It can be learned from the passage that about four billion years ago _____

It can be learned from the passage that about four billion years ago ______.

单选题

2022-01-04 00:37

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

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试题解析

43．答案为B。根据第一段最后一句及第二段内容可知，雨水在地表温度降到水的沸点以下才能停在地表，由此可知大约在四十亿年前，地表温度应在沸点以上。

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