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Even intelligent life on earth couldn’t send radio waves half a century ago. So
Even intelligent life on earth couldn’t send radio waves half a century ago. So
游客
2024-02-12
46
管理
问题
Even intelligent life on earth couldn’t send radio waves half a century ago. So it would be impossible for any intelligent beings to exist on any other planet at that time. [br] The chemical structure of a creature from an earth-type planet will very likely be ______.
选项
答案
protein-in-water
解析
由第十段可知,作者认为对于生活在和地球环境类似的星球上的生物,其生命的化学基础也很有可能是protein in-water。
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