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标题: 请教OG208 [打印本页]

作者: xdrertty    时间: 2004-12-2 07:34     标题: 请教OG208

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, 我选的是B, 我觉得E选项tissues后面少了一个being, :, tissues not normally being found in the organ in which the tumor appears.


作者: himba    时间: 2004-12-2 07:35

这里不需要being,因为found 已有被动意思。
作者: xdrertty    时间: 2004-12-4 10:05

以下是引用himba在2004-12-2 7:35:00的发言: 这里不需要being,因为found 已有被动
可是being found还是很常见阿,难道大家都错了吗




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