- 問題詳情:Scientistspredictthatoneoftheworld'scoldestcountriescouldbecoveredbythickforestsinsteadoffrozenicesheetsbytheendofthecentury,asclimatechangebringsaboutthe“greeningofGreenland”.Todayonlyfourtypesoftreesgrowontheisland,limitedtosmallareasint...
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