学起plus工厂电气控制技术作业答案

工厂电气控制技术

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问题 1: 1. The old machine won’t ________ probably of you don’t oil it regularly.

选项:

• A. affect

• B. effect

• C. function

• D. practice

答案: function

问题 2: 2. There is still a (an) post available. You can apply for it.

选项:

• A. empty

• B. bare

• C. vacant

• D. open

答案: vacant

问题 3: 3. Many a bright idea has been hit on ________.

选项:

• A. by heart

• B. by means

• C. by hand

• D. by accident

答案: by accident

问题 4: 4. He ___________ his arms in front of him as if he were praying to God.

选项:

• A. intended

• B. extended

• C. included

• D. excluded

答案: extended

问题 5: 5. I'm afraid ________ nothing I can do about it.

选项:

• A. there is

• B. it is

• C. this is

• D. that is

答案: there is

问题 6: 6. After he ________ some coffee, he sat down to ________ some reading.

选项:

• A. did; do

• B. did; make

• C. made; make

• D. made; do

答案: made; do

问题 7: 7. I’m taking the car in to have it （ ） this afternoon.

选项:

• A. service

• B. be serviced

• C. serviced

• D. to be serviced

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问题 8: 8. Not until the game had begun（ ） at the sports ground.

选项:

• A. had he arrived

• B. would he have arrived

• C. did he arrive

• D. should he have arrived

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问题 9: 9. You will have to ________ for a visa before you can come to China

选项:

• A. work

• B. application

• C. apply

• D. see

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问题 10: 10. He thought the painting was of little________， so let me have it for only ten pounds.

选项:

• A. cost

• B. value

• C. price

• D. expenses

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问题 11: 11. We are ________ a survey to find out what our customers think of the local bus service.

选项:

• A. conducting

• B. charging

• C. resisting

• D. adapting

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问题 12: 12. I had great difficulty the suitable food on the menu in that restaurant.

选项:

• A. find

• B. found

• C. to find

• D. finding

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问题 13: 13. I think I was at school, （ ） I was staying with a friend during the vacation when I heard the news.

选项:

• A. or else

• B. and then

• C. or so

• D. even so

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问题 14: 14. In ancient times, people rarely travelled long distances and most farmers only travelled _____ the local market.

选项:

• A. longer than

• B. more than

• C. as much as

• D. as far as

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问题 15: 15. It is not the right way you （ ） speak with your parents.

选项:

• A. are going to

• B. must

• C. are supposed to

• D. can

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问题 16: 16. Wind power is an ancient source of energy _____ we may return in the near future.

选项:

• A. on which

• B. by which

• C. to which

• D. from which

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问题 17: 17. With the improvement of living conditions, life___ has b 青书学堂免费题库分享 een extended.

选项:

• A. rank

• B. scope

• C. span

• D. scale

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问题 18: 18. It was in the primary school___ my teacher introduced me to computers.

选项:

• A. where

• B. that

• C. which

• D. when

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问题 19: 19. Customers are allowed to _______ the new product before they decide to make the purchase.

选项:

• A. select

• B. sample

• C. test

• D. taste

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问题 20: 20. Having been found guilty, the man was given a severe ________ by the judge.

选项:

• A. service

• B. sentence

• C. crime

• D. crisis

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问题 21: 21. Have you ever imagi 智能题库 ned a world famous person like Einstein?

选项:

• A. become

• B. to become

• C. becoming

• D. became

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问题 22: 22. Only when I left my parents for Beijing ______ how much I loved them.

选项:

• A. I realized

• B. I had realized

• C. did I realize

• D. had I realized

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问题 23: 23. After a long discussion, the experts finally ___________ suggestions for keeping the balance of nature in this area.

选项:

• A. came about

• B. came up with

• C. came up against

• D. came out

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问题 24: 24. She ______ to the office than she got down to writing the report.

选项:

• A. has no sooner got

• B. had hardly got

• C. no sooner got

• D. had no sooner got

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问题 25: 25. Many new ________ will be opened up in the future for those with a university education.

选项:

• A. opportunities

• B. necessities

• C. realities

• D. probabilities

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问题 26: 26. Can you help me with my homework? I’m （ ）.

选项:

• A. stick

• B. struck

• C. stricken

• D. stuck

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问题 27: 27. ________ a good beginning is made, the work is half done.

选项:

• A. As soon as

• B. While

• C. As

• D. Once

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问题 28: 28. My watch needs ____, but I have no time to go to town to have it ____.

选项:

• A. to repair; repaired

• B. to be repai 考试题库自动生成器 red; repairing

• C. repairing; repaired

• D. being repaired; repaired

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问题 29: 29. You can’t afford to let the situation get worse. You must take ________ to put it right.

选项:

• A. decisions

• B. directions

• C. sides

• D. steps

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问题 30: 30. Eating an apple a day is considered ________.

选项:

• A. healthy

• B. healthful

• C. healthily

• D. health

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问题 31: 31. In the 2nd year of your economy course, you will study the basic _____ of business management.

选项:

• A. classics

• B. principles

• C. majors

• D. solutions

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问题 32: 32. I will bring my tennis thing 渝粤教育灵活就业考试题库 s along in case we ______ time for a game tomorrow.

选项:

• A. shall have

• B. will have

• C. have

• D. are going to have

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问题 33: 33. To much ____ to sunlight can cause skin burns，cancer or other damage to the body．

选项:

• A. exposure

• B. exhibition

• C. disclosure

• D. contact

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问题 34: 34. ____ is no use in saying anything.

选项:

• A. It

• B. This

• C. That

• D. There

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问题 35: 35. John Smith, being a diligent student, never refuses to the responsibilities that are assigned to him.

选项:

• A. take in

• B. take on

• C. take down

• D. take off

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问题 36: 36. You have no right to sit in （ ） on her ---- you’d probably have done exactly the same thing. if you’d been in her position.

选项:

• A. judgment

• B. defense

• C. prejudic

• D. reflection

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问题 37: 37. In order to show his boss what a careful worker he was, he took （ ） trouble over the figures.

选项:

• A. extensive

• B. spare

• C. extra

• D. supreme

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问题 38: 38. She is very _________ to ring me tonight. I can sense that.

选项:

• A. liable

• B. possible

• C. likely

• D. likeable

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问题 39: 39. In the ______ war between America and Iraq many people were ______ hurt.

选项:

• A. terrible , terribly

• B. terrible, terrible

• C. terribly, terribly

• D. terribly, terrible

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问题 40: 40. — Do you feel like ____ out or would you rather have dinner at home?
— I’d like to go out. I always enjoy ____ dinner in a restaurant.

选项:

• A. dining; to have

• B. to dine; to have

• C. dining; having

• D. to dine; having

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问题 41: 41. No sooner had he gone to bed than he fell ________.

选项:

• A. slept

• B. sleepy

• C. asleep

• D. sleeping

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问题 42: 42. When changing lanes, a driver should use his turning signal to let other drivers know

选项:

• A. he is entering which lane

• B. which lane he is entering

• C. is he entering which lane

• D. which lane is he entering

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问题 43: 43. I don’t mind ________ the decision as long as it is not too late.

选项:

• A. you to delay making

• B. your delaying making

• C. your delaying to make

• D. you delay to make

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问题 44: 44. You will see this product （ ） wherever you go.

选项:

• A. to be advertised

• B. advertised

• C. advertise

• D. advertising

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问题 45: 45. Due to environmental damage, many types of animals have now _______ from the earth.

选项:

• A. encountered

• B. vanished

• C. reflected

• D. survived

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问题 46: 46. Send my regards to your lovely wife when you _______ home.

选项:

• A. wrote

• B. will write

• C. have written

• D. write

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问题 47: 47. Purchasing the new production line will be a ________ deal for the company.

选项:

• A. profitable

• B. tremendous

• C. forceful

• D. favorite

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问题 48: 48. I don’t think we’ve met before. You are confusing me with __________.

