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GMAT逻辑解释题练习题一

2018-06-24 18:02:00 来源:网络GMAT资料下载

  备考GMAT逻辑部分,大家可以从题型入手,针对不同的题型,做不同的模拟练习。这样能够辅助大家更好地来完成不同题型的备考。新东方在线托福网为大家整理了相关的内容,供大家参考复习。

点击查看》》》【GMAT逻辑题型讲义汇总】

  1. (Z)In order to withstand tidal currents, juvenile horseshoe crabs frequently burrow in the sand. Such burrowing discourages barnacles from clinging to their shells. When fully grown, however, the crabs can readily withstand tidal currents without burrowing, and thus they acquire substantial populations of barnacles. Surprisingly, in areas where tidal currents are very weak, juvenile horseshoe crabs are found not to have significant barnacle populations, even though they seldom burrow.

  Which of the following, if true, most helps to explain the surprising finding?

  A. Tidal currents do not themselves dislodge barnacles from the shells of horseshoe crabs.

  B. Barnacles most readily attach themselves to horseshoe crabs in areas where tidal currents are weakest.

  C. The strength of the tidal currents in a given location varies widely over the course of a day.

  D. A very large barnacle population can significantly decrease the ability of a horseshoe crab to find food.

  E. Until they are fully grown, horseshoe crabs shed their shells and grow new ones several times a year.

  2(Z)A diet high in saturated fats increases a person’s risk of developing heart disease. Regular consumption of red wine reduces that risk. Per-capita consumption of saturated fats is currently about the same in France as in the United States, but there is less heart disease there than in the United States because consumption of red wine is higher in France. The difference in regular red-wine consumption has been narrowing, but no similar convergence in heart-disease rates has occurred.

  Which of the following, if true, most helps to account for the lack of convergence noted above?

  A. Consumption of saturated fats is related more strongly to the growth of fatty deposits on artery walls, which reduce blood flow to the heart, than it is to heart disease directly.

  B. Over the past 30 years, per-capita consumption of saturated fats has remained essentially unchanged in the United States but has increased somewhat in France.

  C. Reports of the health benefits of red wine have led many people in the United States to drink red wine regularly.

  D. Cigarette smoking, which can also contribute to heart disease, is only slightly more common in France than in the United States.

  E. Regular consumption of red wine is declining dramatically among young adults in France, and heart disease typically does not manifest itself until middle age.

  以上就是关于“GMAT逻辑解释题练习题一”,更多精彩内容,请关注新东方在线GMAT频道!


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