人教版高中英语选修六Unit4 Global warming warming up and reading课件

Unit4GlobalWarmingUnit41Howdid

comeabout?thesnow

catastropheSomescientistsbelievedthat

globalwarmingwasoneofthemajorreasonswhysuchextreme

climatelikeseverestormsandheavysnowfrequentlycameabout.孙广勇造成极端天气频繁的一个重要原因就是全球变暖。Howdid2Thinkabout:Whatcausesglobalwarming?Humanactivityorarandombutnaturalphenomenon?Whenwetalkaboutthisproblem,wenaturallylinkittotheuseofenergyandtheenvironmentalpollution.Thinkabout:Whatcausesgloba3Butfirstlyandimportantly,energymakesagreatdifferencetoourlives.Whatthingsdoweuseenergyfor?We____________energytodomanythingsinourlives.Foraxample,energy______ourcitiesand______ourbuildings.Whatotherthingsdoweuseenergyfor?dependonlightsheatsButfirstlyandimportantly,e4Thingsthatuseenergyaroundusoratanyotherplaces:InahouseThingsthatuseenergyaround5Wheredoesallthisenergycomefrom?Wheredoesallthisenergycom6PlaceandtherelatedenergyWindpowerwindPlaceandtherelatedenergyWi7PlaceandtherelatedenergyacoalpowerstationcoalPlaceandtherelatedenergya8Placeandtherelatedenergyoilrefinery

（提炼厂）oilPlaceandtherelatedenergyoi9PlaceandtherelatedenergynuclearpowerstationUranium

铀Placeandtherelatedenergynu10Placeandtherelatedenergysolarpanels

（镶板）solarpowerPlaceandtherelatedenergyso11Placeandtherelatedenergyahydro-electricpower（与水有关的）waterPlaceandtherelatedenergya12Energyathome,school…sourcesofenergythingsusingenergyLightsHeatingTelevisionCassetteplayerVideorecorderComputerFridgeStoveWashingmachineHairdryer

CoalOilNaturalgasWind(windpower)Sun(solarenergy)Uranium(nuclearenergy)Water(hydro-electricpower)Energyathome,school…sources13Energyathome,school…sourcesofenergyrenewableornon-renewableCoalOilNaturalgasWind(windpower)Sun(solarenergy)Uranium(nuclearenergy)Water(hydro-electricpower)Non-renewableNon-renewableNon-renewableRenewableRenewableNon-renewableRenewableEnergyathome,school…source14Let’strytosaveenergy!Tosaveenergyistosaveourearth!!Slogan['sləugən]

n.标语,口号Let’strytosaveenergy!Tos15Asweknow,coal,oilandnaturalgasarecalled__________________,whichisakindofenergy.Itcanmakeagreat__________toourlives.Butdoyouknowwhatby________isproducedwhenweburnfossilfuel?Isitgoodforourplanet?Whatph__________iscausedbyit?differenceenomenonproductfossilfuelAsweknow,coal,oilandnatu16FossilFuelFossilFuel17CarbondioxideFossilFuelcoaloilnaturalgasglobalwarming●●●●●●Why?CarbondioxideFossilFuelcoalo18PicturereadingAgreenhousePicturereadingAgreenhouse19人教版高中英语选修六Unit4Globalwarmingwarmingupandreading课件20greenhousegreenhouse21PicturereadingAgreenhouseismadeof_______andisusedforgrowing________,especiallyduring_____weather.Whatisagreenhousemadeofandusedfor?glassplantscoldPicturereadingAgreenhouseWha22Theairinsideiswarmbecausetheglass______theheatfromthesunandkeepsitfrom_________.Thismakesthegreenhouse__________andsotheplantscangrow_______________.trapsescapingheatupthroughoutthecoldperiodHowdoesagreenhousework?Theairinsideiswarmbecause23Nowcanyouconnectglobalwarmingwithgreenhouseandthinkoftherelationshipbetweenthem?Maybeyoucanunderstandwhywecallglobalwarming“greenhouseeffect”,right?Nowcanyouconnectglobalwar24What’sgreenhouseeffect?What’sgreenhouseeffect?greenhouseeffectgreenhouseeffectSurelyweneedgreenhousegases.Withoutgreenhouseeffect,theearthwouldbe___________.Intheatmospheresurroudningtheearththerearegasescalled“greenhousegases”.Whatdoyouthinkgreenhousegasesdo?Itisapitythathumanactivitygivesoffextra______________intotheatmospherethereforeitcauses______________.toocoldcarbondioxideglobalwarmingSurelyweneedgreenhousegaseReadingReading28Task1SkimmingSkimthetitle:THEEARTHISBECOMINGWARMER–BUTDOESITMATTER?Whatisthemaintopic?A.Theearth. B.Globalwarming.C.Becomingwarmerdoesn’tmatter.

