Black holes are part of space. The sun is the heaviest star in the universe.

admin2009-01-21 46

问题 Black holes are part of space.
The sun is the heaviest star in the universe.

选项 A、Right
B、Wrong
C、Not mentioned

答案C

解析

转载请注明原文地址:https://kaotiyun.com/show/Rehd777K

职称英语理工类C级

相关试题推荐

随机试题

最新回复(0)