选项:

• A. some other

• B. someone else

• C. other person

• D. one other

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问题 49: 49. In the experiment we kept a watchful eye _____ the developments and recorded every detail.

选项:

• A. in

• B. at

• C. for

• D. on

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问题 50: 50. ____ some students, the teacher entered the hall.

选项:

• A. Following

• B. Followed

• C. Being followed

• D. Having followed

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问题 51: 51. ________ is known to the world, Mark Twain is great American writer.

选项:

• A. That

• B. Which

• C. As

• D. It

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问题 52: 52. Their inability to say “no” and strong sense of duty towards others make it ______ impossible for them to avoid unreasonable demands.

选项:

• A. laterally

• B. locally

• C. practically

• D. collectively

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问题 53: 53. This is the only way we can imagine the overuse of water in students' bathrooms.

选项:

• A. reducing

• B. to reduce

• C. reduced

• D. reduce

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问题 54: 54. I made an ________ mistake in my speech.

选项:

• A. embarrassment

• B. embarrassed

• C. embarrass

• D. embarrassing

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问题 55: 55. Jack is quite different from his brother, they have nothing in ______.

选项:

• A. ordinary

• B. usual

• C. common

• D. similar

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问题 56: 56. Many difficulties have ________ as a result of the change-over to a new type of fuel.

选项:

• A. risen

• B. arisen

• C. raised

• D. arrived

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问题 57: 57. In the advanced course students must take performance tests at monthly ________.

选项:

• A. gaps

• B. intervals

• C. length

• D. distance

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问题 58: 58. ________ all these facts, we cannot ignore the advantages of learning through the Internet.

选项:

• A. Whether

• B. Regardless

• C. Hence

• D. Despite

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问题 59: 59. - Sorry, Professor Smith. I didn't finish the assignment yesterday.
- Oh, you have done it as yesterday was the deadline.

选项:

• A. must

• B. mustn't

• C. should

• D. shouldn't

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问题 60: 60. The hills in my hometown which used to be covered with green trees are now mostly ______.

选项:

• A. empty

• B. blank

• C. vacant

• D. bare

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问题 61: 61. We were ___ to hear that the writer was still writing a book in h 云上河开马克思主义原理题库 is eighties.

选项:

• A. amazing

• B. amazement

• C. amazed

• D. amaze

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问题 62: 62. The place _______interested me most was the Children's Palace.

选项:

• A. Which

• B. where

• C. what

• D. in which

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问题 63: 63. The ________ boy always comes between 12 o’clock and 4 p.m.

选项:

• A. delivered

• B. deliver

• C. delivery

• D. bought

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问题 64: 64. The suggestion that the mayor （ ） the prizes was accepted by everyone.

选项:

• A. would present

• B. present

• C. presents

• D. ought to present

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问题 65: 65. Our company decided to 试卷库 ________ the contract because a number of the conditions in it had not been met.

选项:

• A. destroy

• B. resist

• C. assume

• D. cancel

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问题 66: 66. It is said that the math teacher seems （ ） towards bright students.

选项:

• A. partial

• B. beneficial

• C. preferable

• D. liable

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问题 67: 67. He was so absorbed___ a book that he did not hear the phone ring.

选项:

• A. at

• B. in

• C. into

• D. with

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问题 68: 68. Young people are not ________ to stand and look at works of art; they want art they can participate in.

选项:

• A. conservative

• B. content

• C. confident

• D. generous

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问题 69: 69. Word came ________ they had succeeded in crossing the desert.

选项:

• A. that

• B. which

• C. what

• D. as

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问题 70: 70. Belief in the （ ） of higher education is shared by students nationwide, so there are more and more students preparing for the entrance examinations for colleges.

选项:

• A. utility

• B. profit

• C. action

• D. disadvantage

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问题 71: 71. The teacher blew his whistle and the students ________ in all directions.

选项:

• A. scattered

• B. relieved

• C. clutched

• D. revealed

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问题 72: 72. From what has been discussed, we may draw the ______ that its advantages are far greater than its disadvantages.

选项:

• A. answer

• B. attention

• C. solution

• D. conclusion

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问题 73: 73. Don’t worry, I have already （ ） them （ ） the decision.

选项:

• A. informed….. with

• B. informed……of

• C. informed …..for

• D. informed …..that

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问题 74: 74. There are 80 students whose ages ____ from 20 to 40.

选项:

• A. range

• B. change

• C. increase

• D. rise

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问题 75: 75. The old lady didn’t _______ to her daughter that she had got lung cancer.

选项:

• A. retire

• B. relieve

• C. retreat

• D. reveal

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问题 76: 76. The palace caught fire three t 安徽继续教育试题2025 imes in the last century, and little of the original building ____now.

选项:

• A. remains

• B. is remained

• C. is remaining

• D. has been remained

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问题 77: 77. During the lecture, the speaker occasionally ________ his point by relating his own experiences.

选项:

• A. illustrated

• B. hinted

• C. cited

• D. displayed

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问题 78: 78. Sound was used _____ the ocean.

选项:

• A. to measure

• B. to measuring

• C. by measuring

• D. to be measured

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问题 79: 79. Beer is the most popular drink among male drinkers, （ ） overall consumption is　　significantly higher than that of women.

选项:

• A. whose

• B. which

• C. that

• D. what

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问题 80: 80. These books, which you can get at any bookshop, will give you （ ） you need.

选项:

• A. all the information

• B. all the informations

• C. all of information

• D. all of the informations

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问题 81: 81. Sean has formed the habit of jogging the tree-lined avenue for two hours every day.

选项:

• A. between

• B. along

• C. below

• D. with

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问题 82: 82. — Let’s discuss the question raised last night, shall we?
— There is no hurry for that. I ____ for a conference.

选项:

• A. headed

• B. was heading

• C. am heading

• D. have headed

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问题 83: 83. A performance by freshmen tonigh AI教学 t.It might be very wonderful, I suppose.

选项:

• A. is to be put on

• B. is to put on

• C. was to be put on

• D. is to be putted on

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问题 84: 84. Many boys enjoy _____ football, basketball or baseball.

选项:

• A. play

• B. to play

• C. played

• D. playing

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问题 85: 85. Although it has been more than ten years since they graduated they are still in ____ with each other.

选项:

• A. constant

• B. contact

• C. contrast

• D. contract

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问题 86: 86. He says what he thinks, ________ other people’s feelings.

选项:

• A. despite of

• B. in view of

• C. in charge of

• D. regardless of

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问题 87: 87. This new model of car is so expensive that it is ______ the reach of those with average income.

选项:

• A. over

• B. within

• C. beyond

• D. below

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问题 88: 88. I believe Peter will achieve his ambition to study in Peking University, _______?

选项:

• A. won’t he

• B. don’t I

• C. will he

• D. won’t it

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问题 89: 89. With oil prices keeping _________, people are hesitating whether to buy a car or not.

选项:

• A. rising

• B. arising

• C. raising

• D. arousing

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问题 90: 90. Peter, who had been driving all day, suggested （ ） at the next town.

选项:

• A. to stop

• B. stopping

• C. stop

• D. having stopped

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问题 91: 91. She firmly believes that there is _____ difficulty she_____ overcome if she tries her best.

选项:

• A. no…can

• B. no…can’t

• C. not…can

• D. not…can’t

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问题 92: 92. The boy is eager to ______ knowledge in different fields.

选项:

• A. absorb

• B. accomplish

• C. arrange

• D. approach

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问题 93: 93. The children are ___________ computer games.

选项:

• A. addicted to

• B. attempted to

• C. adopted to

• D. associated to

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问题 94: 94. I was not ______ by his many arguments, so finally we agreed to differ.

选项:

• A. convicted

• B. confirmed

• C. concerned

• D. convinced

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问题 95: 95. I’m taking the car in to have it ________ this afternoon..

