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2007年GMAT考试最新逻辑推理试题训练二十七

时间:2011-09-15来源:liuxuepaper.Com栏目:Essay作者:作文地带整理 英语作文收藏:收藏本文
作文地带导读:2007年GMAT考试最新逻辑推理试题训练二十七……
作文地带导读:2007年GMAT考试最新逻辑推理试题训练二十七……

  TEST 20

  25 Minutes 16 Questions

  1. In the first half of this year, from January to June, about three million videocassette recorders were sold. This number is only 35 percent of the total number of videocassette recorders sold last year. Therefore, total sales of videocassette recorders will almost certainly be lower for this year than they were for last year.

  Which of the following, if true, most seriously weakens the conclusion above?

  (A) The total number of videocassette recorders sold last year was lower than the total number sold in the year before that.

  (B) Most people who are interested in owning a videocassette recorder have already purchased one.

  (C) Videocassette recorders are less expensive this year than they were last year.

  (D) Of the videocassette recorders sold last year, almost 60 percent were sold in January.(E)

  (E) Typically, over 70 percent of the sales of videocassette recorders made in a year occur in the months of November and December.

 

  2. Mud from a lake on an uninhabited wooded island in northern Lake Superior contains toxic chemicals, including toxaphene, a banned pesticide for cotton that previously was manufactured and used, not in nearby regions of Canada or the northern United States, but in the southern United States. No dumping has occurred on the island. The island lake is sufficiently elevated that water from Lake Superior does not reach it.

  The statements above, if true, most strongly support which of the following hypotheses?

  (A) The waters of the island lake are more severely polluted than those of Lake Superior.

  (B) The toxaphene was carried to the island in the atmosphere by winds.

  (C) Banning chemicals such as toxaphene does not aid the natural environment.

  (D) Toxaphene has adverse effects on human beings but not on other organisms.(B)

  (E) Concentrations of toxaphene in the soil of cotton-growing regions are not sufficient of be measurable.

 

  3. Last year in the United States, women who ran for state and national offices were about as likely to win as men. However, only about fifteen percent of the candidates for these offices were women. Therefore, the reason there are so few women who win elections for these offices is not that women have difficulty winning elections but that so few women want to run.

  Which of the following, if true, most seriously undermines the conclusion given?

  (A) Last year the proportion of women incumbents who won reelection was smaller than the proportion of men incumbents who won reelection.

  (B) Few women who run for state and national offices run against other women.

  (C) Most women who have no strong desire to be politicians never run for state and national offices.

  (D) The proportion of people holding local offices who are women is smaller than the proportion of people holding state and national offices who are women.(E)英语作文
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