大学英语复习资料

正确答案：D 解析：根据时间状语by the end of 2020可知本句表示在未来的时间点之前将会完成的动作，应该用将来完成时，所以答案为D，意思是“到2020年末，中国将会变得更加强大、富有”。

8 It ____________years since I last saw you. A. was B. is

C. will be D. has been 正确答案：D

解析：根据时间状语since I last saw you，可知前面的动作是从过去发生一直持续到现在，应该用完成时态，所以选D，意思是“自从我上次看见你已经过去很多年了”。

9 The room____________often cleaned by the worker. A. hasB. will be C. wasD. is 正确答案：D

解析：主语the room 是单数，和谓语动词clean之间是被动关系，而副词often表明是经常发生的动作，应用一般现在时，所以选D，意思是“房间经常由工人打扫”。

10 The railway____________in three years.

A. is completeB. will completedC. has completedD. will be completed 正确答案：D

解析：根据时间状语in three years可知这个动作将要发生，应该用一般将来时态，而主语railway和谓语complete之间是被动关系，所以答案为D，意思是“铁路将在三年内完成”。

11 The Anti-Japanese War____________in 1937 and it____________eight years.

B. was broken out …

正确答案：D

解析：根据时间状语in 1937可知这是过去发生的事情，应用一般过去时。主语the

Anti-Japanese Warr和谓语broke out是主动关系，不能用被动语态，所以答案为D，意思是“抗日战争爆发于1937年，持续了8年之久”。

12 ____________you____________there before? A. Have, been B. Have, gone C. Have, been to

D. Have gone to 正确答案：A 解析：本题意为“你以前去过哪儿吗？”，表明说话时双方都不在那个地方，应该用have been to 结构，所以答案为A。

13 Tom ____________ his lessons from seven to eight last night. A. was doing B. had done C. were taken

D. had been taken 正确答案：A 解析：时间状语from seven to eight last night表示的是一段时间，所以应该用过去进行时，意思是“汤姆昨晚从7点到8点这段时间正在学习功课”，所以答案为A。

14 He____________thin. What happened to him? A. was getting B. is getting C. will getting D. had been got 正确答案：B

解析：本句表示的是汤姆现在处于的一种状态，应该用现在进行时态，所以答案为B，意思是“他变得瘦了，发生了什么事情？”。

15 I ____________my homework now. A. finish B. finished C. have finished D. had finished 正确答案：C

解析：此句用现在完成时表示某一动作对现在造成的影响或结果，意思是“我现在已经完成了作业”，所以应该选C。

Unit 4 动词的语态

Ⅰ. Choose the best answer to complete each of the following sentences.

1 That factory ____________ nearly 50 years ago. A. has been builtB. had builtC. was builtD. has built 正确答案：C 答案讲解：根据时间状语nearly 50 years ago，可知谓语动词应该用一般过去时；而主语the factory和谓语build之间是被动关系，所以答案为C。句子的意思是：“这个工厂修建于50

年前。”

2 We all believe that computer____________ smaller and smaller in the coming years. A. can be becomeB. will be gotC. will be changedD. can turn 正确答案：D

答案讲解：此题意思是：“我们都相信在未来几年中计算机会变得越来越小。”能表达此意的只有A、B和D选项。动词become、get和turn + adj.可以构成主系表结构，且不用被动语态，所以答案应选D。

3 He ____________ not to leave waste paper in public places any more. A. warnsB. warnedC. is warnedD. was warned 正确答案：D

答案讲解：分析句子结构，主语he和谓语warn之间是被动关系，而这件事很明显是发生在过去，所以答案为D。句子的意思是：“他被警告不要再把废纸扔在公共场所。”

4 Don't worry. Everything will____________in time. A. be finishedB. finishC. finishedD. be finishing 正确答案：A

答案讲解：主语everything和谓语动词finish之间是被动关系。在将来时态中，被动语态形式为“主语+will be + V.p.p.”，所以答案为A。句子的意思是：“不要担心，每件事都会按时完成。”

5 Such problems ____________ as soon as possible.

A. have solvedB. have been solvingC. have to solveD. have to be solved 正确答案：D

答案讲解：分析句子结构，主语such problems和谓语solve之间是被动关系，所以答案应选D。“主语+ have to + be +V.p.p.”的意思是“不得不被……”。句子的意思是：“这样的问题不得不尽快解决。”

6 Her application for the position ____________ by the boss. A. was refusedB. was refusingC. refusedD. is refusing 正确答案：A

答案讲解：分析句子结构，主语her application for the position和谓语refuse之间是被动关系，所以答案应选A。句子的意思是：“她申请那个职位被老板拒绝了。”

7 The event ____________ at the time last year.

A. happensB. happenedC. is happenedD. was happened 正确答案：B

答案讲解：动词happen是不及物动词，没有被动语态；时间状语at the time last year表明这件事发生在过去，应该用一般过去时，所以答案为B。句子的意思是：“这件事发生在去年的这个时候。”

8 Much ____________ in the past few years. A. has done B. did

C. has been done D. was done 正确答案：C

答案讲解：主语much和动词do之间是被动关系，时间状语in the past few years是现在完成时的一个标志，所以正确答案是C。句子的意思是：“在过去的几年中完成了很多事情。”

9 Because of the rainy day, the match ____________ A. has been putting off B. has put off C. put off

D. has been put off 正确答案：D 答案讲解：主语the match和谓语put off之间是被动关系，应用被动语态，所以答案为D。句子的意思是：“由于下雨，比赛被推迟了。”

10 Working hours in the United States ____________over the past 20 years. A. have increased B. increased

C. were increasing

D. have been increased 正确答案：A

答案讲解：increase在句中表示一种状态而不是动作，所以不能用被动语态；根据时间状语over the past 20 years，可知本句应用现在完成时，表示过去发生的事情对现在的影响，所以答案为A。句子的意思是：“在美国过去的20年中，工作时间增加了。”

11 Since computers were invented, it ____________ that they are indispensable for scientific research. A. thought

B. has been thought C. is thinking D. had thought 正确答案：B

答案讲解：it在句中作形式主语，句子真正的主语是that引导的从句，而且it和think是被