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重庆开放大学理工英语4作业答案

理工英语4

学校: 重庆开放大学

问题 1: 1. In the future, the surgeon may not be present in the operating theater.

选项:

答案: 正确

问题 2: 2. The first medical robots are already being used by the U.S. government in 2000.

选项:

答案: 错误

问题 3: 3. The robots have been able to perform major operations such as gall bladder surgery and heart surgery.

选项:

答案: 错误

问题 4: 4. A robot can crack open a patient's chest precisely.

选项:

答案: 错误

问题 5: 5. Robots can help surgeons when they are tired.

选项:

答案: 正确

问题 6: 1. What's people's usual reaction when they see a person throw a cigarette butt?

选项:

A. It varies.

B. He is to blame.

C. It causes them to smoke.

答案: It varies.

问题 7: 2. Filters can be made into a material that .

选项:

A. is used as the battery surface

B. can be turned into electricity

C. can hold electricity energy well

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问题 8: 3. Super-capacitors made from carbon .

选项:

A. need quite a long time to recharge

B. are comparatively very expensive

C. can easily carry an electrical current

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问题 9: 4. The story tells the readers the truth that .

选项:

A. where there is a will, there is a way

B. the most useless is usually the most useful

C. one person's trash is another person's treasure

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问题 10: 1. The farmers are increasingly unable to use fields close to the sea because of climate change.

选项:

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问题 11: 2. Salinization means a mixture of salt and water.

选项:

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问题 12: 3. Marc Van is now using sea water to grow healthy and tasty vegetables.

选项:

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问题 13: 4. A computer program named “ sensors ” keeps the same salinity in eight testing areas.

选项:

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问题 14: 5. The vegetables from the test areas were stronger than those grown in fresh water.

选项:

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