新视野大学英语第1234册课后习题及答案

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Unit 1-Section A

Language Focus-Words in Use

1. Given the chance to show his ability, he regained (confidence) and began to succeed in school.

2. It is so difficult to (explore) the bottom of the ocean because some parts are very deep.

3. It was about 30 seconds before Alex (emerged) from the water; we were quite scared.

4. We often (assume) that when other people do the same things as we do, they do them for the same reasons; but this assumption is not always reasonable.

5. There is widespread concern that the rising unemployment may (pose) a threat to social stability.

6. After a(n) (comprehensive) physical exam, my doctor said I was in good condition except that my blood pressure was a little high.

7. It is well known that China is a country with rich natural (resources) and a very big population.

8. Some people believe that the earth can (yield) enough food to support at least twice its present population.

9. Sam(inherited) the gift of imagination from his family, but he lacked the driving power to take action.