选项:

• A. service

• B. be serviced

• C. serviced

• D. to be serviced

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问题 96: 96. So loudly _____that the audience in the back heard him clearly.

选项:

• A. does he speak

• B. did he speak

• C. he speaks

• D. he spoke

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问题 97: 97. Mr. Brown caught several fish and then ____, which he thought was a good way to spend time.

选项:

• A. set it away

• B. set it free

• C. put them away

• D. set them free

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问题 98: 98. Peo 安徽继续教育试题 ple usually （ ） Japan with such high tech consumer products as DVDs, mobile phones and digital cameras.

选项:

• A. combine

• B. consume

• C. link

• D. associate

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问题 99: 99. The boy is eager to ________knowledge in different fields.

选项:

• A. absorb

• B. accomplish

• C. arrange

• D. approach

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问题 100: 100. I believe ______ no use reading without full understanding.

选项:

• A. that

• B. this

• C. it

• D. you

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问题 101: 101. She would not feel nervous about having to teach that class. By October she（ ） teaching for fifteen years.

选项:

• A. has been

• B. is going to be

• C. is to be

• D. will have been

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问题 102: 102. Many advertisements ______ the usefulness of the products.

选项:

• A. spark

• B. intrigue

• C. exaggerate

• D. exaggeration

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问题 103: 103. ________is the most important in study is diligence rather than intelligence.

选项:

• A. What

• B. Which

• C. Who

• D. When

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问题 104: 104. If you get up ________, you will miss the plane.

选项:

• A. lately

• B. late

• C. latter

• D. later

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问题 105: 105. ______ his great achievements in chemistry, he was considered as one of the most outstanding scientists of the century.

选项:

• A. In terms of

• B. On behalf of

• C. On the basis of

• D. in the form of

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问题 106: 106. Sam’s expression was so________ that Mary couldn’t help wondering what secrets he was keeping.

选项:

• A. astonished

• B. emotional

• C. mysterious

• D. embarrassed

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问题 107: 107. There’s little chance that mankind would ________ a nuclear war.

选项:

• A. retain

• B. endure

• C. maintain

• D. survive

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问题 108: 108. It is a(n) （ ） to ask you to consider to maintain the sort of progress that we have been making in past years.

选项:

• A. temptation

• B. attention

• C. attempt

• D. attachment

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问题 109: 109. 学习通试题 With the development of science and technology, people’s life in the past few years.

选项:

• A. improved

• B. has improved

• C. is improving

• D. had improved

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问题 110: 110. This article ________ more attention to the problem of cultural interference in foreign language teaching and learning.

选项:

• A. calls for

• B. applies for

• C. cares for

• D. allows for

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问题 111: 111. In addition, teaching staff is willing_____ extra help if a student needs.

选项:

• A. to providing

• B. to provide

• C. provided

• D. provided

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问题 112: 112. By law, when one makes a large purchase, he should have （ ） opportunity to change his mind.

选项:

• A. accurate

• B. urgent

• C. excessive

• D. adequate

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问题 113: 113. Her father can afford a splendid wedding, as he is loaded _____ money.

选项:

• A. with

• B. under

• C. in

• D. at

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问题 114: 114. Andrew has a very （ ） way of dealing with junk mail ---- he returns it to sender.

选项:

• A. sensitive

• B. sentimental

• C. senseless

• D. sensible

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问题 115: 115. Eye contact is important because wrong contact may create a communication ________.

选项:

• A. tragedy

• B. vacuum

• C. question

• D. barrier

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问题 116: 116. The French pianist who had been praised very highly ________ t 学起Plus试卷库最新版 o be a great disappointment.

选项:

• A. turned up

• B. turned in

• C. turned out

• D. turned down

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问题 117: 117. I have always _______ not having studied harder at school.

选项:

• A. regretting

• B. regret

• C. regretted

• D. be regretted

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问题 118: 118. _________ is well-known, the environment in China is badly in need of improvement.

选项:

• A. It

• B. That

• C. As

• D. What

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问题 119: 119. We are eager to see concrete measures against smog _______ in the near future.

选项:

• A. taken

• B. being taken

• C. to take

• D. take

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问题 120: 120. Please________ sure that the house is locked before you leave.

选项:

• A. make

• B. take

• C. do

• D. let

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问题 121: 121. the city centre, we saw a stone statue of about 10 metres in height.

选项:

• A. Approaching

• B. Approached

• C. To approach

• D. To be approached

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问题 122: 122. Every few years, the coal workers _______ their lungs X-rayed to ensure their health.

选项:

• A. are having

• B. have

• C. have had

• D. had had

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问题 123: 123. We didn’t know his phone number, otherwise we _________ him.

选项:

• A. would phone

• B. would have phoned

• C. had phoned

• D. must have phoned

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问题 124: 124. They have asked us to _________ in the negotiations.

选项:

• A. involve

• B. be mixed

• C. participate

• D. take place

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问题 125: 125. Although it has been more than ten years since they graduated they are still in _________ with each other.

选项:

• A. constant

• B. contact

• C. contrast

• D. contract

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问题 126: 126. _____ my opinion, the movie lacks content.

选项:

• A. In

• B. On

• C. Upon

• D. To

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问题 127: 127. — Do you have any problems if you ______ this job?
— Well, I’m thinking about the salary….

选项:

• A. offer

• B. will offer

• C. are offered

• D. will be offered

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问题 128: 128. These days, instead of turning paper pages, many readers reach （ ） handheld devices.

选项:

• A. out

• B. for

• C. in

• D. over

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问题 129: 129. As we can no longer wait for the delivery of our order, we have to （ ）it.

选项:

• A. postpone

• B. refuse

• C. delay

• D. cancel

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问题 130: 130. The thief tried to open the locked door but ________.

选项:

• A. in no way

• B. in vain

• C. without effect

• D. at a loss

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问题 131: 131. Great changes ________ in the past forty years without the correct leadership of the Party.

选项:

• A. couldn’t have taken place

• B. can’t take place

• C. mustn’t have taken place

• D. shouldn’t take place

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问题 132: 132. We moved to the front row we could hear and see better.

选项:

• A. so as

• B. so that

• C. because

• D. such that

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问题 133: 133. It was a great ________ for her to be pleasant to people she didn’t like.

选项:

• A. attempt

• B. trouble

• C. effort

• D. practice

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问题 134: 134. Human beings are superior to animals（ ） they can use language as a tool to communicate.

选项:

• A. in which

• B. for which

• C. in that

• D. for that

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问题 135: 135. The box was so heavy that it was difficult for the old lady to ________ it.

选项:

• A. lift

• B. reach

• C. rise

• D. touch

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问题 136: 136. — Why did you go to the wrong class, Mr. Lice?
— Well, I forgot ____ I was supposed to go to.

选项:

• A. which the room

• B. which room

• C. what was the room

• D. what room was it

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问题 137: 137. It seems that there is ________ that I can’t do.

选项:

• A. nothing

• B. anything

• C. everything

• D. none

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问题 138: 138. Her fluency in English gives her an advantage ________ other girls for the job.

选项:

• A. above

• B. over

• C. than

• D. with

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问题 139: 139. As time went by, the plan stuck __________ fairly practical.

选项:

• A. to proved

• B. to proving

• C. proved

• D. to be proved

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问题 140: 140. Lucy has a great sense of humour and always keeps her colleagues with her stories.

选项:

• A. amused

• B. amusing

• C. to amuse

• D. to be amused

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问题 141: 141. The computers on the table ___ Professor Smith.

选项:

• A. belongs

• B. are belonged to

• C. belongs to

• D. belong to

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问题 142: 142. You can hang up what you like on these ________ walls.

选项:

• A. bare

• B. empty

• C. blank

• D. vacant

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问题 143: 143. “Marquis,” said the boy,（ ） to the man, his eyes （ ） wide, and his right hand raised.

