题目内容
(请给出正确答案)
[主观题]
It can be learned from the passage that about four billion years ago ______. A. the
It can be learned from the passage that about four billion years ago ______.
A. the earth was in molten state
B. the earth surface temperature was above 100℃
C. the earth surface temperature was below 100℃
D. rain water could remain on the earth
如搜索结果不匹配,请 联系老师 获取答案