1.有这样一道题，说Reptiles, by drawing their body heat directly from the Sun rather than burning calories to generate it, can survive on ten percent of the nourishment that a mammal of similar size would normally require. 个人觉得这个it用的很不合适，明明指代歧义，sun和body heat，所以瞬间秒杀掉了这个选项，结果。。。我被秒杀了。。。
2.In 1994 the white house named Dr RuthR. Faden chairperson of the federal advisory committee of experts it assigned to do a report on the history and ethics of the government’s radiation experiments on humans in the 1950’s and 1960’
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发表于 2011-7-13 11:52:13
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