选项:

• A. turned…opened

• B. turning…opening

• C. turning…opened

• D. turned…opening

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问题 144: 144. These surveys indicate that many crimes go （ ） by the police, mainly because not all victims report them.

选项:

• A. unrecorded

• B. to be unrecorded

• C. unrecording

• D. to have been unrecorded

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问题 145: 145. They are not very good, but we like_______.

选项:

• A. anyway to play basketball with them

• B. to play basketball with them anyway

• C. to play with them basketball anyway

• D. with them to play basketball anyway

答案: 请关注公众号【博学搜题】查看答案

问题 146: 146. Before he left for his vacation he went to the bank to ________ some money.

选项:

• A. pull

• B. pick

• C. gain

• D. draw

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问题 147: 147. The clothes a person wears may express his （ ） or social position.

选项:

• A. curiosity

• B. status

• C. determination

• D. significance

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问题 148: 148. My friend Mary is becoming ________ in Chinese food.

选项:

• A. more and less interested

• B. more and more interested

• C. more and less interesting D. more and more interesting

答案: 请关注公众号【博学搜题】查看答案

问题 149: 149. Try this new method, ________.

选项:

• A. you will feel very relaxed

• B. you feel very relaxed

• C. and you feel very relaxed

• D. and you will feel very relaxed

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问题 150: 150. I'd rather ____ those confidential documents with you.

选项:

• A. that you didn't take

• B. your not taking

• C. that you will not take

• D. you do not take

答案: 请关注公众号【博学搜题】查看答案

问题 151: 151. ____ to be most difficult, Drill A is taken away from the lesson.

选项:

• A. Being considered

• B. Considering

• C. To consider

• D. Considered

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问题 152: 152. That novel is said into over 12 languages by the end of last year.

选项:

• A. to be translated

• B. being translated

• C. having been translated

• D. to have been translated

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问题 153: 153. you may have, you should gather your courage to face the challenge.

选项:

• A. However a serious problem

• B. What a serious problem

• C. However serious a problem

• D. What serious a problem

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问题 154: 154. I’d like to live somewhere __________ the sun shines all year long.

选项:

• A. which

• B. that

• C. where

• D. in which

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问题 155: 155. Success consists of going from failure to failure without loss of ________.

选项:

• A. preference

• B. personality

• C. enthusiasm

• D. excitement

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问题 156: 156. If you want to know the price of the apples, just ask the lady at the ________ over there.

选项:

• A. shopping

• B. article

• C. buyers

• D. counter

答案: 请关注公众号【博学搜题】查看答案

问题 157: 157. Helen visits her parents once a month. ________ she just gives them some phone calls.

选项:

• A. At a time

• B. On time

• C. At other times

• D. In time

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问题 158: 158. She was glad to see her child well _________ care of.

选项:

• A. take

• B. to be taken

• C. taken

• D. taking

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问题 159: 159. I won’t accept their offer, ____ favorable the conditions.

选项:

• A. how

• B. however

• C. no matter

• D. no matter however

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问题 160: 160. It’s an honor for me ________ to speak here.

选项:

• A. to ask

• B. asking

• C. to be asked

• D. to be asking

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问题 161: 161. We regret to inform you that the materials you ordered are ________.

选项:

• A. out of work

• B. out of stock

• C. out of reach

• D. out of practice

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问题 162: 162. What________ you from joining us last night?

选项:

• A. prevented

• B. encouraged

• C. urged

• D. forbade

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问题 163: 163. We moved to the front row __________ we could hear and see better.

选项:

• A. so as

• B. so that

• C. because

• D. such that

答案: 请关注公众号【博学搜题】查看答案

问题 164: 164. Here is my card. Let’s keep in ________.

选项:

• A. touch

• B. relation

• C. connection

• D. friendship

答案: 请关注公众号【博学搜题】查看答案

问题 165: 165. Motor vehicles are prohibited _______ driving in the town center.

选项:

• A. in

• B. out of

• C. from

• D. with

答案: 请关注公众号【博学搜题】查看答案

问题 166: 166. Remember, nothing hurts concentration ___ _ reading too slowly.

选项:

• A. rather than

• B. as well as

• C. more than

• D. instead of

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问题 167: 167. The proposals are expected to ______ heated debate.

选项:

• A. devalue

• B. amend

• C. enroll

• D. spark

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问题 168: 168. In addition, teaching staff is willing______ extra help if a s 灵活就业公需课考试答案 tudent needs.

选项:

• A. to providing

• B. to provide

• C. provided

• D. provided

答案: 请关注公众号【博学搜题】查看答案

问题 169: 169. It is wrong to judge people according to their family ______.

选项:

• A. basis

• B. background

• C. balcony

• D. balance

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问题 170: 170. The team didn’t expect to win;_________, they were disappointed at their heavy defeat.

选项:

• A. moreover

• B. therefore

• C. nevertheless

• D. so that

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问题 171: 171. It was an exciting game ___ no goals were scored.

选项:

• A. if

• B. but

• C. unless

• D. even though

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问题 172: 172. Tom is a 学习平台试卷 lcohol and considers drinking as a vital part of his life.

选项:

• A. short of

• B. aware of

• C. addicted to

• D. faced with

答案: 请关注公众号【博学搜题】查看答案

问题 173: 173. Galileo collected facts that proved the earth _____ around the sun.

选项:

• A. moved

• B. moves

• C. has moved

• D. had moved

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问题 174: 174. In winter, animals have a hard time ___ anything to eat.

选项:

• A. to find

• B. to finding

• C. finding

• D. to find out

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问题 175: 175. Jean often __________ stories to amuse her little brother.

选项:

• A. makes up

• B. makes out

• C. send out

• D. puts up

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问题 176: 176. It was in the United States that I made the __________ of Professor Jones.

选项:

• A. association

• B. recognition

• C. contact

• D. acquaintance

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问题 177: 177. The father as well as children _____ walking every Sunday afternoon in winter.

选项:

• A. is going

• B. go

• C. goes

• D. are going

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问题 178: 178. Man must stop __________ the earth’s atmosphere.

选项:

• A. filling

• B. emitting

• C. polluting

• D. wasting

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问题 179: 179. Whenever you have an aim you must ________ something of freedom to attain it.

选项:

• A. sacrifice

• B. donate

• C. indicate

• D. sponsor

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问题 180: 180. He ought to have handed in the paper yesterday. That is what he _________.

选项:

• A. should do

• B. should be doing

• C. should have done

• D. should

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问题 181: 181. ________ in 1636, Harvard is one of the most famous universities in the United States.

选项:

• A. Founding

• B. Founded

• C. Being founded

• D. It was founded

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问题 182: 182. On her feet she wore linen stockings and prison shoes, and round her head was tied a white handkerchief, （ ） a few locks of black hair were brushed.

选项:

• A. from which

• B. from under which

• C. out of which

• D. under which

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问题 183: 183. You’ll have to wo 云上河开答案 rk harder to ___________ up with the top students in your class.

选项:

• A. take

• B. hold

• C. catch

• D. make

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问题 184: 184. Frankfurt, Germany, is in one of the most ________ populated regions of Western Europe.

选项:

• A. densely

• B. vastly

• C. enormously

• D. largely

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问题 185: 185. According to the time-table, the train for Shanghai _____ at 7 o’clock in the evening.

选项:

• A. leaves

• B. has left

• C. was left

• D. will leave

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问题 186: 186. She is ________ a musician than her brother.

选项:

• A. much of

• B. much as

• C. more of

• D. more as

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问题 187: 187. In cyberspace, you can be ________ you want to be and create your own virtual world.

选项:

• A. whoever

• B. whenever

• C. where

• D. when

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问题 188: 188. our manager objects to Tom's joining the club, we shall accept him as a member.

选项:

• A. Until

• B. Unless

• C. If

• D. After

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问题 189: 189. The door and the windows were all closed and there was no__________ of forced entry.

