1. It isn't so much whether he works hard; the question is whether he works _____。

　　A. above all    B. in all    C. at all    D. after all

　　[答案]C. at all。

　　[注释]at all全然，真地(常用于肯定句中)：If you do it at all, do it well。(你若真做，就得做好。)not...at all全不，毫不：He doesn't seem at all interested in my plane。(他似乎对我的计划毫无兴趣。)above all(=most important of all)最重要的。in all总计：We were fifteen in all。(我们总计15人。)after all毕竟，终究。

　　本题译文：他是否努力工作到并不重要，问题是他是否真正地做了。

　　2. Mary had taken _____ to see that her guests had everything that they could possibly want。

　　A. efforts    B. pains    C. attempts    D. endeavors

　　[答案]B. pains.             

　　[注释]take pains to do sth。下苦功夫做某事：I'm grateful because you have taken pains to show me how to do the work。

　　3. He ate what he could, and gave the _____ of the food to the birds。

　　A. remain    B. uneaten    C. rest    D. part

　　[答案]C. reset

　　[注释]the rest (of)剩余部分，其余。remain作“剩余物”(=what is left)解时常用复数形式，如：the remains of a meal(残羹剩饭)。《新英汉辞典》认为也可以用单数。

　　4. The government placed _____ on the numbers of foreign cars that could be imported。

　　A. limitations     B. restraint    C. requirements    D. restrictions

　　[答案]D. restrictions。

　　[注释]restriction(可数名称)限制性规定：It is a club with rigid restrictions on its membership.Limitation局限性，不足之处，不利之处(可数)：1)I know my limitations。(我了解我的不足之处。) 2)Every from of art has its limitations。(每种艺术形式都有其局限性。)

　　5. We won't know whether it will be successful. We won't know whether there will be good _____。

　　A. ends    B. results    C. effects    D. causes

　　[答案]B. results。

　　[注释]result意为“由某种活动或某种原因所产生的结果”，如：obtain(=get, attain, gain win, secure)good results(取得好结果)，publish the results(公布成绩)。

　　6. No one imagined that the apparently _____ businessman was really a criminal。

　　A. respectful    B. respectable    C. respective    D. respected

　　[答案]B. respectable.[注释]respectable受到尊敬的。详见117。注释。

　　本题译文：没有一个想象到这个看起来令人尊敬的商人竟是一个罪犯。

　　7. At first the institute refused to purchase the telescope, but this decision was _____ revised。

　　A. occasionally    B. consequently    C. successively    D. subsequently。

　　[答案]D. subsequently.[注释]subsequently(=afterwards)随后，其后。

　　8. The speaker _____ several other subjects in the course of his talk but mostly kept himself to the main topic。

　　A. held on    B. worked out    C. touched on    D. kept out of

　　[答案]C. touched on[注释]touch on简单谈到。参阅Ⅲ.178注释。

　　9. Comrade Li Dazhao, _____ librarian of Beijing University, was one of the founders of the Chinese Communist Party。

　　A. sometimes    B. sometime    C. some time    D. some times

　　[答案]B. sometime.[注释]sometime(=former)过去的，以前的：Alice Brown, a sometime pupil of our school, is now a teacher there。

　　10. Alice was very sorry to hear that her grandmother had _____ two days before。

　　A. broken off    B. passed off   C. given away    D. passed away

　　[答案]D. passed away。

　　[注释]pass away(=die)死亡，是“死亡”的委婉语。break off中断；give away给掉；泄露；pass off中止，中断。

　　11. What makes the space shuttle _____ is that it takes off like a rocket but lands like an airplane。

　　A. exceptional    B. strange    C. unique    D. rare

　　[答案]C. unique。

　　[注释]unique(=being the only one of its type)同类事物中独一无二的。如：This stamp is unique; all others like it have been lost or destroyed。

　　12. People cannot but feel _____, for they simply cannot understand how he could have made such a stupid mistake。

　　A. puzzled    B. delighted    C. induced    D. inspired

　　[答案]A. puzzled.[注释]be (feel, get) puzzled感到迷惑、为难。

　　本题译文：人们不得不感到迷惑，因为他们简直不能理解，他怎么能犯这样愚蠢的错误。

　　13. When a space shuttle has accomplished its _____, it can be ready for another trip in about two weeks。

　　A. venture    B. mission    C. commission    D. responsibility

　　[答案]B. mission。

　　[注释]mission通常指一种特殊的、特定的且有一定难度的使命或工作，常与accomplish, complete等词搭配，如：accomplish a historic mission完成一项历史使命。Venture冒险；常指商业上的冒险投机。例如：He declined the business venture. Commission委任；代理；佣金。He often goes beyond his commission。(他时常越权。)responsibility责任。本题译文：当航天飞机完成了它的使命，它能在大约两周内做好准备再次航行。

　　14. He's the kind of man who is fond of _____ compliments to other men's wives。

　　A. paying    B. saying    C. expressing    D. showing

　　[答案]A. paying[注释]pay a compliment (compliments) to sb。恭维某人。

　　15. Radar enables the pilot of an airliner to take off, fly and land in _____。

　　A. danger    B. comfort   C. continuity    D. safety

　　[答案]D. safety.[注释]in safety安全地。从逻辑上看，其他选择均不切题。

　　16. The map was drawn to the standard _____ of 1/100,000, so there was not much detail。

　　A. route    B. line    C. rate    D. scale

　　[答案]d. scale。

　　[注释]scale在此题中意指“(实物与地图、图解等代表物间的)比例，比例尺”.be drawn to be standard scale of 1/100,000(按照十万分之一标准比例尺绘制)。

　　17. Our Party has always devoted great attention to raising the living _____ of the working people。

　　A. cost    B. situation    C. level    D. standard

　　[答案]D. standard.[注释]living standard生活水准。

　　18. It was _____ by the railway board that the cost of rail fares would be increased by ten percent。

　　A. noticed    B. stated    C. suggested    D. noted

　　[答案]B. stated。

　　[注释]state此处意为“(=make sth. know, announce)宣布，通告，声明(口头的或书面的)”，如：It is stated that all the accident were killed。(据宣布，事故中全部人员无一幸免。)suggest建议，是表示欲望意义的动词，从句中要用虚拟语气(should +动词原形)。Note(=notice)“注意到”，如：It was noted that the temperature rose during this time。

　　19. The chances of discovering life on Neptune are about a million _____。

　　A. at one    B. for one    C. to one    D. against one

　　[答案]c. to one.[注释]a million to one百万分之一，意为“几乎没有什么可能”。

　　20. Everything he said then was _____ by what happened later。

　　A. identified    B. signified    C. noticed    D. verified

　　[答案]D. verified。

　　[注释]verify(=prove the truth of)证实，证明：1)It was easy to verify his statements。(很容易证实他说的话。) 2)Later findings verified the scientist's theory(后来的各种发现证明这位科学家的理论是对的。)identify识别，鉴别；signify表示，意味，要紧；有重要性：1)He signified that he agreed by nodding。(他点头表示同意。) 2)Never mind, it doesn't signify。(没事儿，这无关紧要。)