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Among people who experience migraine headaches, some experience what doctors call "common" migraines, whereas others experience "classical" migraines. Siblings and spouses of common migraine sufferers are themselves twice as likely as the general population to experience common migraines. Siblings of classical migraine sufferers are four times more likely than the general population to experience classical migraines, whereas spouses of classical migraine sufferers are no more likely than the general population to experience such headaches.

The information above provides the most support for which of the following hypotheses?

正确答案: A

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发表于 2013-9-8 21:14:43 | 只看该作者 回帖奖励 |倒序浏览 |阅读模式
                                    Among people who experience migraine headaches, some experience what doctors call "common" migraines, whereas others experience "classical" migraines. Siblings and spouses of common migraine sufferers are themselves twice as likely as the general population to experience common migraines. Siblings of classical migraine sufferers are four times more likely than the general population to experience classical migraines, whereas spouses of classical migraine sufferers are no more likely than the general population to experience such headaches.

The information above provides the most support for which of the following hypotheses?                                    
                                    
  • ASusceptibility to classical migraines is more dependent on hereditary factors than is susceptibility to common migraines.
  • BUnmarried adults are more likely to suffer from classical migraines than they are to suffer from common migraines.
  • CPeople who do not experience migraine headaches are unlikely to have spouses who are migraine headache sufferers.
  • DChildren of people who suffer from common migraines are not more likely than the general population to experience a common migraine.
  • EBetween one-quarter and one-half of the general population suffer from either common or classical migraine headaches.


我明白A是对的,只是对B有些疑义,没结婚的是不是应该等同于Siblings的范畴即Siblings and spouses of common migraine sufferers are themselves twice as likely as the general population to experience common migraines. Siblings of classical migraine sufferers are four times more likely than the general population to experience classical migraines。
也就是说more likely to suffer from classical migraines than they are to suffer from common migraines。

所以B应该也OK的吧,除非我把nmarried adults等同于Sibling是错的。

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