Task1SkimmingSkimthetitle29Whowrotethearticle?Whatisthenameofthemagazine?Whatarethenamesofthe3scientists?SophieArmstrongEarthCareDrJaniceFoster,CharlesKeeling,GeorgeHambleyP27Ex.1Listentothemagazinearticleandanswerthefollowingquestions.ComprehendingOneWhowrotethearticle?Whatis30SkimmingTheorganizationofanexpositive:IntroductionAtitleBodyConclusionSkimmingTheorganizationofan31SkimmingSkimthemaintext:Para.1Para.2-3IIIPara.4-8IIIPara.9IV★★★★IntroductionBodyConclusionSkimmingSkimthemaintext:Pa32SkimmingMatchthepartswiththemainideas:

Explainhowglobalwarmingcomesabout.Listtwodifferentattitudesamongscientiststowardsglobalwarming.Introduceadebateoverglobalwarming.It’suptoreaderstothinkanddecidewhetherpeopleshoulddosomethingaboutglobalwarmingornot.I(1)II(2-3)III(4-8)IV(9)SkimmingMatchthepartswitht33ScanningMatchthepartswiththewritingskills:Using

aquestion,leavingreaderstothinkovertheissueRaisingaquestionGivingexamples,makingcontrast(comparison)Givingexamples,usinggraphs,explanationI(1)II(2-3)III(4-8)IV(9)I(1)II(2-3)III(4-8)IV(9)ScanningMatchthepartswitht34Page27Ex.2T

orF1.Thetemperatureinthelastcenturydidn’tseemtoincreasemuch.2.Everyonebelievesthatglobalwarmingiscausedbytheactivitiesofhumans.3.JaniceFosterbelievesthatshecanmeasurethefutureglobalriseintemperatrue4.Theriseincarbondioxideiscausingasteadyincreaseinglobalwarming.5.GeorgeHambleybelievesscientistsarejustguessingabouttheeffectsofglobalwarming.6.Itisclearwhattheeffectsofglobalwarmingwillbe.Page27Ex.2TorF1.Thetem351.Thetemperatureinthelastcenturydidn’tseemtoincreasemuch.2.Everyonebelievesthatglobalwarmingiscausedbytheactivitiesofhumans.3.JaniceFosterbelievesthatshecanmeasurethefutureglobalriseintemperatrueT

TFLine2:…itisarapidincreasecomparedtomostnaturalchanges…Line5

:Thereisdoubtthat…1.Thetemperatureinthelast364.Theriseincarbondioxideiscausingasteadyincreaseinglobalwarming.5.GeorgeHambleybelievesscientistsarejustguessingabouttheeffectsofglobalwarming.

TT6.Itisclearwhattheeffectsofglobalwarmingwillbe.

FLine45:Nooneknows…4.Theriseincarbondioxide37Idea-sharingWeshoulddonothingaboutglobalwarming.GroupA2SsagreereasonsGroupB2SsdisagreereasonsDebateIdea-sharingWeshoulddonothi38ThankYou!ThankYou!39Unit4GlobalWarmingUnit440Howdid

comeabout?thesnow

catastropheSomescientistsbelievedthat

globalwarmingwasoneofthemajorreasonswhysuchextreme

climatelikeseverestormsandheavysnowfrequentlycameabout.孙广勇造成极端天气频繁的一个重要原因就是全球变暖。Howdid41Thinkabout:Whatcausesglobalwarming?Humanactivityorarandombutnaturalphenomenon?Whenwetalkaboutthisproblem,wenaturallylinkittotheuseofenergyandtheenvironmentalpollution.Thinkabout:Whatcausesgloba42Butfirstlyandimportantly,energymakesagreatdifferencetoourlives.Whatthingsdoweuseenergyfor?We____________energytodomanythingsinourlives.Foraxample,energy______ourcitiesand______ourbuildings.Whatotherthingsdoweuseenergyfor?dependonlightsheatsButfirstlyandimportantly,e43Thingsthatuseenergyaroundusoratanyotherplaces:InahouseThingsthatuseenergyaround44Wheredoesallthisenergycomefrom?Wheredoesallthisenergycom45PlaceandtherelatedenergyWindpowerwindPlaceandtherelatedenergyWi46PlaceandtherelatedenergyacoalpowerstationcoalPlaceandtherelatedenergya47Placeandtherelatedenergyoilrefinery

（提炼厂）oilPlaceandtherelatedenergyoi48PlaceandtherelatedenergynuclearpowerstationUranium

