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标题: [求助]请问关于so as to 和so that 的区别 [打印本页]

作者: fairy_dc 时间: 2009-9-6 19:59
标题: [求助]请问关于so as to 和so that 的区别

Climatic shifts are so gradual as to be indistinguishable at first from ordinary fluctuations in the weather.

A）so gradual as to be indistinguishable

B）so gradual they can be indistinguishable

C）so gradual that they are unable to be distinguished

D）gradual enough not to be distinguishable

E）gradual enough so that one cannot distinguish them

选A，请问此题如何解释

[此贴子已经被作者于2009/9/6 20:08:43编辑过]

作者: nvidia_hsu 时间: 2009-9-6 21:51
只能说be able/unable to be done错得更厉害

作者: lyz8710 时间: 2009-9-6 22:51

最简洁

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