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超星学习通23级专门用途英语作业答案

23级专门用途英语

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问题 1: 1. I. Listen to the audio clip and fill in the blanks

New Words:
1. aorta [ei'ɔːtə] (pl. aortas或aortae [ei'ɔːti]主动脉
2. aortic valve [ ei'ɔ:tik ' vælv] n.主动脉瓣
3. artery ['aːtəri]n.动脉
4. atrium ['etriəm] (pl. atria [ 'ɑtrɪə]或atriums)心房
5. chamber ['tʃeɪmbər]n.(植物、动物或器官的)腔，室
6. coronary ['kɔrəneri];冠状动脉的
7. mitral valve[ 'maɪtrəl 'vælv ] n. 僧帽瓣，二尖瓣
8. pulmonary ['pʌlməneri] adj.肺的
9. pulmonic [pʌl'mɒnɪk]adj.肺的
10. pulmonic valve[ pʌl'mɒnɪk 'vælv]n肺动脉瓣
11quart [ kwɔ:t n.夸脱(液量单位，等于1/4加仑)
12. replenish [rɪ'plenɪʃ] vt. 把....再装满，再填满;补充
13. tricuspid valve [traɪ'kʌspɪd ' vælv]n. 三尖瓣
14. valve [vælv]]n.瓣膜
15. vein [ vein]n.静脉
16.vena cava [ ,vinə ;keivə]n. (pl. venae cavae [ ,vini: ' keivi]腔静脉
17. ventricle [ ' ventrikl ]n.心室


During a normal heartbeat, 1.______________returning from the body enters the 2.__________through the vena cava. The right atrium contracts, pushing blood through the 3. __________ and into the right ventricle. Next, the right ven 电大搜题公众号使用教程 tricle contracts to pump blood through the pulmonic valve and into the 4.___________, which connects to the 5. .
At the same time, 6.______________returning from the lungs is delivered to the heart through the pulmonary veins. The pulmonary veins empty into the 7.__________,which contracts to push oxygen-rich blood through the 8.___________ and into the left ventricle. The left ventricle contracts , pushing the blood through the aotric valve and into the 9. , which distributes blood to 10.______ through the body.

选项:

答案: oxygen-poor blood

问题 2: 2. Watch the video in 1.1 or listen to the following audio ,and decide whether the following information is True (T) or False (F).

( ) 1. it is mentioned in the video that the heart is approximately as big as your fist.
( ) 2. The heart pumps about 4 quarts of blood every 30 seconds.
( ) 3. During each heartbeat, blood is circulated to the lungs as well as the body.
( ) 4. Two valves separate the right ventricle from the aorta and the left ventricle from the pulmonary artery.
( ) 5. It is through the coronary arteries that the heart is supplied with blood.

选项:

答案: T