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GRE阅读逻辑题训练(34)

2017-03-29 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(34)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 percentage of people between the ages of 18 and 24 living with their parents increases from 48 percent in 1980 to 53 percent in 1986. It can be concluded that in 1986 it was harder for people in this age group to afford to live by themselves.

  The conclusion drawn in the passage above depends on which of the following assumptions?

  A:People in this age group who could not afford people their own age to living with their parents.

  B:There are people in this age group who, if they could have afforded to do so , would have chosen to live by themselves, rather than with their parents.

  C:People in this age group who lived with their parents did not make any financial contribution toward housing expenses.

  D:The number of rental housing units suitable for single people dropped between 1980 and 1986.

  E:There are people in this age group who, although they lived with their parents at the time of survey, had previously lived alone.

  最佳解析:

  本题推理为:“由18岁到24岁与父母居住的百分比增加了,得到这个年龄组的人一定自己难以养活自己。”事实是与父母居住的年轻人比率增加,得到年轻人难以自己养活自己是对这个事实做了说明,如果用“排除他因”型作为假设,应当为“除了他们难以养活自己这个原因外,没有其他原因了。”而如果以“无此因无此果”型作为假设,应当为“如果他们能够养活自己,与父母居住的百分比就不增加”。而本题(B)选项说明了这种假设,所以(B)is correct。读者体会这种假设的使用。 上面已经说过,这种假设在近年考试中罕见,但在支持题型中却屡见不鲜,下面本书举出几个在support题型中这种结构的应用。

  答案:B

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