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标题: 关于同类事物和同样事物的对比~求大牛 [打印本页]

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作者: yangmars    时间: 2011-7-19 10:54
标题: 关于同类事物和同样事物的对比~求大牛

96. (29547-!-item-!-188;#058&004302)energy和economy的对比

There are hopeful signs that we are shifting away from our heavy reliance on fossil fuels: morethan ten times as much energy is generated through wind power now than it was in 1990.    

(A) generated through wind power now than it was

(B) generated through wind power now as it was

(C) generated through wind power now as was the case

(D) now generated through wind power as it was

(E) now generated through wind power than was the case

此题中，1990年的energy跟现在的energy不是同一个，所以不能用it来指代，而必须用the case，

然后还有道题目，大家不知道记得不，现在的economy是十年前的两倍，然后答案用的是than  it was ten years ago。这里的十年前的economy用的是it来指代.

所以我想问的是，怎么能知道十年前的economy跟现在的economy就是同一个东东，而energy十年的，跟现在的就不一样了，这样的词性怎么区分啊？？？请求大牛指点！！！！

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作者: yangmars    时间: 2011-7-20 21:49
自己顶

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