Module9Unit1课件英语八年级上册2

Unit1Theworld’spopulationwasabout7.8billionin2020Module9PopulationLet’schantHowmanypeoplearethereintheworld?PeoplePeoplePeopleWhat’stheworld’spopulation?Now,Iampreparingareportcalled“Theworld’spopulation”.Ihavenoideaaboutit.Canyouhelpmetomakeareport?/prɪˈpeə/=getreadyforreport/rɪˈpɔːt/Task：Makeareportcalled“Theworld’spopulation”Tomakeagoodreport,youshouldTellpopulationnumbersDescirbepopulationchangesFindpopulationproblemsSolveproblems

Whatshoudwedo?/sɒlv/TellpopulationnumbersTomakeagoodreport,youshould1218,7422,400,0007,800,000,000eightthousand,sevenhundredandforty-twotwomillion,fourhundredthousandsevenbillion,eighthundredmillionOnehundredandtwenty-one=2.4million=7.8billion=twopointfourmillion=sevenpointeightbillionmillion7,800,000,000billionthousandpoint/ˈbɪljən/Tellpopulationnumbers

Tomakeagoodreport,youshouldA:What’sthepopulationof...?B:Thepopulationof...isabout.../...hasapopulationofabout...CountriesintheworldPopulationChina1,425,000,000India1,428,000,000Nigeria225,650,000Pakistan241,000,000/naɪˈdʒɪriə//'pækistæn/Tellpopulationnumbers

Tomakeagoodreport,youshouldWhatisthepopulationofNewYork?a)About17million.b)About9million.c)About30million.2.WhatisthepopulationofTokyo?a)About4million.b)About28million.c)About14million.A2Listenandchoosethecorrectanswer.A2Listenandchoosethecorrectanswer.Whataboutotherbigcitiesaroundtheworld?WhatisthepopulationofNewYork?a)About17million.b)About9million.c)About30million.2.WhatisthepopulationofTokyo?a)About4million.b)About28million.c)About14million.alotoftraffictoomanypeoplealotofnoiseTomakeagoodreport,youshouldDescirbethesituationFindtheproblems

3.Whatproblemsdidhugepopulationbring?about7.8billion8.5billionTomakeagoodreport,youshouldWhichcountriesareseeingthemostpopulationgrowth?hugenumbers!

The________increaseinpopulationwilltakeplaceinthesecountries.largestWHAT?FindpopulationproblemsThepopulationoftheworldwill___________8.5billionin2030.climbtoC:Nigeria

尼日利亚D:Pakistan

巴基斯坦A:India/naɪˈdʒɪriə//'pækistæn/B:America

E:ChinaA:Therewillbemorepeople.B:Therewillbefewer

people.DescirbepopulationchangesToomuchtrafficandnoise.Therearen’t_________________to_______________,orenough_______________to__________________________.1.AccordingtoLingling,whatproblemswilltherebewhenpopulationsincreasetoofast?2.Whatproblemswilltherebeforcountrieswithslow-growingpopulation?A4Listenandanswerthequestions.Tomakeagoodreport,youshouldFindpopulationproblemsenoughpeopledoallthejobsyoungpeoplelookaftertheoldonesToomuchtrafficandnoise.Therearen’tenoughpeopletodoallthejobs,orenoughyoungpeopletolookaftertheolderones.Slow-growingFast-growingMorepollution.Don’thaveenoughresources(资源).Countriesdevelopmoreslowly.Hardtolookafteralltheoldpeople.......Whatotherproblemswillpopulationgrowthbring?Howcanwesolvethem?Takepublictransport.Reducepollution.Developnewresources.Usemachinesandtechnology.Nowwegetalotofusefulinformationabouttheworld’spopulation.Let’smakeareport!Let’smakeareport!Workingroupsofthree.Introducethepopulationandpopulationchanges.S1:Showthepopulationproblems.S2:Sharethesolutionsorsuggestions.S3:Thepopulationof...is...climbtoincreaseWhenpopulationgrowstoofast,....Countrieswithslow-growingpopulationwill...Tosolvetheseproblems,wecan...populationgrowthAssessmentScaleItemsScore1.Readthepopulationnumberscorrectly.2.Describethepopulationchangesbyusingwordslikeincrease,climbto.3.Findoutthepopulationproblems.4.Givesolutionstosolvetheproblemscausedbypopulationgrowth.5.Speakclearlyandloudly.

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21AssessmentScaleItemsContentSelf-assessmentGroup-assessmentWhatIlearned1.Iknowthepopulationofdifferentplacesandcanreadthenumberscorrectly.2.Iknowthepopulationchangesintheworld.3.Icanfindoutthepopulationproblemsandthinkaboutmoreproblems.4.Icandiscusssuggestionstosolveproblems.

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21HowIworked1.Takepartinthegroupworkactively

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shareideaswithothersandhelpthem).2.Listentootherscarefullyandfinishownpart

successfully.3.IntroducethepartinEnglishclearlyandloudly.4.Usesentences/wordslearnedtodaytointroduce.

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21Teacher-assessmentWeneedtokeepbalance!Thelargerpopulation,thebetter?Orthesm