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GRE阅读逻辑题训练(15)

2017-03-26 16:10:00来源：新东方在线整理

　　为了帮助大家练习GRE阅读逻辑题，新东方在线GRE频道为大家带来GRE阅读逻辑题训练(15)一文，希望对大家GRE备考有所帮助。更多精彩尽请关注新东方在线GRE频道!

　　The ratio of divorces to marriage has increased since 1940. Therefore, there must be a greater proportion of children living with only one natural parent than there was in 1940.

　　Which of the following, if true, most strongly weakens the inference drawn above?

　　A：The number of marriage entered into by women twenty-five to thirty-five years old has decreased since 1940.

　　B：When there is a divorce, children are often given the option of deciding which parent they will live with.

　　C：Since1940 the average number of children in a family has remained approximately steady and has not been subject to wide fluctuations.

　　D：Before 1940 relatively few children whose parents had both died were adopted into single-parent families.

　　E：The proportion of children who must be raised by one parent because the other has died has decreased since 1940 as a result of medical advance.

　　最佳解析：

　　这是一道标准的GRE Deduction的反对题，段落中Therefore体现了一个典型的因果关系的推理：divorce increase，children living with only one natural parent increase。问题目的为“weaken”，则应为反对上述推理使上述结论不成立。(A)未涉及推理主题。(B)体现不了孩子是否增加。(C)“the average number of children in a family”是与本题无关的新概念。(D)“adopted”指领养，而本题讨论对象是“natural parent”。(E)指出结论“children living with only one parent”还可能由“one parent die”导致，而由于“medical advance”，此种可能导致与单亲生活的孩子数减少，所以即使divorce increase，也未必导致上面结果。所以(E) is correct。

　　答案：E

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　　以上就是新东方在线GER频道为你带来的GRE阅读逻辑题训练(15)，更多精彩敬请关注新东方在线GRE频道。

本文关键字: GRE阅读难句 GRE阅读考点练习

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