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Sec 13-14
14.Researchers have questioned the use of costly and experimental diagnostic tests to identify food allergies, such as milk, that supposedly disrupt normal behavior.
(A) to identify food allergies, such as
(B) to identify food allergies, like
(C) to identify food allergies, such as to
(D) for identifying food allergies, like that of
(E) for identifying food allergies, such as for
答案是C。为什么不是a呢？我觉得更简洁一些，还用to 吗 ？
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发表于 2006-1-25 09:36:00
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