分析 本文是说明文,本文通过举例说明了太空生活的奇妙,在太空睡觉时,对宇航员来说主要的挑战在于恰当的睡眠姿势;宇航员在一个地方运动久了会出现碳毒性头痛,宇航员的大脑接收到矛盾的信息时会感到恶心.最后告诉我们美国国家宇航局对宇航员主要的担心是宇航员回家后的修养期和任何在太空长久地保持健康.
解答 63.A 细节理解题.根据第二段第一、二句"First consider something as simple as sleep.Its position presents itsown challenges."可知在太空睡觉时,对宇航员来说主要的挑战在于恰当的睡眠姿势.故选A项.
64.C 细节理解题.根据第三段中"But station residents have to be careful aboutstaying in one place too long.…You can end up with what astronauts call acarbon-dioxide headache"可知宇航员在一个地方运动久了会出现碳毒性头痛.故选C项.
65.D 细节理解题.根据第四段中"Your inner ear thinks you're failing.Meanwhileyour eyes are telling you you're standing straight.That can be annoying-that'swhy some people feel sick."可知宇航员在大脑接收到矛盾的信息时会感到恶心.故选D项.
66.B 细节理解题.根据最后一段倒数第一、二句"The focus on fitness is as much about science andthe future as is about keeping any individual astronaut healthy…NASA is worriedabout two things:…and,more importantly,how maintain strength and fitness…"可知美国国家宇航局对宇航员主要的担心之一是如何在太空长久地保持健康.故选B项.
点评 解答细节理解题时,一个常用的方法就是运用定位法,即根据题干和选项中的关键词从原文中找到相关的句子,与选项进行比较从而确定答案;推理判断题既要求学生透过文章表面文字信息推测文章隐含意思,又要求学生对作者的态度、意图及文章细节的发展作正确的推理判断,力求从作者的角度去考虑,不要固守自己的看法或观点.
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