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198. 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

[注釋]touch on簡(jiǎn)單談到。參閱Ⅲ.178注釋。

197. 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.

[注釋]subsequently(=afterwards)隨后，其后。

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

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

[答案]B. respectable.

[注釋]respectable受到尊敬的。詳見(jiàn)117.注釋。

本題譯文：沒(méi)有一個(gè)想象到這個(gè)看起來(lái)令人尊敬的商人竟是一個(gè)罪犯。

195. 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.

[注釋]result意為“由某種活動(dòng)或某種原因所產(chǎn)生的結(jié)果”，如：obtain(=get, attain, gain win, secure)good results(取得好結(jié)果)，publish the results(公布成績(jī))。

194. 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.

[注釋]restriction(可數(shù)名稱(chēng))限制性規(guī)定：It is a club with rigid restrictions on its membership.Limitation局限性，不足之處，不利之處(可數(shù))：1)I know my limitations.(我了解我的不足之處。) 2)Every from of art has its limitations.(每種藝術(shù)形式都有其局限性。)

193. 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

[注釋]the rest (of)剩余部分，其余。remain作“剩余物”(=what is left)解時(shí)常用復(fù)數(shù)形式，如：the remains of a meal(殘羹剩飯)。[ALI]《新英漢辭典》認(rèn)為也可以用單數(shù)，可作參考。

192. 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.　　　　　　

[注釋]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.

191. 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.

[注釋]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.(他似乎對(duì)我的計(jì)劃毫無(wú)興趣。)above all(=most important of all)最重要的。in all總計(jì)：We were fifteen in all.(我們總計(jì)15人。)after all畢竟，終究。

本題譯文：他是否努力工作到并不重要，問(wèn)題是他是否真正地做了。

190. Expected noises are usually more _____ than unexpected ones of the like magnitude.

　 A. manageable　　 B. controllable

　 C. tolerable　 　D. perceivable

[答案]C. tolerable.

[注釋]tolerable(=fairly good, not too bad)可忍受的：The pain has become tolerable. manageable可處理的；可管理的；controllable可控制的；perceivable可覺(jué)察的。

本題譯文：料想到的嗓音通常情況下比起等量的意外嗓音來(lái)說(shuō)是可以忍受的。

189. Experts say walking is one of the best ways for a person to _____ healthy.

A. preserve　　 B. stay　　 C. maintain　　 D. reserve

[答案]B. stay.

[注釋]preserve, stay, maintain, reserve這4個(gè)詞均有“保持”，“維持”之意。stay后可接形容詞作表語(yǔ)：The weather stayed wet for three days.其他3個(gè)詞均為及物動(dòng)詞。Preserve(=keep safe from decay, risk, harm, danger, going bad etc.)保存，保護(hù)：1)Policemen preserve order in the streets.(警察在街上維持秩序。) 2)We must preserve our natural resources.(我們必須保護(hù)自然資源。)3)You paint woodwork to preserve it.(你油漆木制品以防腐爛。)Maintain(=keep up)保持，維持，維修。Reserve(=keep for a special purpose; store)保留，預(yù)定：1)I'll reserve my opinion at his time,(這時(shí)我將保留我的看法。) 2)I'll phone up today and reserve a room.(我今天將打電話(huà)預(yù)定一個(gè)房間。)

本題譯文：專(zhuān)家們說(shuō)，步行是一個(gè)人保持健康的最好方法之一。