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Saving resources,starting from me3000字作文

Saving resources,starting from me3000字作文

10-27
Withtheinventionofhumanlifehasbecomebetter,buttheunrestrictedfellingoftrees,theearthlostitsnaturalprotectivelayer,tropicalforestsareshrinkingrapidly,itisestimatedthatitis110thousandsquarekilometersper...