更新时间：2018-09-09 23:18作者：王华老师
saveelectricity.itiscrucial.wecan'timaginewhatthelifewillbelikewithoutit.everyoneshoulddohisbesttosaveelectricity.don'tforgettoturnofflightsorotherelectricmachineswhenwefinishworking.
saveforests.theyareuseful.pleasestopcuttingthemdownanduserecycledpaperinstead.makeourworldagreenonetolivein.
recycleusefulrubbish.plentyofrubbishcanberecycledlikecans,paper,bottles,andsoon.wecansaveresourcesinthisway.