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GMAT逻辑假设题练习题四

2018-06-11 16:23:00 来源:网络GMAT资料下载

  想要更充分的备考GMAT逻辑,大家还是需要对考试中出现的各种题型有一个比较全面的认识。因此新东方在线GMAT频道就为大家整理了一些题型,供大家参考练习。

点击查看》》》【GMAT逻辑题型讲义汇总】

  10.(Z)Frobisher, a sixteenth-century English explorer, had soil samples from Canada’s Kodlunarn Island examined for gold content. Because high gold content was reported, Elizabeth I funded two mining expeditions. Neither expedition found any gold there. Modern analysis of the island’s soil indicates a very low gold content. Thus the methods used to determine the gold content of Frobisher’s samples must have been inaccurate.

  Which of the following is an assumption on which the argument depends?

  A. The gold content of the soil on Kodlunarn Island is much lower today than it was in the sixteenth century.

  B. The two mining expeditions funded by Elizabeth I did not mine the same part of Kodlunarn Island.

  C. The methods used to assess gold content of the soil samples provided by Frobisher were different from those generally used in the sixteenth century.

  D. Frobisher did not have soil samples from any other Canadian island examined for gold content.

  E. Gold was not added to the soil samples collected by Frobisher before the samples were examined.

  11.(Z)In Kravonia, the average salary for jobs requiring a college degree has always been higher than the average salary for jobs that do not require a degree. Current enrollments in Kravonia’s colleges indicate that over the next four years the percentage of the Kravonian workforce with college degree will increase dramatically. Therefore, the average salary for all workers in Kravonia is likely to increase over the next four years.

  Which of the following is an assumption on which the argument depends?

  A. Kravonians with more than one college degree earn more, on average, than do Kravonians with only one college degree.

  B. The percentage of Kravonians who attend college in order to earn higher salaries is higher now than it was several years ago.

  C. The higher average salary for jobs requiring a college degree is not due largely to a scarcity among the Kravonian workforce of people with a college degree.

  D. The average salary in Kravonia for jobs that do not require a college degree will not increase over the next four years.

  E. Few members of the Kravonian workforce earned their degrees in other countries.

  12(Z).In the years following an eight-cent increase in the federal tax on a pack of cigarettes, sales of cigarettes fell ten percent. In contrast, in the year prior to the tax increase, sales had fallen one percent. The volume of cigarette sales is therefore strongly related to the after-tax price of a pack of cigarettes.

  The argument above requires which of the following assumptions?

  A. During the year following the tax increase, the pretax price of a pack of cigarettes did not increase by as much as it had during the year prior to the tax increase.

  B. The one percent fall in cigarette sales in the year prior to tax increases was due to a smaller tax increase.

  C. The pretax price of a pack of cigarettes gradually decreased throughout the year before and the year after the tax increase.

  D. For the year following the tax increase, the pretax price of a pack of cigarettes was not eight or more cents lower than it had been the previous year.

  E. As the after-tax price of a pack of cigarettes rises, the pretax price also rises.

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