Roland: The alarming fact is that 90 percent of the people in this country now report that they know someonewho is unemployed.
Sharon:But a normal，moderate level of unemployment is 5 percent,with one out of 20 workers unemployed.
So at any given time if a person knows approximately 50 workers , one or more will very likely be unemployed.
Sharon's argument relies on the assumption that
(A)normal levels of unemployment are rarely exceeded
(B)unemployment is not normally concentrated in geographically isolated segments of the population
(C)the number of people who each knows ome one who is unemployed is always higher than 90 percent of the population
(D)Roland is not consciously distorting the statistics he presents
(E)knowledge that a personal acquaintance is unemployed generates more fear of losing one's job than does knowledge of unemployment statistics
这道题该怎么思考呢··？逻辑链以及推理的gap在哪里啊..???
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发表于 2011-10-26 22:57:41
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