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标题: [求助]OG10-83 [打印本页]

作者: yukee820 时间: 2007-8-16 04:02
标题: [求助]OG10-83

83. Any medical test will sometimes fail to detect a condition when it is present and indicate that there is one when it is not.

(A) a condition when it is present and indicate that there is one

(B) when a condition is present and indicate that there is one

(D) when a condition is present and indicate its presence（C）

(E) the presence of a condition when it is there and indicate its presence

这道题我用parallelism来做，然后选的E。

请牛人帮我解释一下E为什么不对阿？

非常感谢！！！

[此贴子已经被作者于2007-8-16 12:56:47编辑过]

作者: ansonzeng 时间: 2007-8-16 08:04

作者: yukee820 时间: 2007-8-16 13:01

按照我的想法,E中也可以用it指代condition.

detect the presence of a condition when it(condition) is there and indicate its presence when it (condition) not there.

对仗非常工整啊!

我还是没明白E为什么错.

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