八年级英语上册：M9U3课件

PopulationModule9PopulationModule9Module9学.科.网zxxkwModule9学.科.网zxxkwModule9PopulationModule9PopulationUnit3Languageinuse学.科.网Unit3学.科.网Lead-in2012年中国召回汽车的数量：1，827，500Readthenumberaloud.学.科.网Lead-in2012年中国召回汽车的数量：1，827，50世界人口的数量：6,302,309,691zxxkw世界人口的数量：6,302,309,691zxxkw到2012年底，普通高校在校学生人数：25，365，647到2012年底，普通高校在校学生人数：Beijingisahugecity.2.Ittakesanhourtogettherebybus.3.That’salmostonefifthoftheworld’spopulation.4.Thatmakesover131.4millionbirthsayear.LanguagepracticePayattentiontothesesentences.学.科.网Beijingisahugecity.Languag1.China2.theUS3.Australia4.NewZealandd)1,370,537,000c)314,791,000

a)4,437,000b)22,956,000Workinpairs.Matchthecountrieswiththeirpopulations.1.Chinad)1,370,537,000c)314ReadyouranswerstoActivity1thewholeclass.Chinahasapopulationof…Nowlistenandcheck.ReadyouranswerstoActivityLearningtolearnWhenyouseeatableorachart,lookcarefullyatthelabelsandgraphstomakesurethatyouunderstandwhattheyareshowing.Lookatthechartbelow.Whatisitcomparing?Whatcanyouconclude?LearningtolearnWhenyousee(million)510152025303540KolkataMumbaiNewYorkMexicoCityTokyo20002025(million)510152025303540KolkataMumbaiNewYorkMexicoCityTokyo20002025PopulationReadthechartandanswerthequestions.(million)510152025303540Kolkat1.Whichcityhadthelargestpopulationin2000?2.Whichcity’spopulationwillincreasethemostfrom2000to2025?Tokyohadthelargestpopulationin2000.Mumbai’spopulationwillincreasethemostfrom2000to2025.1.Whichcityhadthelargest3.Whichcitywillhavealargerincreaseinitspopulation,NewYorkorMexicoCity?4.Whichcity/citiesdoyouthinkwillhavethebiggestpopulationproblem?Why?MexicoCitywillhavealargerincreaseinitspopulation.IthinkMumbaiwillhavethebiggestpopulationproblembecauseitspopulationwillincreasethefastest.3.WhichcitywillhavealargMinais(1)____eighteen-year-oldgirl.She’sgot(2)____brotherand(3)____sister.Minais(4)____oldestchildin(5)_____family.Shelivesin(6)____verybigcity.Shehas(7)___jobin(8)____hotel.Shehopesthatonedayshewillhave(9)___chancetogoto(10)___college.antheaatheaaaaCompletethepassagewitha,anorthewherenecessary.Minais(1)____eighteen-year1.WebelievetheschoolsinArnwickareverygood,andwe’reworkingtomakethemeven_______.2.Theirflatistoolargefortwopeople.Theywanttofinda_______one.bettersmallerfewgoodmuchsmallCompletethesentenceswiththecorrectformofthewordsinthebox.1.WebelievetheschoolsinA3.Annaalwaystalksaboutherideas.Ithinksheneedstolisten________.4.Therearealotofparksinthiscity.Ithinkthereare______parksinalotofothercities.morefewer3.AnnaalwaystalksaboutherCompletethediagramshowingpopulationproblems.Usethewordsintheboxtohelpyou.aircitycountrysidehospitalincreasepublicservicetrafficwaterCompletethediagramshowingpProblemsofArnwickPeoplemovefrom_______________Peoplearrivein_________Problems:Population__________EnvironmentalproblemsExamples:____________________________________________________________HealthproblemsExample:______________________ProblemsforthegovernmentExamples:__________________________________________________________________________________________

thecountrysidethecityincreaseswaterpollutionairpollutionnotenoughhospitalsneedmoreschoolsandbuses;needbetterpublicservices;needmorepolicetoprotectpeopletoomuchtrafficrubbish(crowedflats)ProblemsofArnwickPeoplemove

Ourworldisfacingmanyproblems.Twoofthebiggestaretheincreasingpopulationandpollution.The(1)__________oftheworldisincreasingquickly.Whyisthishappening?Becausemorebabiesareborneveryyearandpeoplealsolivelonger.populationcountrysidepollutionpopulationspacetrafficCompletethepassage.Ourworldisfacingmanyp

