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本题由chris提供
2204 次学习

Roland: The alarming fact is that 90 percent of the

people in this country now report that they know someone who is unemployed.

Sharon: But a normal, moderate level of unemployment is 5 percent, with 1 out of 20 workers unemployed. So at any given time if a person knows approximately 50 workers, 1 or more will very be unemployed.

Sharon's argument is structured to lead to which of the following as a conclusion?


    A. The fact that 90% of the people know someone who is unemployed is not an indication that unemployment is abnormally high.

    B. The current level of unemployment is not moderate.

    C. If at least 5% of workers are unemployed, the result of questioning a representative group of people cannot be the percentage Roland cites.

    D. It is unlikely that the people whose statements Roland cites are giving accurate reports.

    E. If an unemployment figure is given as a certain percent, the actual percentage of those without jobs is even higher.


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答案:
A
R:90%人认
失业者 S:正常情况,适中的失业率为5%,20人里一人失业。这样如果一个人认识50人,1人或以上失业的概率很大 结论题,根据S的推理得结论 (A) 90%的人认识失业的人不能说明失业率高;正确 (B) 目前失业率不是适中的;无根据推理,排 (C) 如果至少5%人失业,结果不可能是R所引用的比例;无根据推理,排 (D) R引用的人报告是不精确的;无根据推理,排 (E) 如果失业数字是一个比例,实际失业率会更高;无根据推理,排

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