2. 外语
  3. It may be necessary, in order that .future 【B1】 can enjoy clean air, that more of the 【B2】 is borne by long-term central governm

It may be necessary, in order that .future 【B1】 can enjoy clean air, that more of the 【B2】 is borne by long-term central governm

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问题     It may be necessary, in order that .future 【B1】 can enjoy clean air, that more of the 【B2】 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 【B3】 money so that local authorities can 【B4】 special local problems. That these can be significant was shown by the report made in 1970 【B5】 behalf of the London Boroughs Association. This 【B6】 that in central London since 1958 smoke concentrations have decreased by 80 percent, whereas sunshine has increased by 70 percent and winter visibility has 【B7】 threefold, There have been 【B8】 in mortality and hospital admissions 【B9】 with air pollution and in the response to it of bronchitis, as well as clear if less documented increases in plant types and bird 【B10】 n the cities.
选项 A、habitats
B、inhabitants
C、inhabitant
D、inhabit
答案B
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inhabit ant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。
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