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1、================精選公文范文，管理類，工作總結(jié)類，工作計(jì)劃類文檔，歡迎閱讀下載==============水資源短缺問題 aterShortage提綱1.水的重要性。2.造成水資源短缺的原因。3.怎樣緩解缺水問題及保護(hù)水資源?！ eoplecan＇timaginelifewithoutwater.Withoutit,theearthweliveonwouldbeadeadone.Therewouldbenotrees,nocrops,noanimalsandnopeople.Sowaterisconsideredtobenexttoo
2、xygeninimportance. Althoughnearlythreequartersoftheearth＇ssurfaceiscoveredwithwater,itisseawaterandundrinkable.Thedemandforwaterisincreasing,while--------------------精選公文范文，管理類，工作總結(jié)類，工作計(jì)劃類文檔，感謝閱讀下載---------------------~3~================精選公文范文，管理類，工作總結(jié)類，工作計(jì)劃類文檔，歡迎閱讀下載===========
3、===waterresourcesarescarce.Agriculturalproductionneedsenormousamountsofwater,sodoesindustry.Besides,therapidgrowthofpopulationmakesitmoreandmoredifficultforpeopletosurvivebecauseofthewatershortage.Sowatershortagehasbecomeoneofthemostseriousproblems. Fortunately,peoplehaverealize
4、dthispressingproblemandaretryingtofindwaystosalveit.First,peopleareurgedtoeconomizeonwater.Second,measuresaretakentoprotectwaterresources.Third,circulatingwaterisusedforindustrialpurposesoverandoverinfactoviesandtreatedsewagewaterisusedforirrigationinfarmingland. -------------
5、-------精選公文范文，管理類，工作總結(jié)類，工作計(jì)劃類文檔，感謝閱讀下載---------------------~3~================精選公文范文，管理類，工作總結(jié)類，工作計(jì)劃類文檔，歡迎閱讀下載==============--------------------精選公文范文，管理類，工作總結(jié)類，工作計(jì)劃類文檔，感謝閱讀下載---------------------~3~
