In a spaceship astronauts can_______ 查看材料A.walk j
In a spaceship， astronauts can_______ 查看材料
A.walk just as they do on the earth
B.not eat anything because it’s dangerous
C.control the spaceship when they are sleeping
D.not litter small things or it will make trouble
请帮忙给出正确答案和分析，谢谢！
参考解答
406***108
2024-12-26 09:17:35
正确答案：D
推理判断题。可以用排除法。在宇宙中，由于失重，宇航员不可能像在地球上一样行走，所以A不对。因为食物也像宇航员一样失重，吃东西就会变得非常困难，而不存在危险，所以B也不对。为了防止在睡眠中不小心触摸控制键，宇航员要将双手放在安全带下，因此他睡着的时候是不能控制宇宙飞船的，这样C也排除了。为了防止小东西由于失重飞到人眼睛里或机械中，宇航员是不能到处乱扔东西的，所以只有D是正确的。
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