25. A. students 　　　　　　 B. youths　 　　　　　 C. adults　　 　　　 D. minors

24. A. features　 　　　　　 B. structure　　　 C. recognition　 　 D. expression

23. A. prefer　 　　　　　　 B. adjust　 　　　　　 C. lead　　　 　　　　 D. compare

22. A. added　　　 　　 B. attached 　　　　　 C. covered　 　　　　 D. devoted

1.　　　 It seemed strange that the man who had developed communism should have lived and died in London.

这似乎是一件怪事:这位发展了共产主义的人竟然在伦敦生活过，而且在伦敦去世.

[解释] It is/seems/…that …从句用虚拟语气，由“should+v.原形”构成

[典例]

1) It is strange that my mother should agree with me.真奇怪我妈妈竟然答应了我。

2) It was strange that my mother should have agreed with me. 真奇怪我妈妈竟然答应了我。

[练习]翻译

1)　 真奇怪,他竟然考试不及格.

__________________________________________________________________________________________

2)　 似乎很奇怪，他能够通过触摸判断花的种类。

__________________________________________________________________________________________

Key: 1)It’s strange that he should fail the exam. 2) It seemed strange that he could tell the different kinds of flower by touching.

1. There is no need to debate any more about why different words are used to describe the four countries.

没有必要去争论为什么要用不同的词去描述这四个国家。

[解释]There is no need to do没有必要做某事

There is no doubt that ……是毫无疑问的

[练习]汉译英

1) 我们有必要再去那一趟吗?

__________________________________________________________________________________________

2) 没必要给他写封信告知这个消息.

__________________________________________________________________________________________

Keys:

1) Is there any need for us to go there again?

2) There is no need to write to him and inform him the news.

3. leave out省去,遗漏

　[典例]

1) You have left out the most important word in this sentence．

你在这一句中遗漏了最重要的一个单词。

2) Don't leave me out when you invite people to your party．

当你邀请人们去参加晚会时，别把我漏掉了。

[重点用法]

leave for 动身到(某处)

leave alone不管;撇下…一个人

leave aside搁置

leave behind遗忘;遗留

[练习]请填人适当的介词或副词：

1) They were left ______ in the wilderness.

2) He was asked to make up the information left ______ by the leader.

Keys: 1) alone 2)　 out

VI 重点句子 (旨在提供句子结构等所需材料)

2. break down损坏，跨，压倒，分解

[经典例句]

1) The bridge broke down．桥塌了。

2) The engine broke down．发动机坏了。

3) He has broken down from overwork．他因工作过度而累垮了。

4) Water can be broken down into hydrogen and oxygen．水可以分解为氢和氧。

5) The plan to build another chemical work has broken down because it will cause serious pollution．再建一个化工厂的计划失败了，因为这将引起严重的污染。

[词汇激活]

break away from摆脱，脱离

break in闯入；插话

break into闯入；破门而人；打断(谈话)

break off中止；折断；打折

break out爆发；突然发生

break through突破；冲垮

break up分解；(使)结束;分开,分离

[练习]请填人适当的介词或副词：　　

1)To understand the grammar of the sentence, you must break it ___________ into pieces.

2) The elevator broke _______.

3) Fighting broke_______ in the prison cells.

4)Fire broke _______during the night.

5) On the way to the prison house, the prisoners suddenly broke _______ from the policeman.

Keys: 1) down　 2) down　 3) out　 4) out　 5) away