2. 外语
  3. Black holes are part of space. The nearest black holes are hundreds of light years away from us.

Black holes are part of space. The nearest black holes are hundreds of light years away from us.

admin2009-01-21  109
问题 Black holes are part of space.  
The nearest black holes are hundreds of light years away from us.
选项 A、Right
B、Wrong
C、Not mentioned
答案B
解析
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