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.
885 1道题: S17-19 19.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, is (E) in that they are composed of tissues such as tooth and bone, tissues
Why the answer is (E) ,没有人觉得E这句话理顺的话如下：Teratomas are unusual forms of cancer in that they are composed of tissues such as tooth and bone, tissues not normally found in the organ in which the tumor appears.
"such as" and "like" are not interchangeable, answers B and C are eliminated. In D subject-verb agreement rule is violated, as for A it seems only "bone" is midified by the following clause. E must be correct I think. in addition, a needs an "," . right?
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发表于 2010-9-29 09:59:17
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