铀Placeandtherelatedenergynu49Placeandtherelatedenergysolarpanels

（镶板）solarpowerPlaceandtherelatedenergyso50Placeandtherelatedenergyahydro-electricpower（与水有关的）waterPlaceandtherelatedenergya51Energyathome,school…sourcesofenergythingsusingenergyLightsHeatingTelevisionCassetteplayerVideorecorderComputerFridgeStoveWashingmachineHairdryer

CoalOilNaturalgasWind(windpower)Sun(solarenergy)Uranium(nuclearenergy)Water(hydro-electricpower)Energyathome,school…sources52Energyathome,school…sourcesofenergyrenewableornon-renewableCoalOilNaturalgasWind(windpower)Sun(solarenergy)Uranium(nuclearenergy)Water(hydro-electricpower)Non-renewableNon-renewableNon-renewableRenewableRenewableNon-renewableRenewableEnergyathome,school…source53Let’strytosaveenergy!Tosaveenergyistosaveourearth!!Slogan['sləugən]

n.标语,口号Let’strytosaveenergy!Tos54Asweknow,coal,oilandnaturalgasarecalled__________________,whichisakindofenergy.Itcanmakeagreat__________toourlives.Butdoyouknowwhatby________isproducedwhenweburnfossilfuel?Isitgoodforourplanet?Whatph__________iscausedbyit?differenceenomenonproductfossilfuelAsweknow,coal,oilandnatu55FossilFuelFossilFuel56CarbondioxideFossilFuelcoaloilnaturalgasglobalwarming●●●●●●Why?CarbondioxideFossilFuelcoalo57PicturereadingAgreenhousePicturereadingAgreenhouse58人教版高中英语选修六Unit4Globalwarmingwarmingupandreading课件59greenhousegreenhouse60PicturereadingAgreenhouseismadeof_______andisusedforgrowing________,especiallyduring_____weather.Whatisagreenhousemadeofandusedfor?glassplantscoldPicturereadingAgreenhouseWha61Theairinsideiswarmbecausetheglass______theheatfromthesunandkeepsitfrom_________.Thismakesthegreenhouse__________andsotheplantscangrow_______________.trapsescapingheatupthroughoutthecoldperiodHowdoesagreenhousework?Theairinsideiswarmbecause62Nowcanyouconnectglobalwarmingwithgreenhouseandthinkoftherelationshipbetweenthem?Maybeyoucanunderstandwhywecallglobalwarming“greenhouseeffect”,right?Nowcanyouconnectglobalwar63What’sgreenhouseeffect?What’sgreenhouseeffect?greenhouseeffectgreenhouseeffectSurelyweneedgreenhousegases.Withoutgreenhouseeffect,theearthwouldbe___________.Intheatmospheresurroudningtheearththerearegasescalled“greenhousegases”.Whatdoyouthinkgreenhousegasesdo?Itisapitythathumanactivitygivesoffextra______________intotheatmospherethereforeitcauses______________.toocoldcarbondioxideglobalwarmingSurelyweneedgreenhousegaseReadingReading67Task1SkimmingSkimthetitle:THEEARTHISBECOMINGWARMER–BUTDOESITMATTER?Whatisthemaintopic?A.Theearth. B.Globalwarming.C.Becomingwarmerdoesn’tmatter.

Task1SkimmingSkimthetitle68Whowrotethearticle?Whatisthenameofthemagazine?Whatarethenamesofthe3scientists?SophieArmstrongEarthCareDrJaniceFoster,CharlesKeeling,GeorgeHambleyP27Ex.1Listentothemagazinearticleandanswerthefollowingquestions.ComprehendingOneWhowrotethearticle?Whatis69SkimmingTheorganizationofanexpositive:IntroductionAtitleBodyConclusionSkimmingTheorganizationofan70SkimmingSkimthemaintext:Para.1Para.2-3IIIPara.4-8IIIPara.9IV★★★★IntroductionBodyConclusionSkimmingSkimthemaintext:Pa71SkimmingMatchthepartswiththemainideas:

Explainhowglobalwarmingcomesabout.Listtwodifferentattitudesamongscientiststowardsglobalwarming.Introduceadebateoverglobalwarming.It’suptoreaderstothinkanddecidewhetherpeopleshoulddosomethingaboutglobalwarmingornot.I(1)II(2-3)III(4-8)IV(9)SkimmingMatchthepartswitht72ScanningMatchthepartswiththewritingskills:Using

aquestion,leavingreaderstothinkovertheissueRaisingaquestionGivingexamples,makingcontrast(comparison)Givingexamples,usinggraphs,explanationI(1)II(2-3)III(4-8)IV(9)I(1)II(2-