2. 职称英语
  3. 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  40
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。
转载请注明原文地址:https://tihaiku.com/zcyy/3443080.html
相关试题推荐
随机试题
最新回复(0)