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大全853

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楼主
发表于 2006-8-31 04:17:00 | 只看该作者

大全853

B   853      There has been a 30- to 40-fold increase in the incidence of malaria caused by increasing mosquito resistance against pesticides.

(A) increase in the incidence of malaria caused by increasing mosquito resistance against

(B) increase in the incidence of malaria because of increasing resistance of mosquitoes to

(C) increasing malaria incidence because of increasing resistance of mosquitoes to

(D) incidence of malaria increase caused by increasing mosquito resistance againstB

(E) incidence of malaria increase because of increased mosquito resistance to

 

Why the answer is b not A??

沙发
发表于 2006-9-1 12:37:00 | 只看该作者

853, 补充-017

Choice A can be faulted because it is not at first clear whether caused by modifies increase or malaria. Also, the proper expression here and in choice D is not resistance against but resistance to. Choice C, D, and E are wrong because the completed sentence must read 30- to 40-fold increase. In these choices, 30- to 40-fold illogically modifies incidence; furthermore, incidence of … increase in D and E is illogical. Choice B is best. The question is a little easier than the average.

B中的意思是这种病增加了,是因为蚊子的的抗药力提高了

请LZ下载大全注释(置顶复习资料),或查阅置顶讨论连接,相信可以解决大部分问题,如仍然未能解决后发帖询问,并在标题中标明已查资料。感谢配合,预祝复习顺利!

板凳
发表于 2014-12-31 06:35:46 | 只看该作者

mosquito resistance against 应该是the resistance of mosquito to,所以缩小到B和C选项。
malaria incidence应该该做the incidence of malaria,所以答案选择B
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