选项:

• A. scene

• B. show

• C. sign

• D. sight

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问题 190: 190. I’m really sorry about your camera; it was a (an) __________.

选项:

• A. accommodation

• B. accident

• C. accuracy

• D. advantage

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问题 191: 191. I have no objection （ ） your story again.

选项:

• A. to hear

• B. to hearing

• C. to having heard

• D. to have heard

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问题 192: 192. They discussed the problem three or four times, but could come to no _____________.

选项:

• A. end

• B. conclusion

• C. result

• D. judgment

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问题 193: 193. We’re usually too tired ____ much socializing during the week.

选项:

• A. to do

• B. doing

• C. in doing

• D. to doing

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问题 194: 194. He will come to see you the moment he ______his work.

选项:

• A. will finish

• B. finishes

• C. would finish

• D. had finished

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问题 195: 195. I __________ to go for a walk, but someone called and I could not get away.

选项:

• A. was planning

• B. planned

• C. had planned

• D. would plan

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问题 196: 196. The quality of Lily’s T-shirt is to that of Lucy’s although they are of the same style.

选项:

• A. junior

• B. senior

• C. worse

• D. superior

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问题 197: 197. — Amy, would you mind my closing the window?
—______ . It’s foggy and hazy outside.

选项:

• A. Yes, go ahead

• B. Of course not

• C. Yes, please

• D. Of course

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问题 198: 198. Unfortunately, during its first_____, Tit 渝粤教育灵活就业考试题库 anic hit an iceberg and sank into the Atlantic.

选项:

• A. journey

• B. voyage

• C. tour

• D. travel

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问题 199: 199. Many a professor _____ looking forward to visiting Korea at present.

选项:

• A. is

• B. are

• C. was

• D. were

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问题 200: 200. His parents did everything they could to _____ his needs.

选项:

• A. fill

• B. full

• C. ask

• D. bring

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问题 201: 201. No matter___ happens, we’re determined to do our best.

选项:

• A. which

• B. whichever

• C. what

• D. whatever

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问题 202: 202. I want you to________ each sum of the 学起Plus试卷库最新版 money you spent.

选项:

• A. amount to

• B. account for

• C. aim to

• D. intend to

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问题 203: 203. Young people are not （ ） to stand and look at works of art; they want art they can participate in.

选项:

• A. conservative

• B. content

• C. confident

• D. generous

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问题 204: 204. The book is not ________ what we paid.

选项:

• A. worth

• B. worthy

• C. valuable

• D. expensive

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问题 205: 205. He glanced________ the newspaper quickly because he was in a hurry.

选项:

• A. in

• B. at

• C. through

• D. among

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问题 206: 206. We cou AI教学 ldn’t have picked ______ day for the picnic — it rained nonstop.

选项:

• A. a worse

• B. a worst

• C. the worse

• D. the worst

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问题 207: 207. I could hardly ______ the ship in the distance.

选项:

• A. look out

• B. make out

• C. make up

• D. see through

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问题 208: 208. Look at the timetable. Hurry up! Flight 4026 ____ off at 18:20.

选项:

• A. takes

• B. took

• C. will be taken

• D. has taken

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问题 209: 209. Most of us know we should cut down on fat, but knowing such things isn’t much help when it _________ shopping and eating.

选项:

• A. comes to

• B. speaks of

• C. calls to

• D. refers to

答案: 请关注公众号【博学搜题】查看答案

问题 210: 210. The ________ between wealth and poverty is very sharp in this part of the country.

选项:

• A. contrast

• B. shock

• C. comparison

• D. contrary

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问题 211: 211. She was sorry for her not having phoned. But she had been （ ） busy preparing for the next exam.

选项:

• A. unavoidably

• B. inevitably

• C. inextricably

• D. incredibly

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问题 212: 212. Though the long-term ________ cannot be predicted, the project has been approved by the committee.

选项:

• A. afford

• B. effort

• C. affect

• D. effect

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问题 213: 213. Do you remember that our speed is 60 mph on the highway and Big Brother is watching you through 学起plus马原答案2025 his camera in some areas.

选项:

• A. control

• B. condition

• C. permission

• D. limit

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问题 214: 214. He made such a ________ contribution to the university that they are naming one of the new buildings after him.

选项:

• A. genuine

• B. minimum

• C. modest

• D. generous

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问题 215: 215. Once ___, the task seemed quite easy.

选项:

• A. finished

• B. to finish

• C. finishing

• D. be finished

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问题 216: 216. Written in a hurry，__________. How can it be satisfactory？

选项:

• A. They found many mistakes in the report

• B. Sam made lots of mistakes in the report

• C. There are many mistakes in the report

• D. The report is ful 安徽继续教育平台登录入口 l of mistakes

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问题 217: 217. Jim couldn’t ________ Tom’s rude behavior, though they are friends.

选项:

• A. live with

• B. put up with

• C. keep up with

• D. endure with

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问题 218: 218. He couldn’t find his dictionary ________.

选项:

• A. everywhere

• B. somewhere

• C. nowhere

• D. anywhere

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问题 219: 219. Is the city much different from ______ it was ten years ago?

选项:

• A. that

• B. which

• C. what

• D. where

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问题 220: 220. Mobile Phones are proved to with flight instruments and have a negative effect on flight safety.

选项:

• A. interrupt

• B. interfere

• C. trouble

• D. disturb

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问题 221: 221. On each job he avoided _______ people know who he was.

选项:

• A. let

• B. to let

• C. be let

• D. letting

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问题 222: 222. It’s necessary for parents to try to improve their relationship with their children through more ______.

选项:

• A. combination

• B. confrontation

• C. communication

• D. contradiction

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问题 223: 223. Every few years, the coal workers _____ their lungs X-rayed to ensure their health.

选项:

• A. are having

• B. have

• C. have had

• D. had had

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问题 224: 224. Parents should ___ full responsib 云上河开答案 ility for their children’s actions.

选项:

• A. have

• B. put

• C. take

• D. show

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问题 225: 225. Maybe they knew this was their big （ ） , their chance to make history.

选项:

• A. second

• B. moment

• C. times

• D. hour

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问题 226: 226. His parents saw him ______ the winner’s medal.

选项:

• A. toaward

• B. to be awarded

• C. awarded

• D. being awarded

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问题 227: 227. All electrical goods sold in our shop will be ______ for one year.

选项:

• A. guaranteed

• B. protected

• C. ensured

• D. granted

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问题 228: 228. I didn't know t 安徽继续教育平台登录入口 he word. I had to （ ） a dictionary.

选项:

• A. look out

• B. make out

• C. refer to

• D. go over

答案: 请关注公众号【博学搜题】查看答案

问题 229: 229. The question set by the teacher was so difficult ______ the pupils did not know how to tackle it.

选项:

• A. what

• B. that

• C. how

• D. whether

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问题 230: 230. The letter is from my sister, ______is working in Beijing.

选项:

• A. which

• B. that

• C. whom

• D. who

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问题 231: 231. Some people like drinking coffee, for it has _________ effects.

选项:

• A. promoting

• B. stimulating

• C. enhancing

• D. encouraging

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问题 232: 232. ____ broke the window, he should pay for the damage.

选项:

• A. Who

• B. Whom

• C. Whoever

• D. Whomever

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问题 233: 233. My first_____ of him was that he was a kind and thoughtful young man.

选项:

• A. expression

• B. attention

• C. impression

• D. satisfaction

答案: 请关注公众号【博学搜题】查看答案

问题 234: 234. It is generally considered unwise to give a child ______ he or she wants.

选项:

• A. however

• B. whatever

• C. whichever

• D. whenever

答案: 请关注公众号【博学搜题】查看答案

问题 235: 235. They have developed techniques which are ______ to those used in most factories.

选项:

• A. more talented

• B. better

• C. superior

• D. greater

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问题 236: 236. The company is back to the right track. There is ________ that the new method has greatly raised labor productivity.

