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Industrial accidents are more common when some of the people in safety-sensitive jobs have drinking problems than when none do. Since, even after treatment, people who have had drinking problems are somewhat more likely than other people to have drinking problems in the future, any employer trying to reduce the risk of accidents should bar anyone who has ever been treated for a drinking problem from holding a safety-sensitive job.

Which of the following, if true, most seriously undermines the argument above?

正确答案: C

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请教逻辑狗中一道GWD原题

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楼主
发表于 2010-2-1 15:04:12 | 显示全部楼层
请注意some,一般有some的选项都需要谨慎

E 说一些是由机器引起的。
那么老板们开除那些酗酒的,还是能降低 “另一些” 因为工人酗酒的问题而引发的事故,所以不能削弱原结论
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