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作为一名航天员,要经受什么考验?
离心机训练,他们要体验8个G的压力,感觉仿佛身上站着一头大象。他们手边有一个红色按钮,按下它就可以暂停训练,但二十年来没有一个人碰过。震动训练,他们身上的每一处肌肉、每一块骨头都在剧烈震颤,仿佛时时刻刻在被人用力击打。
野外生存训练,他们要在沙漠、雨林等各种无人区露营,在补给有限的情况下生存下去......上百项课程和训练,无休无止的考核,和家人分离的辛酸......然而,每一位中国航天员,不论有没有进入太空,他们都初心不改,矢志不渝。