![Saving resources,starting from me3000字作文]( "Saving resources,starting from me3000字作文")
- Withtheinventionofhumanlifehasbecomebetter,buttheunrestrictedfellingoftrees,theearthlostitsnaturalprotectivelayer,tropicalforestsareshrinkingrapidly,itisestimatedthatitis110thousandsquarekilometersperyearatreducedspeed.Hadaclearbottomingoutoftheriver...
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