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请教PREP08一道题

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楼主
发表于 2017-10-9 12:53:28 | 只看该作者 回帖奖励 |正序浏览 |阅读模式
附上原题:
In Scotland, the number of wild salmon have been reduced because of uncontrolled deep-sea and coastal netting, by pollution, and by various other threats to the fish’s habitat.
A.        number of wild salmon have been reduced because of uncontrolled deep-sea and coastal netting,
B.        number of wild salmon is reduced because deep-sea and coastal netting is not controlled,
C.        numbers of wild salmon has been reduced because of uncontrolled deep-sea and coastal netting,
D.        wild salmon’s numbers are reduced by deep-sea and coastal netting that is not controlled,  
E.        wild salmon’s numbers have been reduced by uncontrolled deep-sea and coastal netting,


我的疑问是D和E选项为什么这里的are和have用了复数,明明前面不是the number of要用单数的吗



正确答案是E

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沙发
 楼主| 发表于 2017-10-9 12:59:55 | 只看该作者
我知道了...
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