24．A dark blue design will not 　　on a blackboard.

A. clear up　 B. go up　 C. show up　 D. pick up

Key: C　 show up　 颜色衬得分明、清晰

23. The store had to 　　　a number of clerks because sales were down.

A. lay out　 B. lay off C. lay aside　 D. lay down

Key: B　 lay off (暂时)解雇　 lay out 安排、布置　 l

ay aside 储存　　　　 lay down　 放下、规定

22. It is much easier to talk about social change than to 　　.

A. bring it on　 B. bring it about　 C. bring it up　 D. bring it out

Key: B　 使……发生　 A. 引起，有助于　 C. 扶育大　 D. 显示，揭露

21. This is a story completely 　　　by him, so don’t rust him.

A. discovered　 B. invented　 C. found　 D. known

Key: B　 invent a story　 编故事

20. Historical experience can 　　　as a most important source of information.

A. serve　 B. use　 C. regard　 D. prove

Key: A

(1) vi., vt. 为……工作　 serve as a gardener

(2) vi., vt. 服役、供职　 serve in the army　 server under sb.

(3) vi., vt. 供……饭茶，将……摆上桌　 serve coffee

(4) vi., vt. 满足(需要)，达到(目的)This room can serve for/as a study.

19. Have a good rest, you need to 　　your energy for the tennis match this afternoon.

A. have　 B. save　 C. hold　 D. get

Key:　 B　 save

18. It was so noisy out side that he couldn’t 　　　down to read.

A. settle　 B. put　 C. sit　 D. lie

Key: A　 settle down 　vi. 舒适地坐或躺

　　　　　　　　　 vt. settle sb. Down (使sb )安心

Wait until the children settle down before you start the lesson.

17. He offered to 　　　her a hand as the suitcase was too heavy for her to carry.

A. hold　 B. show　 C. lend　 D. borrow

Key: C　 lend | give sb. A hand (with…) 在……帮助某人

16. ----When did the concert　 ?

　 ---Well, two or three years ago?

A. happen　 B. take place　 C. hold　 D. start

Key: B

15. --- Not getting that job was a big bet down.

　 ---Don’t worry. Something better will　　 .

A. come along　 B. take on　 C. go by　 C. fall behind

Key: A　 come along　 (1)到达、出现　 appear　 (2)=come on