7. Cost is an important c______ for me when I buy new clothes.

6. His encouraging speech i______ us to be always ready to fight with all kinds of hardships.

5. Pay attention to your ______________. (行为，举止)

4. Mr. John was so kind that all the students ________(尊敬)him.

3. It’s known to all that many scientists have made great achievements under difficult 　　　__________. (条件)

2. It 　　　　_(突然想起) me that nobody is in favor of the changes.

1. They should solve the problem by 　　　　　　(辩论)and not by fighting.

12. Which of the following is not mentioned to help animals survive?

A. sensitive skin　　　　　　 B. sharp eyes　　　　　　　

C. fine smell　　 　　　 D. good hearing

五 用下列词或词组的适当形式填空：(10分)

11. The word “survive” in the second paragraph means __________

　　　 　A. remain alive　　　　　　　 　　 B. live　

　　　 　C. struggle for food　　　　　　 D. feed on something

10. Jelly fish is an example of the animals __________.

A. who can reproduce very fast　　　　　　　

B. who can protect themselves from being attacked

C. who can change their colors　　　　

D. who have very good senses