关于两道改错题，求教

1、Relying on these metaphors, politicians and military commanders do not see, or do not to see, what these metaphors hide: the reality of pain and death, the long-term health effects for the injury , the psychological effect on veterans, not to mention the moral aspects of war. q`xc h[H  
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2、Perhaps all societies are significantly more advanced than our own have achieved an effective personal immortality and lose the motivation for interstellar gallivanting, which may, for all we know, be a typical urge only of adolescent civilizations. N@d~gE&^  
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本人认为第一题的for，第二题错的for all we know有问题，但附的答案却说第一题错的是the injury；第二题错的是are significantly more advanced。

难呢

我学习了 别怪我拿了流量！！！！！！

路过！！！！！！！！！！！！

有道理。

有点难

  我是来学习的

不错

打击了！木有看懂！