选项:

• A. not to deny

• B. not to be denied

• C. not denying

• D. no denying

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问题 237: 237. Having been working in this school for over 20 years, Mr. Brown is ______ an inexperienced teacher.

选项:

• A. by no means

• B. by any means

• C. by all means

• D. by every means

答案: 请关注公众号【博学搜题】查看答案

问题 238: 238. he tried to pass the driving test, he still failed the second time.

选项:

• A. As hard

• B. Though hard

• C. Hard as

• D. No matter hard

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问题 239: 239. He is a student of great intelligence and diligence.___ 微信公众号搜题免费平台 ___, he is a top student in the class.

选项:

• A. Undoubtedly

• B. Nevertheless

• C. Fortunately

• D. Furthermore

答案: 请关注公众号【博学搜题】查看答案

问题 240: 240. I’m interested in ______you have said.

选项:

• A. all that

• B. all what

• C. that

• D. which

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问题 241: 241. Though he was born and brought up in America, he can speak ________ Chinese.

选项:

• A. smooth

• B. fluent

• C. fluid

• D. flowing

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问题 242: 242. Once education is made free，many children who have dropped out of school ____ .

选项:

• A. will come back

• B. came back

• C. have come back

• D. had come back

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问题 243: 243. There is an article ___ the future of China’s football.

选项:

• A. regarding

• B. regards

• C. regarded

• D. to regard

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问题 244: 244. If our parents do everything for us children, we won't learn to depend on .

选项:

• A. themselves

• B. them

• C. us

• D. ourselves

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问题 245: 245. ________ is no doubt that overwork and much worry caused his illness.

选项:

• A. Here

• B. It

• C. There

• D. This

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问题 246: 246. Their traveling expenses amount ___________ seven hundred dollars.

选项:

• A. for

• B. with

• C. about

• D. to

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问题 247: 247. If you think you are the only person feeling ________, you are wrong.

选项:

• A. embarrass

• B. embarrassing

• C. embarrassed

• D. to embarrass

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问题 248: 248. One of the valuable outcomes of the campaign was the continued growth and development of the spirit of （ ） between British and American troops in action.

选项:

• A. hostility

• B. membership

• C. comradeship

• D. community

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问题 249: 249. The news you told me the other day wants yet to be ________.

选项:

• A. finned

• B. conformed

• C. confirmed

• D. informed

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问题 250: 250. He was angry at the way his wife _______ in the shop.

选项:

• A. was treated

• B. is treated

• C. treats

• D. could be treated

答案: 请关注公众号【博学搜题】查看答案

问题 251: 251. I was so sleepy that I could hardly keep my eyes ________ yesterday evening.

选项:

• A. opening

• B. open

• C. to be opened

• D. o open

答案: 请关注公众号【博学搜题】查看答案

问题 252: 252. When I was a boy, I _________ chocolate.

选项:

• A. would like not

• B. was used to like

• C. should like

• D. used to like

答案: 请关注公众号【博学搜题】查看答案

问题 253: 253. One reason for her preference for city life is _____ she can have easy access to places like shops and restaurants.

选项:

• A. that

• B. how

• C. what

• D. why

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问题 254: 254. There are two rooms in the hou 考试题库，在线教育 se, _____ serves as the kitchen.

选项:

• A. the smaller one

• B. the smaller of them

• C. their smaller one

• D. the smaller of which

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问题 255: 255. The stronger the motivation, _____ a person will learn a foreign language.

选项:

• A. the more quickly

• B. more quickly

• C. the quicklier

• D. and the more quickly

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问题 256: 256. The size of the window seems out of ________ with the height of the wall.

选项:

• A. fashion

• B. consideration

• C. proportion

• D. production

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问题 257: 257. We had to ________ a lot of noise when the children were at home.

选项:

• A. go in for

• B. hold on to

• C. put up with

• D. keep pace with

答案: 请关注公众号【博学搜题】查看答案

问题 258: 258. It is our ________ policy that we will achieve unity through peaceful means.

选项:

• A. consistent

• B. continuous

• C. considerate

• D. continual

答案: 请关注公众号【博学搜题】查看答案

问题 259: 259. The church tower which will be open to tourists soon. The work is almost finished.

选项:

• A. has restored

• B. has been restored

• C. is restoring

• D. is being restored

答案: 请关注公众号【博学搜题】查看答案

问题 260: 260. —What do you want to do next? We have half an hour until the basketball game．
— _______.Whatever you want to do is fine with me．

选项:

• A. It just depends

• B. It's up to you

• C. Glad to hear that

• D. All right

答案: 请关注公众号【博学搜题】查看答案

问题 261: 261. We hadn’t met for 20 years, but I recognized her ________ I saw her.

选项:

• A. for the moment

• B. the moment when

• C. at the moment when

• D. the moment

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问题 262: 262. Most broadcasters maintain that TV has been unfairly criticized and argue that the power of the medium is （ ）.

选项:

• A. granted

• B. implied

• C. exaggerated

• D. remedied

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问题 263: 263. If the story did（ ） to be true, though, I think he might be pushing his luck.

选项:

• A. turn on

• B. turn out

• C. turn up

• D. turn over

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问题 264: 264. Be careful when you get along with her because she is known for her short ________.

选项:

• A. mood

• B. emotion

• C. feeling

• D. temper

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问题 265: 265. It is well known that the Internet will let people have __________ to huge amounts of information from their own homes.

选项:

• A. appeal

• B. attention

• C. access

• D. approach

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问题 266: 266. —Can I help you, sir?
—Yes, I bought this radio yesterday, but it ____.

选项:

• A. didn’t work

• B. won’t work

• C. can’t work

• D. doesn’t work

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问题 267: 267. He narrowly missed being seriously hurt， if not__________， by the explosion.

选项:

• A. killed

• B. being killed

• C. be killed

• D. to be killed

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问题 268: 268. The early pioneers 尔雅题库 had to （ ） many hardships to settle on the new land.

选项:

• A. go along with

• B. go back on

• C. go through

• D. go into

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问题 269: 269. Nuclear science be developed to benefit the people ________ harm them.

选项:

• A. more than

• B. other than

• C. rather than

• D. better than

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问题 270: 270. I’m sorry to ________ you, but can you direct me to the railway station?

选项:

• A. worry

• B. bother

• C. upset

• D. hurry

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问题 271: 271. In Australia, surfing is a popular sport among young people they can seek excitement and adventure.

选项:

• A. that

• B. which

• C. where

• D. how

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问题 272: 272. Katherine sticks to her belief _________it pays to be kind.

选项:

• A. which

• B. that

• C. what

• D. whom

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问题 273: 273. The film ________, she left her seat so quietly that no one complained that her leaving disturbed their watching the film．

选项:

• A. began

• B. beginning

• C. having begun

• D. begun

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问题 274: 274. It took us quite a long time to get to the amusement park. It was journey.

选项:

• A. three hour

• B. a three-hours

• C. a three-hour

• D. three hours

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问题 275: 275. We should ________ that he is innocent before finding out the evidence against him.

选项:

• A. stress

• B. propose

• C. relate

• D. assume

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问题 276: 276. The number of people____ fifty, but a number of them ____ absent.

选项:

• A. were; was

• B. was; was

• C. was; were

• D. were; were

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问题 277: 277. The shy girl felt ________ and uncomfortable when she could not answer her teacher’s questions.

选项:

• A. amazed

• B. awkward

• C. curious

• D. amused

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问题 278: 278. I can never forget the day _______ we worked together and the day ______ we spent together.

选项:

• A. when; which

• B. which; when

• C. what; that

• D. on which; when

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问题 279: 279. Peopl 学起Plus期末试题及答案 e who seldom do sports or ________ diet is high in fat will put on weight quickly.

选项:

• A. who

• B. whose

• C. Which

• D. what

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问题 280: 280. At first I was worried about the employment prospect. Four years of study later, I've realized I ______.

