单选题 It may be necessary, in order that future (51) can enjoy clean air, that more of the (52) is borne by long-term central government fund. As air pollution varies enormously from place to place and can, indeed, be very local, it may also be necessary for the central government to (53) money so that local authorities can (54) special local problems. That these can be significant was shown by the report made in 1970 (55) behalf of the London Boroughs Association. This (56) that in central London since 1958 smoke concentrations have decreased by 80 percent, whereas sunshine has increased by 70 percent and winter visibility has (57) threefold. There have been (58) in mortality and hospital admissions (59) with air pollution and in the response to it of bronchitis, as well as clear if less documented increases in plant types and bird (60) in the cities.

单选题 A. habitats B. inhabitants C. inhabitant D. inhabit
【正确答案】 B
【答案解析】[解析] A项habitat(s)是可数名词,指的是动物的“生活环境,栖息地”。如:Asia is the habitat of the tiger. 亚洲是老虎生活的自然环境所在。D项inhabit是动词,意为live in。C项inhabitant指的是生活在一个地区的“居民”,本题中应用inhabitant的复数形式,指地球上居住的人,所以B为正确答案。
单选题 A. fee B. tuition C. cost D. charge
【正确答案】 C
【答案解析】[解析] bear一词有“提供;负担费用”的意思。在这四个选择中,fee常指“为获取某种资格或所负担的费用”,入场费、学费、会员费等都可用fee。tuition一般专指“学费”。也可说tuition fee。而cost常指购物或办一件事所需的“费用,价钱”。charge可用作名词,也可当“费用”讲。但这里用C最为合适。
单选题 A. allocate B. assign C. amass D. attract
【正确答案】 A
【答案解析】[解析] A项allocate -词常指为专门项目的“拨款”;assign指的是“分配(任务)”;amass指的是“积累(财富)”。从句意看,用A最为合适。
单选题 A. see B. watch C. meet D. look
【正确答案】 C
【答案解析】[解析] meet有“处理,解决”问题的意思。相当于英文的deal with或handle。这一句中谈的是“当地的特殊问题”,所以应该用meet,其他三个词不含meet的这个意思。
单选题 A. in B. at C. on D. to
【正确答案】 C
【答案解析】[解析] 这里是短语的固定结构,只能用介词on。on behalf of的意思是“代表”。
单选题 A. reviewed B. revolved C. revealed D. regained
【正确答案】 C
【答案解析】[解析] reviewed意为“复习;检查”;revolved意为“旋转”;revealed指的是“披露”事实真相;regained是“重新收回,复得”的意思。根据上下文的意思,此处应用C。
单选题 A. improved B. shared C. added D. proved
【正确答案】 A
【答案解析】[解析] A项improved意为“提高,改进”,B项shared意为“分享,分担”,C项added“增加”和D项proved“证实”虽都是动词,但与上下文的意思不吻合。根据题意,这里应选A。
单选题 A. abduction B. deduction C. conduction D. reductions
【正确答案】 D
【答案解析】[解析] 这一句讲的是“死亡率下降”,应该用reduction这个词。abduction尤指“拐骗”妇女儿童,也指“绑架(kidnapping)”;conduction指的是“传导”;deduction的意思是“从总数中减去”,多用于工资或费用中。
单选题 A. associated B. concerned C. tied up D. involved
【正确答案】 A
【答案解析】[解析] A项associated (with)意为“和联系在一起的”;B项concerned (with)意为“和……有联系的;参与”;C项tie意为“捆,系”;D项involved (with)指的是“与……联系或来往”根据题意,这里应选A。
单选题 A. spacious B. spades C. species D. spices
【正确答案】 C
【答案解析】[解析] A项spacious是形容词,意思是“宽敞,广阔”。B项spades意为“铁锹”或扑克牌中的“黑桃”。C项species指的是生物学中的“种,类”,如:The Origin of Species《物种起源》。而D项spice指的是有强烈刺激味的佐料,如姜粉、辣椒或咖喱等。这句中讲的是鸟类的种类,即kinds of birds,应选C。