1. He was thinking a maths problem so that he almost knocked at an old man.

答案:at→into

5. Diverse factors ______ his success in his exam, including hard work, determination and wisdom.

A. have contributed to

B. causes

C. leading to

D. has resulted in

解析:句意为“多种因素促成了他在考试中的成功, 包括努力学习、坚强的意志和聪颖”。contribute to “起到促成作用”。

答案:A

4. The people ______ on the large stone with the flood around were shouting for help.

A. in a flash　　　　　　　　　　　　 B. bidding goodbye

C. at risk　　　　　　　　　　　　　　 D. out of danger

解析:句意为“四周是洪水, 在大石头上的人们拼命地喊救命”。at risk “有危险的, 处于危险中的”, 作定语或表语。in a flash “瞬间”；bid goodbye “告别”；out of danger “没有危险”。

答案:C

3. -Excuse me, can you do me a favour?

-Certainly. What?

-Would you please ______my pet dog when I am on leave for Japan?

A. keep up　　　　　　　　　　　　　 B. keep an eye on

C. keep off　　　　　　　　　　　　　 D. keep back

解析:第三句句意为“当我去日本的时候, 你能够照看我的宠物狗吗?”keep up “不低落”;keep an eye on “照看”;keep off “不接近”;keep back“阻止”。

答案:B

2. Only when the unfair system was abolished, did the new one ______.

A. are undertaken

B. will be elected

C. come into being

D. knock into others

解析:句意为“只有当旧的制度被废除后, 新的制度才形成”。come into being “形成”。

答案:C

1. The boss demanded that Li Lihua______ her homework within a week but she was lost in the net games.

A. finished　　　　　　　　　　　　　 B. finishes

C. would finish　　　　　　　　　　 D. finish

解析:demand “要求”, 后面的宾语从句要用虚拟语气, 即should do sth. , should可以省略。

答案:D

5. Did you watch Shakespeare’s ?The M______ of Venice on TV last night?　

答案:Merchant

4. The Olympic Stadium, nicknamed “Bird’s Nest” has a steel f______.

答案:framework

3. The company made an a______ in my salary.

答案:adjustment

2. I catch colds frequently because my r______ is low.

答案:resistance