【课件】Unit3Reading+and+thinking课件高中英语人教版选择性必修第三册+.pptx

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1、Unit3EnvironmentalUnit3EnvironmentalProtectionProtectioncomprehensivemeltsustainemissionreleasehabitableWords revision1.Whatdidyouseeinthevideo?2.Whatsthemostimportantreasonofthem?Reading and thinkingClimate Change Requires The Worlds Attention1.Whattypeofwritingisthispassage?A.ArgumentativewritingB

2、.NarrativewritingC.ExpositorywritingD.AdvertisingwritingC2.Inwhichpartofanewspaperormagazinemaywefindthispassage?A.EntertainmentB.EconomyC.EducationD.EnvironmentD本文是一篇本文是一篇说明文说明文。说明文是客观说明事物的一种文体，。说明文是客观说明事物的一种文体，以解说或介绍事物的形状、性质、成因、构造、功用、类以解说或介绍事物的形状、性质、成因、构造、功用、类别等为主要内容。说明文主要通过对客观事物或事理的介别等为主要内容。说明文主要

3、通过对客观事物或事理的介绍说明，达到以知识教人的目的，因此说明文以客观、准绍说明，达到以知识教人的目的，因此说明文以客观、准确为基本要求，强调科学性和客观性。确为基本要求，强调科学性和客观性。Read for main idea text type Task1Read for main idea text type Task2matchthemainideawitheachpart:Part1(para.1-2)Part2(para.3)Part3(para.4)Part4(para.5)D.TheevidenceofdramaticclimatechangeB.Thecausesofglob

4、alwarmingA.TheeffectsoftheriseintemperatureC.ThesolutionstoreducinggreenhousegasemissionsPart 1:evidence/phenomenonexamplePart 2:causesPart 3:consequences/influncesPart 4:solutionsThe development of the passage.problemexamplereasonsinfluencessolutionsphenomenoncauseeffectsolutionkspztrExpository wri

5、ting本文按照本文按照“现象现象原因原因危害危害措施措施”的逻辑顺序展开，环环相的逻辑顺序展开，环环相扣，步步深入。标题扣，步步深入。标题ClimateChangeRequirestheWorldsAttention点明了作者的诉求：气候变化对地球生态系统的影响是点明了作者的诉求：气候变化对地球生态系统的影响是巨大的，需要全人类共同关注和面对。文本以巨大的，需要全人类共同关注和面对。文本以现在时态现在时态和和将来时将来时态态为主，强调文章的现实意义及对将来不利后果的预测。为主，强调文章的现实意义及对将来不利后果的预测。Climatechange Penomenon SolutionsCaus

6、esEffects Scan:mind map(homework checking)Task3Evidence1:_Evidence2:_Evidence3:_problem example_naturalgreenhouseeffect_extremeweather_government:_:_function:_problem:_result:_(para1-2)(para3)(para4)(para5)作业展示Climatechange Penomenon SolutionsCausesEffects Scan and finish the mind map Task2Evidence1

7、:_Evidence2:_Evidence3:_problem example_naturalgreenhouseeffect_extremeweather_government:_:_function:_problem:_result:_ a warming ocean and atmosphere melting ice rsing sea levelsa dead polar bear man-madegreenhouseeffectnatural disastersindividualskeeping Earths warm and habitableCausing Earths su

8、rface temperature to rise quickly.seriousdamage,costinghumanlives,economiclossesmakepoliciesandtakeappropriateactionsandmeasures.reduceour“carbonfootprint”(para1-2)(para3)(para4)(para5)(1)AccordingtoParagraph2,whatcausesthedeathofthepolarbear?A.Theattackofitsenemy.B.Somedisease.C.Lackoffood.D.Humans

9、hunting.(2)Whydoweneedproperamountof“natural”greenhousegases?A.Tocauseglobalwarming.B.Toproducewatervapour.C.Totrapheatfromthesun.D.Tomakeplantsgrowbetter.CCReading comprehension Task4(3)WhichofthefollowingisTRUEaccordingtothepassage?A.The“man-made”greenhousegasescanbeproducedbyburningfossilfuels.B.

10、Theglobalwarmingisarandomratherthannaturalphenomenon.C.Thetemperatureinthelastcenturyincreasedbyashighas5degrees.D.Fewergreenhousegaseswillgatherintheatmosphere.(4)WhichofthefollowingisNOTthebadeffectofglobalwarmingaccordingtothepassage?A.Plantsgrowbetter.B.Sealevelmayrise.C.Somespeciesmaydieout.D.S

11、omecatastrophesmayappear.AA(5)Theauthorprobablyagreesthat_.A.actuallyglobalwarmingisgoodformanB.weshoulddonothingabouttheglobalwarmingC.catastropheswillnothappeniftheglobekeepsonwarmingD.governmentsneedtotakeappropriatemeasurestoreducegreenhousegasemissionsD(6)Whydidtheauthormentiontheclimatescienti

12、stswarning?A.Tostresstheimportanceofthenewsreport.B.Toprovideevidenceofrisingtemperature.C.Tocallonpeopletotakeactionstostopthewarmingtrend.D.Toshowpeopleclimatechangeindetails.CRead for thinkinguTo reduce our“carbon footprint”uTo educate everyone around us Post reading for critical thinking and tal

13、kingPost reading for critical thinking and talkingAs a student,what can we do to protect the environment in our daily life?Task4plantmoretreesTakethestairsinsteadofelevatorDontlitterGotoschoolbybikeinsteadofbycar/busTurnoffthelightswhenleavingUsehandkerchiefinsteadoffacialtissueUsebasketorenvironmen

14、talbasketbaginsteadofplasticbageverysmallstepwillmakeadifference.Earthprovidesenoughtosatisfyeverymansneeds,butnoteverymansgreed.MohandasK.Gandhi地球能满足每个人的需要，但不能满足每个人的贪婪。地球能满足每个人的需要，但不能满足每个人的贪婪。we should cherish what we have and do whatever we can to make the world a better place,leaving the green mo

15、untains and blue waters for our offsprings.1.SurftheInternetandfind3-4reasonswhypeopleburnfossilfuels.2.ReadParagraph3againandcreateyourowndiagramtodescribehowthegreenhouseeffectworks.3.Finishpartofthestudentsworksheet.HomeworkScan Para.1-2 to finish the following chartTask3Penomenon(para1-2)1.a war

16、ming ocean and atmosphere2.melting ice 3.rising sea levels4.a dead polar bearEvidence Example Greenhouseeffect5.greenhouseeffect6.greenhouseeffectScan Para.3 to finish the following chartTask4Causes(para3)naturalman-madeKeeping Earths warm and habitableCausing Earths surface temperature to rise quic

17、kly.Para 4:The influences of the rise in temperatureThe rise in temperatureled toextreme weather/natural disastersresultextreme rainstorms,heat wavesserious damage,costing human lives,economic lossesPara 5:The solutions to the environmental problems.0102The governments:make policies and take appropriate actions and measures.Individuals:reduce our“carbon footprint”