造成极端天气频繁的一个重要原因就是全球变暖.ppt

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1、Unit4GlobalWarmingwww.themegallery.comHowdidcomeabout?thesnowcatastropheSomescientistsbelievedthatglobalwarmingwasoneofthemajorreasonswhysuchextremeclimatelikeseverestormsandheavysnowfrequentlycameabout.孙广勇造成极端天气频繁的一个重要原因就是全球变暖。www.themegallery.comThi

2、nkabout:Whatcausesglobalwarming?Humanactivityorarandombutnaturalphenomenon?Whenwetalkaboutthisproblem,wenaturallylinkittotheuseofenergyandtheenvironmentalpollution.www.themegallery.comButfirstlyandimportantly,energymakesagreatdifferencetoourlives.What

3、thingsdoweuseenergyfor?We____________energytodomanythingsinourlives.Foraxample,energy______ourcitiesand______ourbuildings.Whatotherthingsdoweuseenergyfor?dependonlightsheatswww.themegallery.comThingsthatuseenergyaroundusoratanyotherplaces:InahouseWher

4、edoesallthisenergycomefrom?www.themegallery.comPlaceandtherelatedenergyWindpowerwindwww.themegallery.comPlaceandtherelatedenergyacoalpowerstationcoalwww.themegallery.comPlaceandtherelatedenergyoilrefinery（提炼厂）oilwww.themegallery.comPlaceandtherelatede

5、nergynuclearpowerstationUranium铀www.themegallery.comPlaceandtherelatedenergysolarpanels（镶板）solarpowerwww.themegallery.comPlaceandtherelatedenergyahydro-electricpower（与水有关的）waterwww.themegallery.comEnergyathome,school…sourcesofenergythingsusingenergyLi

6、ghtsHeatingTelevisionCassetteplayerVideorecorderComputerFridgeStoveWashingmachineHairdryerCoalOilNaturalgasWind(windpower)Sun(solarenergy)Uranium(nuclearenergy)Water(hydro-electricpower)www.themegallery.comEnergyathome,school…sourcesofenergyrenewableo

7、rnon-renewableCoalOilNaturalgasWind(windpower)Sun(solarenergy)Uranium(nuclearenergy)Water(hydro-electricpower)Non-renewableNon-renewableNon-renewableRenewableRenewableNon-renewableRenewablewww.themegallery.comLet’strytosaveenergy!Tosaveenergyistosaveo

8、urearth!!Slogan['sləugən]----n.标语,口号www.themegallery.comAsweknow,coal,oilandnaturalgasarecalled__________________,whichisakindofenergy.Itcanmakeagreat__________toourlives.Butdoyouknowwhatby________isproducedwhenweburnfossilfuel?Isitgoodforourp