选项:

• A. didn't need to worry

• B. mustn't have worried

• C. needn't have worried

• D. couldn't have worried

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问题 281: 281. It would be impossible to ______ her beauty in a painting.

选项:

• A. spot

• B. capture

• C. consider

• D. choose

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问题 282: 282. The writer ________ the question of environmental pollution in his article.

选项:

• A. kept from

• B. kept to

• C. kept up

• D. kept in

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问题 283: 283. Petrol is refined from the ________ oil we take out of the ground.

选项:

• A. fresh

• B. original

• C. rude

• D. crude

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问题 284: 284. The child was sorry （ ）_ his mother when his mother when he arrived at the station.

选项:

• A. to miss

• B. having missed

• C. missing

• D. to have missed

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问题 285: 285. It is her job to（ ） any urgent messages to her boss whenever he is on a business trip.

选项:

• A. transform

• B. relay

• C. accept

• D. encounter

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问题 286: 286. He is regarded as one of the most _______ film directors of his generation.

选项:

• A. honest

• B. weak

• C. influential

• D. disappointed

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问题 287: 287. The harder the shrub is to grow, ______.

选项:

• A. the higher price it is

• B. the higher price it would have

• C. the higher price is

• D. the higher the price is

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问题 288: 288. There are signs （ ） restaurants are becoming more popular with families.

选项:

• A. that

• B. which

• C. in which

• D. whose

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问题 289: 289. The professor could hardly find sufficient grounds （ ） his arguments in favor of the new theory.

选项:

• A. to be based on

• B. to base on

• C. which to base on

• D. on which to base

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问题 290: 290. He sat in the hall, ______ to the speaker attentively.

选项:

• A. listen

• B. hear

• C. listening

• D. listened

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问题 291: 291. On New Year’s Eve, New York City holds an outdoor ________ which attracts a crowd of a million or more people.

选项:

• A. incident

• B. event

• C. case

• D. affair

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问题 292: 1. PLC一般采用（ ）与现场输入信号相连。

选项:

• A. 光耦合电路

• B. 可控硅电路

• C. 晶体管电路

• D. 继电器

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问题 293: 2. 时间继电器的作用是（ ）

选项:

• A. 短路保护

• B. 过电流保护

• C. 延时通断主电路

• D. 延时通断控制电路

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问题 294: 3. 如需要3路模拟量 云端课堂 输入1路模拟量输出，在S7-200系列PLC中应选用模块（ ）。

选项:

• A. EM235

• B. EM223

• C. EM234

• D. EM222

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问题 295: 4. 在操作电动机“正—反—停”控制电路时，要使电动机由正转变为反转，正确的操作方法是（ ）

选项:

• A. 可直接按下正转启动按钮

• B. 可直接按下反转启动按钮

• C. 必须先按下停止按钮，再按下反转启动按钮

• D. 无法确定

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问题 296: 5. 立即读取单字节物理区数据IN，并传送到OUT所指的字节存储单元，该指令是（ ）

选项:

• A. BIR

• B. MOVE

• C. BIW

• D. BMB

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问题 297: 6. 由于电弧的存在，将导致（ ）

选项:

• A. 电路的分断时间不变

• B. 电路的分断时间加长

• C. 电路的分断时间缩短

• D. 分断能力提高

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问题 298: 7. 段码梯形图指令的操作码是（ ）

选项:

• A. DECO

• B. ENCO

• C. SEG

• D. TRUNC

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问题 299: 8. 在扫描输入阶段，PLC将所有输入端的状态送到（ ）保存

选项:

• A. 输出映像寄存器

• B. 变量寄存器

• C. 内部寄存器

• D. 输入映像寄存器

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问题 300: 9. 分析电气原理图的原则是（ ）

选项:

• A. 先分析交流通路

• B. 先分析直流通路

• C. 先分析主电路，后分析辅助电路

• D. 先分析辅助电路，后分析主电路

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问题 301: 10. PLC的输出方式为继电器类型时，它适用于哪种负载（ ）

选项:

• A. 感性

• B. 直流

• C. 交流

• D. 交直流

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问题 302: 11. 执行下面一段程序对应的时序图为（ ）

选项:

• A.

• B.

• C.

• D.

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问题 303: 12. S7-200 PLC定时器TOF是（ ）定时器。

选项:

• A. 通电延时

• B. 断电延时

• C. 有记忆通电延时

• D. 有记忆断电延时

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问题 304: 13. S7-200系列PLC主机中的指令集包括SIMATIC指令集和（ ）

选项:

• A. S7-P指令集

• B. MCS-51指令集

• C. Z80指令集

• D. IEC 1131-3指令集

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问题 305: 14. PLC的工作方式为（ ）

选项:

• A. 等待工作方式

• B. 中断工作方式

• C. 扫描工作方式

• D. 循环扫描工作方式

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问题 306: 15. 在控制线路中，如果两个常开触点串联，则它们是（ ）关系。

选项:

• A. 或逻辑

• B. 与逻辑

• C. 非逻辑

• D. 与非逻辑

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问题 307: 16. S7-200定时器的分辨率有3个等级，分别是（ ）

选项:

• A. 1ms、10ms和100ms

• B. 0.1ms、1ms和10ms

• C. 0.1s、1s和10s

• D. 1s、10s和100s

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问题 308: 17. AN指令的作用是（ ）

选项:

• A. 用于单个常闭触点与前面的触点串联连接

• B. 用于单个常闭触点与上面的触点并联连接

• C. 用于单个常开触点与前面的触点串联连接

• D. 用于单个常开触点与上面的触点并联连接

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问题 309: 18. 按下复合按钮时（ ）

选项:

• A. 常开触点先闭合

• B. 常闭触点先断开

• C. 常开、常闭触点同时动作

• D. 无法确定

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问题 310: 19. 判断交流或直流接触器的依据是（ ）

选项:

• A. 线圈电流的性质

• B. 主触点电流的性质

• C. 主触点的额定电流

• D. 辅助触点的额定电流

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问题 311: 20. PLC最广泛应用的编程语言是（ ）

选项:

• A. 梯形图

• B. 语句表

• C. 高级语言

• D. 汇编语言

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问题 312: 21. 下列电器既是自动电器又是保护电器的是（ ）

选项:

• A. 按钮

• B. 刀开关

• C. 万能转换开关

• D. 空气开关

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问题 313: 22. 低压电器是指工作在（ ）

选项:

• A. 交流1200V，直流1500V以下的电器

• B. 直流1200V，交流1500V以下的电器

• C. 交流1200V，直流1200V以下的电器

• D. 交流1500V，直流1500V以下的电器

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问题 314: 23. 额定电流是熔断器长期通过的不超过允许温升的（ ）电流

选项:

• A. 最大工作

• B. 最小工作

• C. 工作

• D. 正常

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问题 315: 24. 在PLC运行时，总为ON的特殊存储器位是（ ）

选项:

• A. SM1.0

• B. SM0.1

• C. SM0.0

• D. SM1.1

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问题 316: 25. 在语句表中，用于将串联电路块进行并联连接的指令是（ ）

选项:

• A. ON

• B. LDN

• C. OLD

• D. ALD

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问题 317: 26. PLC的内部编程元件M可用于驱动现场设备。

选项:

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问题 318: 27. 设计PLC梯形图时，在每一逻辑行中，并联触点多的支路应放在左边。

选项:

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问题 319: 28. 系统程序是由PLC生产厂家编写的，固化在RAM中。

选项:

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问题 320: 29. 欠电流继电器在线圈通过额定电流时，铁心与衔铁是释放的。

选项:

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问题 321: 30. S7-200PLC的CPU模块和扩展模块正常工作时，需要DC5V的工作电压。

选项:

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问题 322: 31. 电流继电器一般并联在电路中，分为过电流继电器和欠电流继电器。

选项:

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问题 323: 32. PLC的一个运行周期一般可分为输入采样、执行程序和输出刷新3个阶段。

