【課件】Unit3Reading+and+thinking課件高中英語人教版選擇性必修第三冊+

Unit3EnvironmentalProtectioncomprehensivemeltsustainemissionreleasehabitableWordsrevision1.Whatdidyouseeinthevideo?2.What’sthemostimportantreasonofthem?

ReadingandthinkingClimateChangeRequiresTheWorld’sAttention1.Whattypeofwritingisthispassage?

ArgumentativewritingB.NarrativewritingC.ExpositorywritingD.AdvertisingwritingC2.Inwhichpartofanewspaperormagazinemaywefindthispassage?EntertainmentB.EconomyC.EducationD.EnvironmentD本文是一篇說明文。說明文是客觀說明事物的一種文體，以解說或介紹事物的形狀、性質(zhì)、成因、構(gòu)造、功用、類別等為主要內(nèi)容。說明文主要通過對客觀事物或事理的介紹說明，達到以知識教人的目的，因此說明文以客觀、準(zhǔn)確為基本要求，強調(diào)科學(xué)性和客觀性。Readformainidea＆texttypeTask1Readformainidea＆texttypeTask2

matchthemainideawitheachpart:Part1(para.1-2)Part2(para.3)Part3(para.4)Part4(para.5)D.TheevidenceofdramaticclimatechangeB.ThecausesofglobalwarmingA.TheeffectsoftheriseintemperatureC.ThesolutionstoreducinggreenhousegasemissionsPart1:evidence/phenomenonexamplePart2:causesPart3:consequences/influncesPart4:solutionsThedevelopmentofthepassage.problemexamplereasonsinfluencessolutionsphenomenoncauseeffectsolution[?k?sp?z?t?r?]Expositorywriting本文按照“現(xiàn)象—原因—危害—措施”的邏輯順序展開，環(huán)環(huán)相扣，步步深入。標(biāo)題ClimateChangeRequirestheWorld’sAttention點明了作者的訴求：氣候變化對地球生態(tài)系統(tǒng)的影響是巨大的，需要全人類共同關(guān)注和面對。文本以現(xiàn)在時態(tài)和將來時態(tài)為主，強調(diào)文章的現(xiàn)實意義及對將來不利后果的預(yù)測。Climatechange

Penomenon

SolutionsCauses

Effects

Scan:mindmap(homeworkchecking)Task3Evidence1:_______Evidence2:_______Evidence3:_______problemexample_______naturalgreenhouseeffect____________________extremeweather_____________government:___________________:_______function:____problem:____result:_______(para1-2)(para3)(para4)(para5)作業(yè)展示Climatechange

Penomenon

SolutionsCauses

Effects

ScanandfinishthemindmapTask2Evidence1:_______Evidence2:_______Evidence3:_______problemexample_______naturalgreenhouseeffect_______________extremeweather_____________government:___________________:_______function:____problem:____result:______________awarmingoceanandatmosphere

meltingicersingsealevelsadeadpolarbearman-madegreenhouseeffectnaturaldisastersindividualskeepingEarth’swarmandhabitableCausingEarth’ssurfacetemperaturetorisequickly.seriousdamage,costinghumanlives,economiclossesmakepoliciesandtakeappropriateactionsandmeasures.reduceour“carbonfootprint”(para1-2)(para3)(para4)(para5)(1)AccordingtoParagraph2,whatcausesthedeathofthepolarbear?A.Theattackofitsenemy.B.Somedisease.C.Lackoffood.D.Human’shunting.(2)Whydoweneedproperamountof“natural”greenhousegases?A.Tocauseglobalwarming.B.Toproducewatervapour.C.Totrapheatfromthesun.D.Tomakeplantsgrowbetter.CCReadingcomprehensionTask4(3)WhichofthefollowingisTRUEaccordingtothepassage?A.The“man-made”greenhousegasescanbeproducedbyburningfossilfuels.B.Theglobalwarmingisarandomratherthannaturalphenomenon.C.Thetemperatureinthelastcenturyincreasedbyashighas5degrees.D.Fewergreenhousegaseswillgatherintheatmosphere.(4)WhichofthefollowingisNOTthebadeffectofglobalwarmingaccordingtothepassage?A.Plantsgrowbetter.B.Sealevelmayrise.C.Somespeciesmaydieout.D.Somecatastrophesmayappear.AA(5)Theauthorprobablyagreesthat_________.

A.actuallyglobalwarmingisgoodformanB.weshoulddonothingabouttheglobalwarmingC.catastropheswillnothappeniftheglobekeepsonwarmingD.governmentsneedtotakeappropriatemeasurestoreducegreenhousegasemissionsD(6)Whydidtheauthormentiontheclimatescientists'warning?A.Tostresstheimportanceofthenewsreport.B.Toprovideevidenceofrisingtemperature.C.Tocallonpeopletotakeactionstostopthewarmingtrend.D.Toshowpeopleclimatechangeindetails.CReadforthinkingToreduceour“carbonfootprint”ToeducateeveryonearoundusPostreadingforcriticalthinkingandtalkingAsastudent,whatcanwedotoprotecttheenvironmentinourdailylife?Task4plantmoretreesTakethestairsinsteadofelevatorDon'tlitterGotoschoolbybikeinsteadofbycar/busTurnoffthelightswhenleavingUsehandkerchiefinsteadoffacialtissueUsebasketorenvironmentalbasketbaginsteadofplasticbageverysmallstepwillmakeadifference.Earthprovidesenoughtosatisfyeveryman’sneeds,butnoteveryman’sgreed.—MohandasK.Gandhi地球能滿足每個人的需要，但不能滿足每個人的貪婪。weshouldcherishwhatwehaveanddowhateverwecantomaketheworldabetterplace,leavingthegreenmountainsandbluewatersforouroffsprings.1.SurftheInternetandfind3-4reasonswhypeopleburnfossilfuels.

2.ReadParagraph3againandcreateyourowndiagramtodescribehowthegreenhouseeffectworks.

3.Finishpartofthestudents’worksheet.

.HomeworkThankyou!ScanPara.1-2tofinishthefollowingchartTask3Penomenon(para1-2)

1.awarmingoceanandatmosphere

2.meltingice3.risingsealevels4.adeadpolarbearEvidence

Example

Greenhouseeffect5..greenhouseeffect6..

greenhouseeffectScanPara.3tofinishthefollowingchartTask4Causes(para3)

natural

man-madeKeepingEarth’swarmandhabitableCausingEarth’ssurfacetemperaturetorisequickly.Para4:TheinfluencesoftheriseintemperatureTheriseintemperature

ledtoextreme