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标题: 250-17 [打印本页]

作者: hjgjfgfb    时间: 2006-11-9 06:59     标题: 250-17

250-17

There has been a 30 to 40 fold increase in the incidence of malaria caused by increasing mosquiito resistence  against pesticides.

A) Increase in the incidence of malaria caused by increasing mosquiito resistence against

B)   increase in the incidence of malaria because of increasing resistence of mosquitos to

答案是B 我想問的是A為什麼不對  謝謝


作者: trifling    时间: 2006-11-9 19:47

caused by修饰的是前面的malaria,有歧义吧。
作者: sunjack    时间: 2006-11-10 07:51

resistence  against  语意重复





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