Manypeopleareleavingthe(2)__________toworkinthecities,butthereisnotenough(3)_____forsomanypeople.Anotherhugeproblemfortheworldis(4)________.There’ssomuch(5)______ontheroadsthatinsomecitiestheairisheavilypolluted.Weshouldworkhardertoprotectourworld.pollutiontrafficcountrysidespaceManypeopleareleavingth1.Growingpopulationisaproblem________________.2.ThepopulationofChinawillgrowmoreslowly____________.allovertheworldallovertheworldcloseddowninthefutureittakesnot…anymoreinthefutureCompletethesentenceswiththeexpressionsinthebox.1.Growingpopulationisapro3.Thesupermarket___________whenabiggeroneopenedinthetown.4.Usually_________anhourtogettherebybus.5.Thetownhadalotofpollutioninthepastbutit’s_____aproblem_________.closeddownittakesnotanymore3.Thesupermarket___________a)It’scheapertoshareacarthantohaveapersonalcar.b)Peopleinacarclubdon’toftentakebuses,trainsortheunderground.c)TherearenocarclubsintheUS.d)Joiningcarclubsisgoodforyouandforthecity.Listenandchoosethebestsummary.a)It’scheapertoshareacarJoiningacarclubischeaper/moreexpensivethanhavingapersonalcar.Peopleincarclubspayfor/don’tpayforacarwhentheydrive.Peopleincarclubssometimes/nevertakeabusorrideabike.Peopleincarclubsprobablyare/arenothealthier.Listenagainandchoosethecorrectanswer.JoiningacarclubischeaperDoyouthinkcarclubswouldbepopularinChina?Why/Whynot?Workinpairsanddiscussthisquestion.DoyouthinkcarclubswouldbAroundtheworldWorldpopulationandwaterWithmoreandmorepeopleintheworld,moreandmorewaterisused.Infact,wateruseisgrowingmorethantwiceasfastastheworld’spopulation!Asaresult,gettinggood,cleanwaterisbecomingaprobleminmanyplaces.AroundtheworldWorldpopulatiAlotofwaterispollutedandinmanyareaspeoplehavetowalkalongwaytogetcleanwaterfordailyuse.Morethan3.4millionpeopledieeachyearfromdrinkingandwashingwithpollutedwater.Solet’sdoeverythingwecantostopthepollutionandsavewater.AlotofwaterispollutedandChooseacountryortownwhichinterestsyou.Itcouldbeyourhometown.Decidethepointsoftimeyouwanttolookat–forexample,now,tenyearsagoandtenyearsfromnow.Researchthepopulationofyourplaceinthoseyears.Writeyournotescarefully.Workingroups.Preparetomakeyourgraph.Moduletask:MakingagraphChooseacountryortownwhichDecidehowyouwanttomakeyourgraph.Drawitandcolorit.Youcanalsomakeitonthecomputer.Labelitclearly.Makeyourgraphandpresentyourgraphtotheclass.Writeaparagraphtodescribeyourgraph.Decidehowyouwanttomakeyo

Inthegraph,wecanseehowthepopulationinthetownchangedbetween1900and2000.wecanseethepopulationgoinguptheverticallineandtheyearsgoingacrossthehorizontalline.ThegraphshowsthepopulationincreasedbymorethanonehundredpercentfromtwoandahalfmilliontoPossibleanswerInthegraph,wecanseeho

fivemillioninonehundredyears.Atfirstitincreasedveryslowly,butafter1945itincreasedmuchmorequickly.From1990to2000,thepopulationevenincreasedbyonemillion.Thetownitselfalsogrewinsizeduringthistime.fivemillioninonehundred1.—DidyouseeMr.Blackjustnow?—Yes.He_____hiscarwhenImethim.A.parkedB.wasparkingC.parksD.willpark2.Thegirlsuddenlyfell_____thebikeandIsenthertohospitalatonce.A.onB.ofC.offD.toBCExercises1.—DidyouseeMr.Blackjus3.Yesterdayevening,Iwaswalkingalongthestreet_____Isuddenlymetmymathsteacher.A.whenB.whileC.but4.—Wherewereyouat7:00last