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2023-07-11  50
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] Modern theories of the development of stars suggest that almost every star has some sort of family of planets.
选项 A、Y
B、N
C、NG
答案 C
解析 通读全文我们可知文中并未提及有关星星的现代科学理论的发展，因此无从判断。
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