2. 外语
  3. A、A star is discovered that emits lower levels of trace ions than those discovered by x-rays of our galaxy’s sun. B、A section of

A、A star is discovered that emits lower levels of trace ions than those discovered by x-rays of our galaxy’s sun. B、A section of

admin2009-05-19  31
问题
选项 A、A star is discovered that emits lower levels of trace ions than those discovered by x-rays of our galaxy’s sun.
B、A section of the universe is discovered to lack both stars and any sort of interstellar medium.
C、A galaxy is discovered with a negative rate of star formation.
D、In one corner of the galaxy, coronal gas is discovered to rarify as it becomes cooler.
E、A superbubble is found of equal mass to the galaxy surrounding it.
答案D
解析
转载请注明原文地址:https://kaotiyun.com/show/mdkO777K
本试题收录于： GRE VERBAL题库GRE分类
0

GRE VERBAL

GRE

相关试题推荐
随机试题
最新回复(0)