WorldpopulationandwaterWithmoreandmorepeopleintheworld,moreandmorewaterisused.Infact,wateruseisgrowingmorethantwiceasfastastheworld’spopulation!Asaresult,gettinggood,cleanwaterisbecomingaprobleminmanyplaces.Alotofwaterispollutedandinmanyareaspeoplehavetowalkalongwaytogetcleanwaterfordailyuse.Morethan3.4millionpeopledieeachyearfromdrinkingandwashingwithpollutedwater.Solet’sdoeverythingwecantostopthepollutionandsavewater.•Chooseacountryortownwhichinterestsyou.Itcouldbeyourhometown.•Decidethepointsoftimeyouwanttolookat–forexample,now,tenyearsagoandtenyearsfromnow.•Researchthepopulationofyourplaceinthoseyears.Writeyournotescarefully.Workingroups.Preparetomakeyourgraph.•Decidehowyouwanttomakeyourgraph.•Drawitandcolorit.Youcanalsomakeitonthecomputer.•Labelitclearly.Makeyourgraphandpresentyourgraphtotheclass.Inthegraph,wecanseehowthepopulationinthetownchangedbetween1900and2000.wecanseethepopulationgoinguptheverticallineandtheyearsgoingacrossthehorizontalline.Thegraphshowsthepopulationincreasedbymorethanonehundredpercentfromtwoandahalfmilliontofivemillioninonehundredyears.Atfirstitincreasedveryslowly,butafter1945itincreasedmuchmorequickly.From1990to2000,thepopulationevenincreasedbyonemillion.Thetownitselfalsogrewinsizeduringthistime.1.—DidyouseeMr.Blackjustnow?—Yes.He_____hiscarwhenImethim.A.parkedB.wasparkingC.parksD.willpark2.Thegirlsuddenlyfell_____thebikeandIsenthertohospitalatonce.A.onB.ofC.offD.toBC3.Yesterdayevening,Iwaswalkingalongthestreet_____Isuddenlymetmymathsteacher.A.whenB.whileC.but4.—Wherewereyouat7:00lastnight?—I_____tomymomathome.A.writeB.waswritingC.wroteAB1.数词和冠词的用法。2.重点短语:allovertheworldclosedowninthefutureittakesnot…anymore你认为自己应该为严重的水污染做哪些事,写一篇60词左右的短文。
