1、251. It is not profitable to provide bus services in districts where the population is widely _____. A. scattered B. dismissed C. separated D. spread [答案]A. scattered. [注释]scattered是scatter的过去分词，也可作形容词用，（=lying in different directions; not situated together, wide apart）分散的，散
2、布在各处的。Separate分开的，spread传播；摊开，dismiss解雇。 252. There are usually at least two _____ of looking at every question. A. ways B. directions C. views D. opinions [答案]A. ways. [注释]two ways of looking at every questions意指“观察每个问题的两个方面”。 253. He left in such a hurry that I ___
3、__ had time to thank him. A. almost B. even C. nearly D. scarcely [答案]D. scarcely. [注释]scarcely(=hardly, not quite, almost not)几乎没有。Scarcely是否定副词，类似的有：hardly, barely, rarely, seldom, little等。研究生入学考试中经常测试这类否定副词的用法。 254. As more and more cars are produced and used, so t
4、he _____ from their exhaust-pipes contains an even larger volume of poisonous gas. A. exposure B. distribution C. expansion D. emission [答案]D. emission. [注释]emission散发物，发射。exposure(to)暴露于：They believe that their health problems are the result of years of exposure to fine cot
5、ton dust.(他们认为，他们的健康问题是多年来暴露于棉花粉尘所致。)expansion膨胀，扩大；Heat causes the expansion of gas.本题译文：正如汽车的生产和使用越来越多一样，汽车的排气管的散发物内所含的有毒气体量也在增加。 255. The book seems to have been _____ from various books and articles. A. pieced together B. taken off C. broken away D. pulled o
6、ut [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。 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..
7、....扫兴: A shower of rain spoiled our day's outing. 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”。 258. I'd like to take _____ of this opportu
