verbal 2nd 80

啦啦噜啦啦 · 发表于 2013-5-4 16:21:04

80. 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
(C) a condition when it is present and indicate that it is present
(D) when a condition is present and indicate its presence
(E) the presence of a condition when it is there and indicate its presence

Answer is C.
语法点懂了，就是不知道这句话在说什么？？

bejamin1111 · 发表于 2013-5-4 17:52:40

当疾病状态存在时，一些医疗检测有时候检测不出来，而当疾病状态不存在时，反而检测出有问题。

verbal 2nd 80

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