Black holes are part of space. The Hubble Space Telescope helps scientists to understand the nature of the universe.

admin2009-01-21  34

问题 Black holes are part of space.  
The Hubble Space Telescope helps scientists to understand the nature of the universe.

选项 A、Right
B、Wrong
C、Not mentioned

答案A

解析
转载请注明原文地址:https://kaotiyun.com/show/Dehd777K
0

最新回复(0)