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GRE阅读逻辑题训练(62)

2017-04-03 09:15:00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(62)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!

  Geological and historical evidence shows that earthquake in the eastern United States can be as powerful as those in California and can strike a much larger area. An eastern earthquake will jolt an area 100 times greater than the area that would be affected by a California quake of comparable magnitude.

  Which of the following, if true, most helps to explain the difference described above in the size of the affected areas?

  A:Buildings in the eastern United States are typically older than those in California and will therefore suffer far greater damage in the event of a major earthquake.

  B:The crust of the Earth in California, compared to that in the eastern United States, has a greater abundance of faults that absorb the shock waves of an earthquake as they travel outward from the epicenter.

  C:Several of the most powerful and extensive earthquake that have occurred in the United States were centered somewhere in the eastern United States.

  D:Since major earthquake have occurred far less frequently and regularly in the eastern United States than in California, it is harder to predict when the next major eastern quake might strike.

  E:The causes of earthquakes in California are better understood than those of earthquakes in the eastern United States.

  最佳解析:本题目的为解释为什么“相同震级下东部地区的地震影响区域是加州的100倍”。显然应寻找同时涉及“in the eastern United States”和“California”的选项。(A)指出相同震级下,东部由于建筑物老所以遭受破坏大,破坏的大小不能解释面积的大小。(B)读者都知道,地震波是从震中以一道横波一道纵波向外传递的,其传递得越远,影响区域越大,而波的传递是消耗能量的,而加州的地壳有丰富的faults,可以吸收地震波,所以影响区域没有东部大,所以(B)is correct。(C)(D)(E)均起不到解释的效果。

  答案:B

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