An appropriate amount of temporary pressure can ______ a kind of motivation to do something well, but once it becomes constant or permanent, psychological problems are likely to _______

An appropriate amount of temporary pressure can ______ a kind of motivation to do something well, but once it becomes constant or permanent, psychological problems are likely to _______.

　　 A. act as; rise　 B. play as; appear　 C. work as; raise　 D. serve as; arise

三. Choose an appropriate word or phrase in its correct form to complete each sentence.

A、old ; elder; elderly

1. She is an _________ friend of ours.

2. I was much happier in my ________ job.

3. Mary often quarrels with her  _________ sister.

4. He is very active for an ____________man.

5. I feel pretty _________ when I see how the younger generation behaves.

B、some day; one day; the other day

6. I promise I will come back and marry you___________________.

7. _______________I  will get my revenge(愤怒).

8. I remember seeing him somewhere____________.

9 .__________I just feel like quitting my job. But I need the money so I can’t.

A、in disguise; in return; in the flesh; in time; in common; in amazement

10. What can e do ______________for your kindness?

11. I don’t think they’ve got much____________ with their neighbours.

12. He often went out ___________ to avoid the ever-present journalists.

13. They were shaking their heads____________.

14. It was a pleasure to finally meet him____________.

15. I want to be home ________for tea.