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再问一题费费逻辑题,有点糊涂

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发表于 2010-5-24 19:10:05 | 只看该作者 回帖奖励 |倒序浏览 |阅读模式
9. Astronauts who experience weightlessness frequently get motion sickness. The astronauts see their own motion relative to passing objects, but while the astronauts are weightless their inner ears indicate that their bodies are not moving. The astronauts’ experience is best explained by the hypothesis that conflicting information received by the brain about the body’s motion causes motion sickness.



Which one of the following, if true, provides the strongest additional support for the hypothesis above?



A.During rough voyages ship passengers in cabins providing a view of the water are less likely to get motion sickness than are passengers in cabins providing no view.

B.Many people who are experienced airplane passengers occasionally get motion sickness.

C.Some automobile passengers whose inner ears indicate that they are moving and who have a clear view of the objects they are passing get motion sickness.

D.People who have aisle seats in trains or airplanes are as likely to get motion sickness as are people who have window seats.

E.Some astronauts do not get motion sickness even after being in orbit for several days.



选A。怎么理解的?C怎么排除的

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沙发
发表于 2010-5-26 16:17:46 | 只看该作者
motion sickness是由于大脑接受信息的冲突造成的。因为飞行员事实上是在动,而大脑暗示他你没动。
A。看海的人接受到的信息是人跟着船在动,不看海的人在船内感觉不到动,而事实上他们在动。正确
C有些飞行员脑中暗示他们在移动,而他们得了这种病。削弱
板凳
发表于 2010-5-26 17:26:06 | 只看该作者
宇航员的motion sickness是因为 飞船在动 而人没有动 所以inner ears 产生错觉,产生motion sickness。所以关键就是发现在什么情况下“人的小耳告诉我们我们没有动,而实际上我们在动”就是答案了。在船上人们在动,但是我们的小耳告诉我们我们其实是没有动的。所以A对。 C错在inner ears indicate that they are moving,这和原文是矛盾的。
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