it was cooling at that time, and it is warming up right now.

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送交者: 校长 于 2007-08-15, 16:24:35:

回答: 什么叫科学家：那些总把"likely" "unlikely"放在结论里的人 由 sofar 于 2007-08-15, 16:12:19:

the thing not sure is that what causes the warming.


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