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求助 FeiFei逻辑 第102题 谢谢啦~

The brains of identical twins are genetically identical. When only one of a pair of identical twins is a schizophrenic, certain areas of the affected twin’s brain are smaller than corresponding areas in the brain of the unaffected twin. No such differences are found when neither twin is schizophrenic. Therefore, this discovery provides definitive evidence that schizophrenia is caused by damage to the physical structure of the brain.

102. Which one of the following is an assumption required by the argument?

(A) The brain of a person suffering from schizophrenia is smaller than the brain of anyone not suffering from schizophrenia.

(B) The relative smallness of certain parts of the brains of schizophrenics is not the result of schizophrenia or of medications used in its treatment.

(C) The brain of a person with an identical twin is no smaller, on average, than the brain of a person who is not a twin.

(D) When a pair of identical twins both suffer from schizophrenia, their brains are the same size.

(E) People who have an identical twin are no more likely to suffer from schizophrenia than those who do not.

答案是B,不过后面的讲解不是很清楚,希望大牛们能讲解一下,谢谢~
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多谢啦,不过你好像漏看了B项的词哦

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我怎么觉得段落说的是脑子结构损坏造成的schizophernia?跟楼上刚好相反。。
...schizophrenia is caused by damage to the physical structure of the brain...

选项b应该是说大脑大小变化不由schizophernia或药物导致吧?
The relative smallness of certain parts of the brains of schizophrenics is not the result of schizophrenia or of medications...

因为得病的人脑子小不是由病造成的,所以可能是脑子小导致得病,b符合arguement。。

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原题的意思是,因为双胞胎的大脑是完全一样的,
但是发现如果双胞胎中其中一个患schizophernia,
则这个患shizophernia的脑子就会比另外一个小,
所以我们得出结论,shizophernia会改变人的脑子的结构

B项说明,这个大脑的变化不是由于药物治疗的导致的,而是完全由于shizophernia这个疾病造成的
完成了支持argument的作用

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