Preserving Nature for Future Demands for stronger protection for wildlife in Britain sometimes hide the fact that similar ne

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问题     Preserving Nature for Future
    Demands for stronger protection for wildlife in Britain sometimes hide the fact that similar needs are felt in the rest of Europe. Studies by the Council of Europe have【B1】______ that 45 per cent of reptile (爬行动物) species and 24 per cent of butterflies (蝴蝶) are in【B2】______ of dying out.
    European concern for wildlife was outlined by Dr. Peter Baum, an expert in the environment and natural resources division of the council, when he spoke at a conference arranged by the administrators of a British national park. The【B3】______ is one of the few areas in Europe to hold the council’s diploma(证书)for nature reserves (自然保护区) , he was【B4】______ that public opinion was turning against national parks, and that those set up in the 1960s and 1970s could not be【B5】______ up today.
    "No area could be expected to survive both as a true【B6】______ reserve and as a tourist attraction, "he went on. The short-sighted view that reserves had to serve【B7】______ human demands for outdoor recreation should be【B8】______ by full acceptance of their importance as places to preserve nature for the future.
    "We forget that they are the guarantee of life systems, on which any built-up area ultimately depends." Dr. Baum went on. "We could manage without most【B9】______ products, but we could not manage without nature. However, our natural environment areas, which are the original parts of our countryside, have shrunk (缩小) to mere islands in a spoiled and【B10】______ polluted landmass. "
A. nature
B. heavily
C. immediate
D. set
E. shown
F. said
G. afraid
H. industrial
I. replaced
J. park
K. danger
L. risk
【B8】

选项

答案I

解析 此题旨在考查情态动词被动语态的用法,should be后面接动词的过去分词。replaced意思是“代替,替代”,replaced非常适合此处语境,因此此题应选I。
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