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标题: lsat ,thanks [打印本页]

作者: zephyr1977    时间: 2002-9-17 17:19     标题: lsat ,thanks

22. It is illogical to infer a second and different effect from a cause which is known only by one particular effect. This is incorrect because the inferred effect must necessarily be produced by some different characteristic of the cause than is the observed effect, which already serves entirely to describe the cause.

Which one of the following arguments makes the same logical error as the one described by the author in the passage?

(A) An anonymous donor gave a thousand dollars to our historical society. I would guess that that individual also volunteers at the children’s hospital.

(B) The radioactive material caused a genetic mutation, which, in turn, caused the birth defect. Therefore, the radioactive material caused the birth defect.

(C) The tiny, unseen atom is the source of immense power. It must be its highly complex structure that produces this power.

(D) The city orchestra received more funds from the local government this year than ever before. Clearly this administration is more civic-minded than previous ones.

(E) If I heat water, which is a liquid, it evaporates. If I heat hundreds of other liquids like water, they evaporate. Therefore, if I heat any liquid like water, it will evaporate
为什么选A?
请问GMAT中会有这种题型吗,谢谢

另外,上次在论坛中看到的关于禁止在火车上喝酒因为抽烟禁止的那题,正确答案为E,不是B,找不到那个帖子了,记得当时争论为何是B不是E.[em13][em13][em13][em13]
作者: tongxun    时间: 2002-9-17 17:25

GMAT中不考这种题。
本题犯的逻辑错误跟提干中:This is后描述一样,再感觉感觉。




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