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For similar cars and drivers, automobile insurance for collision damage has always cost more in Greatport than in Fairmont. Police studies, however, show that cars owned by Greatport residents are, on average, slightly less likely to be involved in a collision than cars in Fairmont. Clearly, therefore, insurance companies are making a greater profit on collision-damage insurance in Greatport than in Fairmont.

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

正确答案: A

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GWD9-24这道题目竟然没人问过!

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楼主
发表于 2007-11-2 16:53:00 | 显示全部楼层
以下是引用grad1204在2006-12-27 18:59:00的发言:

如果题目问的是"下列哪一项, 如果是对的, 可加强结论", 则C可以.

反过来想, 即使两个城市的居民汇报的可能性是一样的(即C不成立), 仍可得出结论. 所以C是错的.

个人理解:C是削弱,不是加强。

实际上C正是我们可以攻击原文推理过程的一个点。因此,C的对立面可以成为答案。

请指正!

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