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說是可以忍受的。

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：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.(我今天將打電話預(yù)定一個(gè)房間。)

本題譯文：專家們說，步行是一個(gè)人保持健康的最好方法之一。

188. Jack almost fell off the cliff, but managed to _____ until help came.

　A. keep on　 B. catch on　 C. count on　　 D. hang on

[答案]D. hang on.

[注釋]hang on(=hold fast, keep hold)牢牢抓住，抓緊不放：Help! I can't hang on much longer.(救命啊！我支持不住啦。)keep on(doing sth.)繼續(xù)(做......)；catch on 理解；count on 指望，依賴。

本題譯文：杰克差點(diǎn)從懸崖上掉下來，但得以抓住不放直到得救。

187. The storm sweeping over this area now is sure to cause _____ of vegetables in the coming days.

A. rarity　 B. scarcity　 C. invalidity　 D. variety

[答案]B. scarcity.

[注釋]scarcity(=the state of being scarce)缺乏；不足(指原本充足之物暫時(shí)在數(shù)量上的缺乏)。例如：The scarcity of fruit was caused by the drought.(水果的供應(yīng)不足是干旱所引起的。)rarity(=sth. uncommon, unusual or sth. valued because rare)珍稀，稀少：Snow is a rarity around the equator.(雪在赤道周圍是罕見之物。)invalidity(=making weak by illness; not suitable for use)無效性，喪失工作能力。Variety(=difference of condition or quality)變化，多樣化。

本題譯文：目前席卷這一地區(qū)的暴風(fēng)雨今后肯定會(huì)引起蔬菜短缺。

186. Don't _____ the news to the public until we give you the go-ahead (許可，準(zhǔn)許).

　 A. release　　 B. discard　　 C. relieve　　 D. retain

[答案]A, release.

[注釋]release(=allow news to be published)發(fā)布(新聞)：Details of the scheme have not yet been released to the public.(這項(xiàng)計(jì)劃的細(xì)節(jié)尚未向公眾發(fā)布。)relieve 1)減輕(痛苦，緊張情緒等)：What will relieve a headache? This will help to relieve our hardship. 2)使放心，使寬慰：The good news relieved us, for we had been very anxious. 3)賑濟(jì)，救濟(jì)：The fund is for relieving distress among the flood victims. 4)relieve...from(of)解除，免除； a. This medicine will help to relieve you from your pain. b. He was relieved of his duties.retain(= keep; continue to have or hold)保持，繼續(xù)保有：1)She retains a clear memory of her schooldays. 2)You must retain your tickets.

185. If you _____ your demand, then maybe you will have more chance of getting what you want.

　 A. conduct　　 B. dismiss　　 C. grant　　 D. moderate

[答案]D. moderate.

[注釋]moderate(=make or become less violent or extreme)節(jié)制，緩和，減輕。

184. His _____of the aeroplane was correct in every detail and could really fly.

　 A. shape　　 B. pattern　　 C. design　　 D. model

[答案]D. model.

[注釋]model此句中意為“(飛機(jī)的)模型”。

183. The open university was started in order to help those who _____ having a university education when they were young.

　 A. stopped　　 B. failed　　 C. missed　　 D. ceased

[答案]C. missed.

[注釋]miss doing sth.沒有做某事：I missed seeing the film when it was shown at school.(學(xué)校放映那部電影時(shí)，我沒有能去看。)

182. The magician picked several persons from the audience and asked them to help him with the performance.

　 A. by accident　　 B. on occasion

　 C. at random　　　 D. on an average

[答案]C. at random.

[注釋]at random(=without aim or purpose)隨便地，胡亂地：His clothes were scattered about the room at random.

By accident意外地；on occasion偶爾；on an average平均計(jì)算。