Unit 2 Topic 2 Section C 课件 2

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1、Unit2SavingtheEarthTopic2Alltheseproblemsareveryserious.SectionC课件1Inourdailylife,weshouldfacemoreenvironmentalproblems.Canyousaysomethingaboutthem?cities,pollute,healthproblemsInourdailylife,weshouldfacemoreenvironmentalproblems.Canyousaysomethingaboutthem?factories,thelandandtheair,deadInour

2、dailylife,weshouldfacemoreenvironmentalproblems.Canyousaysomethingaboutthem?cutdown,millionsof,takeawaytheearth,becomedesertInourdailylife,weshouldfacemoreenvironmentalproblems.Canyousaysomethingaboutthem?oxygenaspecialkindofoxygencalled“ozone”(O3)averybigholeintheozonelayer,toomuchharmfulradi

3、ationfromthesunInourdailylife,weshouldfacemoreenvironmentalproblems.Canyousaysomethingaboutthem?CO2carbondioxideincreasealot,forma“blanket”,theheatfromthesuncan’tescapecausetheleveloftheseatorisecalled“thegreenhouseeffect”or“globewarming”Whatotherkindsofenvironmentalproblemscanyouthinkof?Talka

4、boutthemwithyourclassmates.fewertreesfactorypollutiontrafficpollutiontheozonelayermorecarbondioxideCanyoumatchthem?FewertreesFactorypollutionTrafficpollutionTheozonelayerMorecarbondioxideAlltheseproblemsareveryserious.Whatcanwedotosolvethem?ReadandunderstandExercisesRead1aagainandchoosethebest

5、answers.1.Whatdoesourplanetmeanhere?A.Thesun.B.Mars.C.Themoon.D.Theearth.2.WhichisNOTtrue?A.Carscanpollutetheair.B.Factoriescanpollutethewater.C.Thefewertrees,thebetter.D.Notallthethingswehavedonearegoodfortheearth.3.Theworditinthepassagerefersto____.A.CO2B.O3C.O2D.H2O4.Inthepassage,“blanket”r

6、efersto____.A.carbondioxidearoundtheearthB.theozonelayerintheskyC.theforestsaroundtheworldD.pollutionallovertheworld5.Theleveloftheoceansisrisingbecauseof____.A.pollutionB.fewtreesC.thegreenhouseeffectD.changesintheclimate6.Whatisthebesttitleforthispassage?A.EnvironmentalProblemsB.Pollutionont

7、heEarthC.HopefortheFutureD.TheGreenhouseEffectGrammarfocusIndefinitepronounandadverb不定代词和副词some-any-no-every-不定代词人物不定副词someonesomebodysomethinganyoneanybodyanythingnoone/nonenobodynothingeveryoneeverybodyeverything一、构成somewhereanywheren