28. The scientists are now trying to discover what use could be____ such material.

　 A. made out　　　 B. made of　　　 C. made up　　 D. made from

27. Plenty of fresh air contributes____ good health.

　 A. in　　　　　 B. for　　　　 C. to　　　　 D. with

26. A nest is to a bird_____ a house is to a man.

　 A. what　　　　 B. when　　　 C. how　　　 D. where

25. _Good morning. Can I help you?

　 _ I’d like to have the package_____, sir.

　 A. be weighed　 B. to weigh　 C. weighed　 D. weighing

24.Do you know which door_____?

A. this key is belonged to　　　 B. this key is belonging to　　　

C. this key belongs to　　　　　 D. does this key belong to　

23. The news reporters hurried to the airport, only____ the film stars had left.

　 A. to be found　　 B. finding　　　 C. found　　　 D. to find　　　

22. It was in the village____ he once lived____ he got his junior education.

　 A. that; where　　 B. where; that　　 C. which; where　　 D. where; which

第一节 语法和词汇知识(共15小题；每小题1分，满分15分)

21. Time____ quickly. Three years passed before I knew it.

　 A. went by　　 B. went on　　　 　 C. went away　　 　　 D. went off