It may be necessary, in order that future【C1】______can enjoy clean air, that

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问题 It may be necessary, in order that future【C1】______can enjoy clean air, that more of the【C2】______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【C3】______money so that local authorities can【C4】______special local problems. That these can be significant was shown by the report made in 1970【C5】______behalf of the London Boroughs Association. This【C6】______that in central London since 1958 smoke concentrations have decreased by 80 percent, whereas sunshine has increased by 70 percent and winter visibility has【C7】______threefold. There have been【C8】______in mortality and hospital admissions【C9】______with air pollution and in the response to it of bronchitis, as well as clear if less documented increases in plant types and bird【C10】______in the cities. [br] 【C10】

选项 A、spacious
B、spades
C、species
D、spices

答案 C

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。

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