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中国大学MOOC大学英语Ⅳ作业答案

大学英语Ⅳ

学校: 无

问题 1: 1. What is the grain output in 2012 in China?

选项:

• A. exceeded 500 million tons for the first time

• B. exceeded 600 million tons for the first time

• C. exceed 700 millions tons for the first time

• D. exceed 800 millions for the first time

答案: exceeded 600 million tons for the first time

问题 2: 2. What was American scholar Lester Brown’s worry about Chinese food?

选项:

• A. China's demand for food will impact the world market

• B. Chinese food is not of good quality

• C. China can't enough nutritious food to feed its people

• D. China fails to develop high-quality agricultural technology.

答案: China's demand for food will impact the world market

问题 3: 3. What does China propose due to the dependence on world food market?

选项:

• A. Develop the most advanced science and technology

• B. Reduce the birthrate

• C. Hold our bowls firmly in our own hands

• D. Strengthen internatioal cooperation.

答案: Hold our bowls firmly in our own hands

问题 4: 4. How can China feed its growing population with limited arable land and freshwater？

选项:

• A. Develop agricultural technology and carry out extensive international collaboration

• B. Carry forward the spirit of hard work

• C. Promote the revolution of seeds

• D. Reduce the use of chemicals

答案: Develop agricultural technology and carry out extensive international collaboration