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标题: GMATPrep Software 语法 so..as to VS. so...that [打印本页]

作者: kiisakent 时间: 2011-12-6 11:06
标题: GMATPrep Software 语法 so..as to VS. so...that
希望有人可以帮助我理解一下so...as to 和so... that的区别和用法。GMATPrep Software上面有一道题如下：

Often major economic shifts are so gradual as to be indistinguishable at first from ordinary fluctuations in the financial markets.

划线部分就是正确答案，但是我错选了so gradual that they are unable to be distinguished.

先谢谢大家啦~

作者: GJane 时间: 2011-12-6 14:54
so...as to仅用于简单的系表结构中，且结果状语主语与主句主语要一致（本题主语都是major economic shifts）
so...that用于其他一切结构，不用从句和主句主语一致
若既能用so...as to又能用so...that，同时正确则选so...as to因为较简洁
so...as to机构不能倒装，而so/such...that句型中so/such在句首，主句要部分倒装

作者: fdrandom 时间: 2011-12-6 16:29
be (un)able to be done不好，几乎都是错的

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