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Inthepast,humanactivities 61 (have)littleeffectonglob...
问题详情:Inthepast,humanactivities 61 (have)littleeffectonglobalwarming,butnowtheyhavecausedtheriseoftheearthtemperature.Allscientistsagreethattheincreaseinthetemperatureresults 62 theburni...