371. The _____ stuck on the outside of the envelope said "By Air".

A. label　　 B. ticket　　 C. signal　　 D. sign

[答案] A. label.

[注释]label 标签，标记。signal信号. sign记号；指示牌：traffic signs (交通版示)。notice布告。

370. It was the largest experiment we had ever had; it _____ six hours.

A. ended　 B. finished　 C. prolonged　 D. lasted

[答案] D. lasted.

[注释]last vi. (for) 持续。

369. I have been looking for this book for months, and _____ I have found it.

A.at least　 B. in no time　 C.at last　 D.at present

[答案] C. at last.

[注释]at last (=in the end)最终；at least至少；in no time 立即，马上；at present 目前。

368. He offered to _____ her a hand as the suitcase was too heavy for her to carry.

　 A. lend　　 B. help　　 C. show　　 D. loan

[答案] A. lend.

[注释]lend sb. a hand给某人帮个忙。

367. I'm sorry but what he thinks is not of the _____ importance to me.

A. merest　 B. lowest　 C. last　 D. least

[答案] D. least.

[注释]least 是little的最高级形式。

366. Animals should not be locked in cages; they should be in their normal _____.

A. environment B.position　 C.residence　 D. dwelling

[答案] A. environment.

[注释]environment(=surroundings, circumstances)环境，environment作集合名词用时，只用单数形式：We should work hard to improve our environment. (单词，不可数)Children need a happy home environment. (单数，可数)

365. The lady who had invited us heard me telling my wife that the dinner was terrible so I was _____.

fused B. nervous　 C.shameful　 D.embarrassed

[答案] D. embarrassed.

[注释]be embarrassed 感到窘迫。

364. Air and the sun's rays create much distortion, and whatever tends to _____ their influence is useful to the astronomer.

A. exclude　 B. eliminate　 C. extinguish　 D. impose

[答案] A. exclude.

[注释]exclude 排除。extinguish扑灭；eliminate消除。

impose 把......强加给：Don't impose your wishes on us.(不要把你的意思强加给我们。)

363. The filling station _____ because there were too many others on the street.

　 A. fell through　　 B. went under

　 C. fell out　　　　 D. went through

[答案] B. went under.

[注释]go under 破产，失败。fall through 也有“失败”之意，但多半指计划、想法等“落空”。

本题译文：这个加油站破产了，因为在这条街上加油站太多了。

362. His job at the hospital did not pay much, so he found another _____.

　 A. on the rise　　　 B. on the spot

　 C. on the decline　　 D. on the side

[答案] D. on the side.

[注释]on the side(=in addition to a main thing) 额外；作为兼职：1)He ordered a hamburger with onions and French fries on the side. (=He ordered a hamburger with onions and French fries extra.) 2)He does some house-keeping work on the side.(他帮人家做些家务活作为兼职。)on the rise(作表语)在上升；on the spot 现场；on the decline (做表语)在下降：The population in the country is on the decline. (这个国家的人口在下降。)