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GRE阅读逻辑题训练(28)

2017-03-28 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(28)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!

  Statistics over four consecutive years showed that four percent more automobile accidents happened in California during the week following the switch to daylight saving time and during the week following the switch back to standard time than occurred the week before each event. These statistics show that these time changes adversely affect the alertness of California drivers.

  The conclusion in the argument above is based on which of the following assumptions?

  A:Drivers in California as well as those in the rest of the United States have similar driving patterns.

  B:The observed increases in accident rates are due almost entirely to an increase in the number of minor accidents.

  C:Four years is not a sufficiently long period of time over which to judge the phenomenon described.

  D:There are no other factors such as school vacations or holiday celebrations that cause accident rates to rise during these weeks.

  E:A time change at any other time of year would not produce a similar increase in accident rates.

  最佳解析:

  本题推理为:“夏令时改变的周里车祸增加了,所以时间的改变影响了加州司机的注意力”。推理用时间改变影响alertness来解释了上述车祸增加的事实。但推理要想成立,必须基于假设“没有其他可能的原因解释为什么车祸增加了。”(A)说明不了任何问题。(B)与上述推理无关。(C)是一个很好的反对,认为四年并不是够长来评价上述推理。(D)指出没有其他导致车祸增加的因素存在,最好说明了没有其他原因的目的。因为车祸增加完全可能是由节日庆祝或学校放假导致的,要想说明时间改变影响司机注意力是原因就必须否决这些因素的存在,(D)is correct。(E)只能从某种角度上起到反对作用。

  答案:D

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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(28),更多精彩敬请关注新东方在线GRE频道。

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