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Scientists believe that unlike the males of most species of moth, the male whistling moths of Nambung, Australia, call female moths to them by the use of acoustical signals, but not olfactory ones, and they attract their mates during the day, rather than at night.

正确答案: D

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gwd-tn-24-q27,求助

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楼主
发表于 2009-8-20 12:34:00 | 只看该作者

gwd-tn-24-q27,求助

Scientists believe that unlike the males of most species of moth, the male whistling moths of Numbing, Australia, call female moths to them by the use of acoustical signals, but not olfactory ones, and they attract their mates during the day, rather than at night.

A.    by the use of acoustical signals, but not olfactory ones, and they attract

B.    by the use of acoustical signals instead of using olfactory ones, and attracting

C.    by using acoustical signals, not using olfactory ones, and by attracting

D.    using acoustical signals, rather than olfactory ones, and attract

E.     using acoustical signals, but not olfactory ones, and attracting

答案 d

觉得d怪怪的,the male whistling moths of Numbing, Australia, call female moths to them 后面直接一个using是作何解啊?

沙发
发表于 2009-8-20 14:27:00 | 只看该作者
伴随表方式啊!
板凳
 楼主| 发表于 2009-8-20 20:39:00 | 只看该作者
总觉得这种using的表达方式没有by the use of 好呢?
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