208, Teratomas are unusual forms of cancer because they are composed of tissues such as tooth and bone not normally found in the organ in which the tumor appears. A. because they are composed of tissues such as tooth and bone B. because they are composed of tissues like tooth and bone that are C. because they are composed of tissues, like tooth and bone, tissues D. in that their composition, tissues such as tooth and bone, tissues E. in that they are composed of tissues such as tooth and bone, tissues 答案是E, 我觉得a也挺对对的啊。。。。。求教。。。。。 -- by 会员 chinasharon (2011/3/23 13:51:59)
A比B好，因为B的that are多余了，让人产生疑惑，
C中 , like tooth and bone, 有点不太爽的感觉，先放着
D中composition和后面的tissues对应不好，干掉
E感觉还行，
总之，后面的tissues与前面的tissues对应，感觉说的更加清晰，从另外一个角度说，not normally found in the organ in which the tumor appears.紧跟在bones后面容易产生歧义，先排除A，
CE开比的话，C的“ , like tooth and bone, ”感觉没有“such as tooth and bone, ”好，所以选E | 
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发表于 2011-3-23 13:51:59
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