264. During World War II Malta managed to _____ most of Italian and German bombers by throwing up an effective anti-aircraft screen.

   A. put out    B. shut out    C. come across    D. get across

[答案]B. shut out.

[注释]shut out(=prevent from coming in; block)排除，排斥：They shut out our dust by having double windows.(他们用双层窗户防尘。)

put out扑灭；get across越过；使人了解；come across偶然遇到。

本题译文：第二次世界大战中，马耳他建立了有效的防空屏障以防止意大利和德国的轰炸机侵入。

263. The room was so quiet that she could hear the _____ of her heart.

   A. hitting    B. beating    C. tapping   D. knocking

[答案]B. beating.

[注释]beating 此处是动名词，指"（心）跳"：Her heart was beating furiously.

262. The new safety regulations were agreed on after _____ with the work-force.

   A. conference      B. participation

   C. intervention    D. consultation

 [答案]D. consultation.

[注释]consultation商议：hold a consultation with sb. about sth.（与某人商谈某事）。

conference讨论会；participation参加，参与；intervention干预，干涉。

261. His test results are not very _____. He does well one week and badly the next.

   A. invariable    B. consequent    C. continuous    D. consistent

[答案]D. consistent.

[注释]consistent 1)始终如一，前后一致：He is not consistent in his statements.(他的话并不前后一致。) 2)与......一致：The story is not consistent with the facts. What you say is not consistent with what you do.

260. Scientists think they have _____ in their attempt to find the causes of some major dieases.

   A. broken through    B. worked out

   C. fallen out        D. got round

[答案]A. broken through.

[注释]break through(=be successful after overcoming a difficulty)突破；取得重大成果：Scientists hope to break through soon in their fight against heart disease.(科学家希望在与心脏病斗争中很快取得重大成果。)

本题译文：科学家认为他们在探索某些重要疾病的病因中已取得重大突破。

259. If you ever have the _____ to go abroad to work, you should take it.

   A. possibility    B. offer    C. luck   D. chance

[答案]D. chance.

[注释]chance(偶然的)机会。Have与the(或 a) possibility不能搭配；常用There is a possibility for sb. to do sth.表示客观存在的"可能性"。

258. I'd like to take _____ of this opportunity to thank you all for your cooperation.

   A. profit    B. benefit    C. advantage    D. interests

[答案]C. advantage.

[注释]take advantage of(=make use of sth. for one's own benefit)利用：take advantage of my ignorance(利用我的无知)。

257. I could tell he was surprised from the _____ on his face.

   A. appearance    B. view    C. sight    D. expression

[答案]D. expression.

[注释]expression此处意指"表情"。Appearance表示人的"仪表，外表"。

256. We had a marvelous holiday: only the last two days were slightly _____ by the weather.

   A. damaged    B. hurt    C. ruined    D. spoiled

[答案]D. spoiled.

[注释]spoiled使......扫兴: A shower of rain spoiled our day's outing.

255. The book seems to have been _____ from various books and articles.

   A. pieced together    B. taken off

   C. broken away        D. pulled out

[答案]A. pieced together.

[注释]piece together拼合，拼凑；take off起飞；break away from脱离；pull out拔出；驶出；（车）减速。