GWD3 Q28 求解答

460226813 · 发表于 2012-8-19 15:02:18

（1） GWD-3-Q28:
The coyote is one of several recent ecological success stories: along with the white-tailed deer, the moose, and other species that are enlarging their natural domains, they have established themselves as supreme adapters in an era when the capability to adjust to the environmental changes wrought by human beings has created a whole new class of dominant large mammals.

A. they have established themselves as supreme adapters in an era when the capability

B. they have established themselves as being supreme adapters in an era when being able

C. it has established itself as a supreme adapter in an era when to be able

D. it has established itself as being a supreme adapter in an era when its ability

E. it has established itself as a supreme adapter in an era when the ability
正确答案是E C里的when to be able不好缺少主语这里我十分的不可理解。。。。怎么就缺少主语了呢什么意思啊

460226813 · 发表于 2012-8-19 15:02:42

求好心人路过

kyuadelehyun · 发表于 2012-8-19 15:19:32

呵呵，我刚看完这题，说一下愚见哈。when 引导状从，后面要有完整主谓结构，has created 是这句话的谓语，缺少主语，to be able（不定式）不能做主语的。

460226813 · 发表于 2012-8-19 15:26:28

哦~这样啊 To do sth is to do sth 请教一下是不是只有在这种情况下不定式才可以做主语呢其他情况下都不行是吧

kyuadelehyun · 发表于 2012-8-19 15:51:12

个人感觉啊，你参考一下，严格说to do 做主语的情况比较少见，To do sth is to do sth，这个结构这么用，本质上还是遵循了平行的原则。是不是只有这一种情况，我不敢断然的回答你，毕竟我不是什么牛牛，就是就我目前见到的题目还没有把 to do 是否做主语作为唯一考点的，肯定能用其他点像平行啊，主谓一致等等考点排除。

460226813 · 发表于 2012-8-19 16:42:58

恩谢啦头像不错哦

GWD3 Q28 求解答

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