Martha’ s friend, who is very knowledgeable about edible flowers, told Martha that there are no edible daisies, at least not any

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问题 Martha’ s friend, who is very knowledgeable about edible flowers, told Martha that there are no edible daisies, at least not any that are palatable. Martha, however, reasons that since there are daisies that are a kind of chrysanthemum and since there are edible chrysanthemums that are quite palatable, what her friend told her must be incorrect. Which one of the following has a flawed pattern of reasoning most like that in Martha’ s reasoning?

选项 A、Jeanne is member of the city chorus, and the city chorus is renowned. So Jeanne is an excellent singer.
B、Rolfe belongs to the library reading group, and all members of that group are avid readers. So Rolfe is an avid reader.
C、Some of Noriko’ s sisters are on the debate team, and some members of the debate team are poor students. So at least one of Noriko’s sisters must be a poor student.
D、Most of Leon’ s friends are good swimmers, and good swimmers are quite strong. So it is likely that at least some of Leon’s friends are quite strong.
E、Many of Teresa’s colleagues have written books. Most of the books they have written are on good writing. So some of Teresa’s colleagues are good writers.

答案C

解析 某一整体的两个组成部分之间并不一定有交集,某种雏菊属于菊花,但并不是所有的菊花都味美可口,因此很难推出这种雏菊味美可口。同样,在不是论述小组的所有成员都是差生的情况下,很难推出隶属于这个有差生的小组的某个成员是差生,因此(C)的推理模式缺陷与Martha的最为接近,(A)、(B)、(D)和(E)四选项的推理方式都正确。
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