Whenwetalkaboutpaper,wethinkofnewspapersandbooks.Butthe...
问题详情：Whenwetalkaboutpaper,wethinkofnewspapersandbooks.Buttherearemanyotherusesofpaper.Onlyhalfof 61 world’spaperisusedforbooksandnewspapers.Paperon 62 weusuallywriteanddrawisverygoodforkee...