《Unit 3 Reading and Thinking》教學(xué)課件【高中英語人教版】

ReadingandThinkingUnit3EnvironmentalProtection人教版高中英語選擇性必修第三冊Warming-upLookatthepictureanddiscussthefollowingquestions.1.What’shappeninginthephoto?2.Wheredoyouthinkthisphotowastaken?3.Whatdoyouknowaboutglaciersmeltingon

theearth?Whatwillhappenifglaciersare

meltingfasterthanbefore?4.Whatdoesthisphotomakeyouthinkof?Warming-upUnderstandthequote.1.Whatisthedifferencebetween“needs”and“greed”?Canyougivesomeexamplesofthem?2.Howdoyouunderstandthequote?Howisitrelatedtothe

themeoftheunit?Earthprovidesenoughtosatisfyeveryman’sneeds,butnoteveryman’sgreed.

—MohandasK.GandhiWarming-upOtherquotestoappreciate1.Nature,tobecommanded,mustbeobeyed.—FrancisBacon,Englishwriter2.Onlytoobeynatureinordertoovercomenature.

—CharlesDarwin,Englishbiologist3.Wewon’thaveasocietyifwedestroytheenvironment.

—MargaretMead,Americananthropologist

4.Natureiskindofalovingmother,butalsoabutcherincoldblood.

—VictorHugo,FrenchwriterPre-readingWatchthevideoandanswerthefollowingquestions.1.Whatdoesthevideotalkabout?2.Whathaveyoulearnedfromthevideo?Pre-readingBeforeyouread,lookatthegraphandthepictureinthetextanddiscussthesequestionsingroups.1.Whatisthegraphabout?Whatinformationcanyougetfromit?2.Whathappenedinthepicture?

Whatdoyouthinkmighthavecausedit?ThegraphisaboutthechangeintheGlobalSurfaceTemperaturefrom1920to2016.Itshowsusthattheglobaltemperatureisrisingsteadilyandcontinuously.Thepolarbearwas“skinandbones”.Thebearappearedtohavestarvedanddied.Globalwarmingcausesthemeltingoficebergsandsomepolarbearssufferfromthelackoffood.Pre-readingWhatotherconsequencesmayglobalwarmingbringabout?Globalwarming

animalsdyingtheriseofthesealevelcoastalcitiessubmergednaturaldisastersextremeweatherunpredictablefutureofhuman...While-reading1.Whattypeofwritingisthispassage?

A.Argumentativewriting

B.NarrativewritingC.ExpositorywritingD.Advertisingwriting2.Inwhichpartofanewspaperormagazinemaywefindthispassage?

A.EntertainmentB.Economy

C.EducationD.EnvironmentLookatthetitle,thegraph,andthepictureandchoosethecorrectanswers.CDWhile-readingPara4:

Theconsequencesoftheriseintemperature.

Para3:

Thecauseoftheincreaseintheglobalaveragesurfacetemperature.Para5:

Thesolutionstoreducinggreenhousegasemissions.Para2:

Aspecificexampleoftheresultsofclimatechange.Para1:Adramaticchangeintheglobalclimate.Readthetextandfindoutthemainideasofeachparagraph.While-readingPara4:

Theconsequencesoftheriseintemperature

Para3:

Thecauseoftheincreaseintheglobalaveragesurface

temperaturePara5:

ThesolutionstoreducinggreenhousegasemissionsPara2:

AspecificexampleoftheresultsofclimatechangePara1:AdramaticchangeintheglobalclimatePart1:ExplainaphenomenonPart2:AnalyzethecausesPart3:PresentconsequencesPart4:TakemeasuresSummarizethestructureofthepassage.TheevidenceofdramaticclimatechangethathadanimpactonEarth’secologyWhile-readingReadpart1carefully,andanswerthequestions.Part1:Evidenceofclimatechange

1.Whathappenedtothepolarbearinthephoto?Whydidthewriterwriteaboutit?

Thepolarbeardiedofstarvation/hunger.Thewriterusedthisalarmingcaseasanexample

toshowushowtheincreaseintemperaturehadterribleimpactonEarth’secology.Andthe

writerwantstoarouseourawarenessofclimatechange.2.Whatistheauthor’spurposeofusingthegraphandthephoto?

Theauthorusedthegraphandthephotointhetext,whichcomefromscientificresearch

reportsorotherreliableresources,inordertoconvincereaders.3.Whatevidenceofclimatechangecanyoufindinthefirsttwoparagraphs?

Warmingoceanandatmosphere;meltingandrisingsealevel;thestarvedpolaranimals.While-readingReadpart2carefully,andanswerthequestions.Part2:Causeofclimatechange

1.Whyisthe“natural”greenhouseeffectimportantandnecessary?

Greenhousegasescantrapsomeoftheheat,whichcankeepEarth’sclimatewarmandhabitable.Withoutthisprocess,Earthcouldnotsustainlife.2.Whataretheconsequencesofhighgreenhousegasemissions?

Highgreenhousegasemissionsleadtomoreheatenergybeingtrappedinthe

atmosphereandrisingtemperatures.3.Whatarethe“greenhousegases”?

IntheatmospheresurroundingtheEarththerearegasescalled“greenhousegases”,includingcarbondioxide,andmethane(甲烷，沼氣).Canyoutrytocreateadiagramdescribinghowthegreenhouseeffectworks?While-readingDrawadiagramtoshowhowthegreenhouseeffectworks.Diagramsareveryusefultoolsthatcanbeusedtobrainstormideas,mapoutprocesses,showcauseandeffectrelationships,explainanewideaorconcept,andsoon.Whenyoureadanessayaboutscientificissues,youcantrydrawingadiagram,whichwillnotonlyallowyoutovisualisetheproblemsmoreclearlybutalsocanhelpdemonstrateyourcreativethinkingandproblem-solving.ExampleWhile-readingReadpart3carefully,andanswerthequestions.Part3:Consequencesofclimatechange

1.Whataretheconsequencesoftheglobaltemperaturerise?

2.Whydidtheauthormentiontheclimatescientists’warning?

Theauthormentionedtheclimatescientists’warningbecauseitisessentialthatwetake

actionandsoitneedstobebroughttoeveryone’sattention.3.Whatexamplesofextremeweatheranddisastersdoyouknow?Canyoumakealist?

Tsunami,floods,landslides,sandstorms,thunderstorms,earthquakes,hotwaves,

coldwaves,typhoons,tornados,hails,...TemperaturerisingExtremeweather&naturaldisastersSeriousdamage,economiclosses,

costinghumanlivesWhile-readingReadpart4carefully,andanswerthequestions.Part4:Solutions

1.Whatshouldpeopledoaboutglobalwarmingaccordingtothelastparagraph?

Governments:makingpoliciesandtakingappropriateactionsandmeasurestoreduce

greenhousegasemissions.

Weindividuals:reducingour“carbonfootprint”byrestrictingtheamountofcarbon

dioxideourlifestylesproduce.2.Whyisaquestionleftattheend?

Theauthorwantstoarouseourgreaterawarenessofenvironmentalprotection.3.Whatistheauthor’spurposeofwritingthistext?

Toattracttheattention