21. You should be able to_________ right from wrong.
A. perceive
B. distinguish
C. sight
D. observe
答案：B。distinguish right from wrong 的意思是“分清是非”，是固定搭配。所以B是正确答案。A 的意思是“感觉、觉察”，C 的意思是“看到、发现”，D的意思是“观察”均不符合题意。
22. Any student who _________ his homework is unlikely to pass the examination.
A. reduces
B. offends
C. practices
D. neglects
答案：D。本句话的意思是“任何作业不认真的同学都不可能通过考试”。A的意思“减少、缩小”，B的意思是“冒犯、得罪”，C的意思是“练习”，D的意思是“疏忽、玩忽”， 所以只有D和题的意思最接近。
23. I promised to look_________ the matter as soon as I got there.
A. for
B. in
C. into
D after
答案：C。“look into ”的意思是“调查”，本句的意思是“我保证一到那就调查这件事情”。“look for”：寻找。Will you help me look for my gloves? 你能帮我寻找我的手套吗？look in:朝里面看。I looked in my purse and discovered I’d only got a five-pound note.我朝钱包里一看，发现只有一张五英镑的钞票。 look after: 照顾、照看。He has looked after his elderly parents for many years. 他照料年迈的父母已经多年了。
24. Your sister has made an_________for you to see the dentist at 3 this afternoon.
A. appointment
B. interview
C. opportunity
D. assignment
答案：A。appointment 约会、约定，make (或fix)an appointment 预约，是固定搭配。interview 面试，opportunity: 机会，assignment:作业。
25. The committee is expected to_________ a decision this evening.
A. reach
B. arrive
C. bring
D. take
答案：A。我们习惯上说：come to a decision, arrive at a decision, reach a decision,做出决定。
26. He spoke so quickly that I didn't _________ what he said.
A. make for
B. make sure
C. make over
D. make out
答案：D。make out 有“辨认出、听出”的意思。又如：It was difficult to make out what was said over the loudspeaker in the square. 很难听清楚广场上的扩音喇叭里在说什么。make for: 走向，朝…前进。It’s late, we’d better make for home. 时间不早了，我们最好赶快回家。Make for the beach!向海滩前进！make sure: 设法保证。He went round making sure that all the windows were closed. 他巡视了一遍，看看所有的窗户是否都已关上。make over: 翻新、改造。The house has been made over into a school. 房屋已经改成一所学校。 Human nature can’t be made over so easily. 人性并非那么容易改变的。
27. I wrote it down_________I should forget it.
A. in case
B. in case of
C. in order that
D. for fear of
答案：A。in case:（连词）免得，以防万一。本句的意思是：“我写了下来，免得忘了”。又如：Keep the window closed in case it rains.把窗子关好，以防下雨。in case of (介词短语)：假使、如果发生。In case of fire, ring the alarm bell.如遇火警，即按铃。In order that （连词，引导目的状语从句）为了…In order that he should not be late , his mother woke him at 6. 为了不使他迟到，母亲在６点种叫醒他。for fear of:（介词）生怕、以免。She left an hour early for fear of missing her train. 她提早一小时离开以免误了火车。
28. It is not that I do not like plays. The reason why I did not go to the theater last night was that I could not_________the time.
A. offer]
B. leave
C. afford
D. manage
答案：C。afford：（常接在can, be able to 后面）买得起，担负得起（损失、费用）He is not rich enough to afford a car. 他并不太富有，不能购置汽车。Can you afford the time?你能抽的出时间吗？
29. The chemical factory was demolished _________protecting the environment.
A. in spite of
B. in honor of
C. in favor of
D. in the name of
答案：D。in the name of :用…的名义，代表…。本句的意思是“以保护环境的名义，这个化学厂被拆除了。”又如：open an account in the name of John Smith 用约翰史密斯的名字开户。in spite of ：不顾，不管。In spite of what you say, I still believe he is honest. 不管你说什么，我还是相信他是诚实的。in honor of :为了向…表示敬意，为庆祝…为纪念…They gave a banquet in honor of the delegation .他们设宴招待代表团。in favour of:赞同，支持。He refused a job in government in favour of a university appointment.他拒绝了政府部门的工作而选择了大学的职业。D最符合题意。
30. After a three-hour heated discussion, all the members in the jury reached the conclusions that the man was_________ of murder.
A. criminal
B. charged
C. guilty
D. faulty
答案 C be guilty of :有罪的，有过失的。Be found guilty of murder 被判犯有谋杀罪。charge:（动词）控告，指责charge sb with murder指控某人犯谋杀罪。criminal (名词)罪犯。 faulty:有错误的，有缺点的。C 最符合题意。
责任编辑：wangpeng6151
