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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。

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