选项:

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问题 324: 33. 星-三角启动适用于无载或轻载启动场合。

选项:

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问题 325: 3 学起plus马原答案2025 4. 梯形图中，各软元件只有有限个常开触点和常闭触点。

选项:

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问题 326: 35. 热继电器和过电流继电器在起过载保护时可以相互替代。

选项:

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问题 327: 36. 字节取反指令梯形图的操作码为INV-D。

选项:

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问题 328: 37. 常用的电气控制系统图有电气原理图、电器布置图和电气安装接线图。

选项:

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问题 329: 38. 在同一梯形图程序中，可以使用双线圈输出。

选项:

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问题 330: 39. 万能转换开关本身带有各种保护。

选项:

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问题 331: 40. S7-200PLC的程序有主程序、子程序和中断程序三种。

选项:

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问题 332: 41. 交流接触器铁心上的短路环的作用是消除铁心振动。

选项:

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问题 333: 42. PLC的输出线圈可以放在梯形图逻辑行的中间任意位置。

选项:

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问题 334: 43. 用来累计比CPU扫描速率还快的事件的是高速计数器。

选项:

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问题 335: 44. 如果复位指令的操作数是定时器或计数器，会使相应定时器位或计数器位为0，并清除定时器或计数器的当前值。

选项:

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问题 336: 45. 刀开关安装时，手柄要向上或向下，但不得平装。

选项:

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问题 337: 46. 互锁电路是为了保护电动机主电路不出现短路故障。

选项:

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问题 338: 47. 反接制动对机械的冲击力很小。

选项:

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问题 339: 48. 划分大、中、小型PLC的主要分类依据是I/O点的数量。

选项:

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问题 340: 49. 电气原理图中所有电器的触点，都是按照没有通电或没有外力作用时的状态画出。

选项:

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问题 341: 50. 热继电器和熔断器都具有反时限保护特性。

选项:

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问题 342: 51. 顺序控制段转移指令的操作码是（ ）

选项:

• A. SCR

• B. SCRP

• C. SCRE

• D. SCRT

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问题 343: 52. 世界上第一台可编程控制器是（ ）在1969年研制出来的。

选项:

• A. 中国

• B. 日本

• C. 德国

• D. 美国

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问题 344: 53. 电压继电器的线圈与电流继电器的线圈相比，具有的特点是（ ）

选项:

• A. 电压继电器的线圈匝数多、导线细、电阻大

• B. 电压继电器的线圈匝数少、导线粗、电阻小

• C. 电压继电器的线圈匝数多、导线粗、电阻小

• D. 电压继电器的线圈匝数少、导线细、电阻大

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问题 345: 54. 根据PLC结构形式不同，PLC主要可分为（ ）和（ ）两类

选项:

• A. 整体式，模块式

• B. 整体式，单元式

• C. 模块式，单元式

• D. 小型机，大型机

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问题 346: 55. 只能用复位指令进行复位操作的定时器是（ ）

选项:

• A. TON

• B. TOF

• C. TONR

• D. CTD

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问题 347: 56. 甲乙两个接触器，欲实现互锁控制，则应（ ）

选项:

• A. 在甲接触器的线圈电路中串入乙接触器的常闭触点

• B. 在乙接触器的线圈电路中串入甲接触器的常闭触点

• C. 在两接触器的线圈电路中互串入对方的常闭触点

• D. 在两接触器的线圈电路中互串入对方的常开触点

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问题 348: 57. 定时器预设值PT采用的寻址方式是（ ）

选项:

• A. 位寻址

• B. 字寻址

• C. 字节寻址

• D. 双字寻址

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问题 349: 58. 把BCD码转换为整数的梯形图指令的操作码是（ ）

选项:

• A. B-I

• B. I-BCD

• C. BCD-I

• D. I-R

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问题 350: 59. 做为停车的按钮，一般用（ ）颜色

选项:

• A. 红

• B. 绿

• C. 黑

• D. 橙

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问题 351: 60. CPU226型PLC本机 尔雅题库 I/O点数为（ ）

选项:

• A. 14/10

• B. 8/16

• C. 24/16

• D. 14/16

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问题 352: 61. 低压断路器的型号为DZ10-100，其额定电流为10A。

选项:

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问题 353: 62. LDI、AI、ONI等指令中，I表示立即操作功能。

选项:

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问题 354: 63. 自锁控制电路的特点是接触器的常开触点与按钮的常开触点串联。

选项:

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问题 355: 64. 在梯形图中，多个线圈可以串联也可以并联。

选项:

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问题 356: 65. 脱扣机构是接触器组成部分之一。

选项:

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问题 357: 66. PLC一般能为外部传感器提供24V直流电源。

选项:

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问题 358: 67. 间接寻址是通过地址指针来存取存储器中的数据。

选项:

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问题 359: 68. PLC对输入状态变化的响应一般没有滞后。

选项:

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问题 360: 69. 一般速度继电器的动作转速为120r/min，复位转速为100r/min。

选项:

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问题 361: 70. 熔断器是利用电流的热效应和发热元件的热熔断原理来工作的；热继电器是利用电流的热效应和发热元件的热膨胀原理来工作的。

选项:

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问题 362: 71. 可使用位寻址方式来存取信息的软元件不包括（ ）。

选项:

• A. I

• B. Q

• C. AC

• D. SM

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问题 363: 72. CPU224型PLC共有 （ ）个计数器。

选项:

• A. 200

• B. 255

• C. 256

• D. 300

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问题 364: 73. 接触器可以用作（ ）保护

选项:

• A. 短路保护

• B. 过载保护

• C. 欠电压保护

• D. 过电流保护

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问题 365: 74. 在S7-200中，定时器的编址范围是（ ）

选项:

• A. T1~T256

• B. T0~T256

• C. T0~T512

• D. T0~T511

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问题 366: 75. 模拟量输入/输出以（ ）形式指定。

选项:

• A. 位

• B. 字

• C. 字节

• D. 双字

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问题 367: 76. 梯形图中某一输出继电器的线圈通电时，对应的输出映像寄存器为0状态。

选项:

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问题 368: 77. PLC是一种数字运算操作的电子系统。

选项:

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问题 369: 78. 特殊标志位SM0.4可产生占空比为50%，周期为1min的脉冲串。

选项:

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问题 370: 79. 子程序可以嵌套，嵌套深度最多为8层。

选项:

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问题 371: 80. 按照电气元件图形符号和文字符号国家标准，接触器的文字符号用KA表示。

选项:

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问题 372: 81. S7-200中提供了（ ）个累加器

选项:

• A. 1个

• B. 2个

• C. 3个

• D. 4个

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问题 373: 82. 热继电器中，双金属片的弯曲主要是两种金属材料的（ ）不同

选项:

• A. 机械强度

• B. 导电能力

• C. 热膨胀系数

• D. 弹性系数

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问题 374: 83. S7-200 CPU224有3个通信端口。

选项:

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问题 375: 84. 在PLC的寻址方式中，W表示字，一个字占8位。

选项:

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问题 376: 85. 热继电器在使用时，其发热元件应与电动机电子绕组（ ）

选项:

• A. 串联

• B. 并联

• C. 串并联

• D. 无法确定

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问题 377: 86. 下列不属于PLC特点的是（ ）

选项:

• A. 通用性好，适应性强

• B. 可靠性高，抗干扰能力强

• C. 设计、安装、调试和维修工作量大

• D. 编程简单易学

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问题 378: 87. 顺序功能图的五要素为：步、有向连线、转换、转换条件和动作。

选项:

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问题 379: 88. 继电器-接触器控制电路采用串行的工作方式，PLC采用并行的工作方式。

选项:

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问题 380: 89. 接触器的额定电流是指（ ）

选项:

• A. 线圈的额定电流

• B. 主触点的额定电流

• C. 辅助触点的额定电流

• D. 以上三者之和

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