- 问题详情:Doyouwanttoseetheeffectsofglobalwarming?Thenheadnorth.RecentstudiesindicatethattheNorthPole,insteadofcoatedinthickseaice,couldbeunderwaterduringthesummerinlessthan10years.ButseeingtheArcticterrain(地带)upcloseisn'teasy,unlessyou'rehandywith...
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