人教版選修6unit4reading市公開課一等獎省課獲獎?wù)n件

1WordsstudyGlobalwarmingUnit4Pre-reading&readingI第1頁Doyouknowanythingthatconsume(消耗)energyinthehomeandtheclass?Doyouknowanykindofenergyresource?Warminguplights,television,computer,washingmachine,hairdryer,camera,…第2頁windcoaloilnuclearpowersolarpowerwater第3頁4RenewableEnergyRenewableenergysources,suchasthesun,wind,rain,andplantmatter,naturallyandcontinually"renew"themselves.第4頁EnergysourcesRenewable/non-renewableWindCoalOilNuclearpowerSunWaterrenewable

可再生renewablerenewablenon-renewable不可再生non-renewablenon-renewable第5頁Whatisthegreenhousemadeandusedfor?Greenhouse第6頁

Agreenhouseismadeofglassandisusedforgrowingplants,especiallyduringcoldweather.GreenhouseEffect溫室效應(yīng)第7頁8traptheheatfromthesunkeepitfromescapingwarmAgreenhouseHowdoesitwork?第8頁9Howdoesthisglobalwarmingcomeabout?Manburnsfossil____---producehugequantitiesofgreenhousegases,esp.___________---thegasestraph____fromthesunandthereforew____theearth.fuelscarbondioxideheatwarmGreenhouseGreenhouseEffectGreenhousegases第9頁GlobalwarmingreasonsArisingpopulationTheuseofenergyGreenhousegasesBurningoffossilfuels(coal,oilandnaturalgas)AgriculturalindustryDestructionofforests第10頁11Skimthearticle:★★Whatarethenamesofthethreescientistsmentionedinthearticle?Whowrotethearticle?Whatisthenameofthemagazine?FastReading第11頁12Whatisthewritingstyle?A.Expositive(說明文)B.Practical(應(yīng)用文)C.Argumentative(議論文)D.Narrative(記敘文)

Theorganizationofanexpositiveessay:IntroductionAtitleBodyConclusionPara.1Para.2-6Para.7第12頁13Lookthroughthemaintext:Para.1Para.2-5IIIPara.6IIIPara.7IV★★★IntroductionBodyConclusion第13頁14Matchthepartswiththemainideas:Explainhowglobalwarmingcomesabout.

Listtwodifferentattitudesamongscientiststowardsglobalwarming.Introducethetopicofglobalwarming.●It’suptoreaderstothinkanddecidewhetherpeopleshoulddosomethingaboutglobalwarmingornot.Part1

Part2Part4Part3★★★第14頁15Matchthepartswiththewritingskills:Using

a

question,leavingreaderstothinkovertheissueRaisingaquestionGivingexamples,makingcontrast(comparison)Givingexamples,usinggraphs,explanation★★★Part1Part4Part3Part2第15頁16★★★The2graphsareusedtoexplainpointsby

providing

.evidenceevidenceorargument?Readthe2graphs:Detailedreading★★★★★★第16頁17The1st

graphshowstheglobaltbetween1860and.The

temperaturei

anddecreasedoverthis

period

butonthewholeitibyaroundonedegreeFahrenheit.Duringthistime,theearthreacheditsltemperatureinabout1910anditshighestin.Therewasasteadyincreaseinthe

temperatureduringthe20yearsafter1980.Wecanseefromthegraphthattheearthhasbecomewsinceearlylastcentury.emperature2023ncreasedncreasedowest2023armerDetailedreadingReadsomethingmoreaboutthe2graphs:★★★第17頁18The2nd

graphshowstheamount

ofcdintheatmospherefromto1997.TheCO2csteadilyioverthisforty-yearperiod.Itwentupfrom315to

partspmillion.arbonioxide1957ontentncreased370erTip:Whilereadingagraph,you’dbetterpayattentiontothenumbers.Detailedreading★★★第18頁19Trueorfalse?(P2)ReadingComprehension21.Thetemperatureinthelastcenturydidn’tsee

mtoincreasemuch.2.Everyonebelievesthatglobalwarmingiscausedbytheactivitiesofhumans.3.JaniceFosterbelievesshecanmeasurethefutureglobalriseintemperature.4.Theriseincarbondioxideiscausingasteadyincreaseinglobalwarming.5.GeorgeHambleybelievesthatglobalwarmingwilldogoodratherthanharmtotheearth.6.Itisclearwhattheeffectsofglobalwarmingwillbe.第19頁20Whatdothe3scientiststhinkaboutglobalwarming?

Dotheyagreewithoneanother?Readthearticlecarefully.★★★★

Theydon'tagreewithoneanother.Detailedreading第20頁3.Whatdotheythinkaboutglobalwarming?Dotheyagreewithoneanother?

Theydon'tagreewitheachother.

Dr.JaniceFosterthinkstheeffectsof

globalwarmingcouldbeveryserious.

第21頁

GeorgeHambleythinksglobalwarmingwillbemildwithfewbadenvironmentalconsequences.CharlesKeelingbelievesitistheburningofmoreandmorefossilfuelsthatisresultinginabigincreaseincarbondioxide.第22頁UsinglanguageWhatcanwedoaboutglobalwarming?第23頁●Turna(n)___________________offwhenyou’renotusingit.●Putonmoreclothesinsteadofturningupthe________●Walkor_____________insteadoftakingmotorvehicles.●_________cans,bottles,plasticsandnewspapers.●Buythingsmadefrom_________________.●Buyproductsthatareeconomicalwith_________.●____________inyourgardenoryourschoolyard.●Talkwithyourfamilyandfriendsabout_____________.electricalapplianceheat

rideabike

RecyclerecycledmaterialsenergyPlanttreesglobalwarming第24頁25Theearthisbecomingwarmer.Inyouropinion,doesitmatter?Discussion:A:Weshalldos