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：c作者: zhongyaya 时间: 2010-8-27 06:58
我这这样理解的:
Researchers have questioned the use of costly and experimental diagnostic tests to identify food allergies, such as to [identify] milk, that supposedly disrupt normal behavior.作者: zhongyaya 时间: 2010-8-28 16:31
那为什么一定要有to呢。。作者: williams 时间: 2010-9-3 06:49
allergy to milk作者: judyenglishS 时间: 2010-9-7 20:45
这个才是正解!作者: zhongyaya 时间: 2010-9-8 06:45
啊明白啦！谢谢啦~
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