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, is
(E) in that they are composed of tissues such as tooth and bone, tissues
Only E, the best choice, clearly states that teratomas consist of tissues such as tooth and bone, and that such tissues are not normally found in the organ with the teratoma. Clear statement of this fact requires the repetition of tissues to establish the appositive--tissues normally found.... Without such repetition, A and B imprecisely state that the tooth and bone, as opposed to the tissues, are not normally found in the affected organ. Choices B and C alter the meaning with the use of like', that is, they suggest that the tissues are not tooth and bone, but only like them. The confused syntax of D states that their composition, not the tissues, is found in the organ....
搜索了以前的帖子，全没有问这个问题的，原来只有我一人不明白，郁闷~~~
请教og的这句解释是什么意思？Without such repetition, A and B imprecisely state that the tooth and bone, as opposed to the tissues, are not normally found in the affected organ.
感谢绿洲的回答，我也又理解了一下，这句话Without such repetition, A and B imprecisely state that the tooth and bone, as opposed to the tissues, are not normally found in the affected organ.直译就是“如果没有这样的重复，A和B就会不严密的表达牙齿和骨头，而不是组织，通常不是患病的器官”
请指正！
Without such repetition, A and B imprecisely state that the tooth and bone, as opposed to the tissues, are not normally found in the affected organ
如果没有这一重复，那么句子就不精确的state：是tooth & bone（而不是tissues）通常不在被影响的器官内被发现。
而实际上，原句想说: 这种Tissues，诸如Tooth and bone，通常不会在病变器官里找到－－>范围要比上一句大。
谁不会被发现？Tooth /bone ? 还是 包含（tooth 和 bone的）Tissues？
不过我也觉得这里OG解释很绕，理解不是很清楚，期待NN解答
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