选修6unit4warmingupreading的课件资料

选修6unit4warmingupreading的课件资料第1页/共40页Canyoutellwhatweuseenergyfor?Energylightsourcities.Energyheatsourbuildings.Energyentertainsus.(watchingTV,playingcomputersetc)…第2页/共40页Wheredoesalltheenergycomefrom?windmills风力第3页/共40页Wheredoesalltheenergycomefrom?Acoalpowerstation燃煤发电站第4页/共40页Wheredoesalltheenergycomefrom?Anoilrefinery炼油厂第5页/共40页Wheredoesalltheenergycomefrom?Anuclearpowerplants原子能发电站第6页/共40页Wheredoesalltheenergycomefrom?Solarpanels

太阳能接收器第7页/共40页Wheredoesalltheenergycomefrom?Ahydrodam

水坝第8页/共40页What’sthedifferencebetweenwindpowerandcoalpower?

Windwillneverrunoutwhilecoalisalimitedresource.What’srenewableenergy?What’snon-renewableenergy?第9页/共40页Negativeeffectsofusingenergy

IncreasingCO2GlobalwarmingPollution…第10页/共40页Whatisagreenhousemadeofandusedfor?2.Howdoesitwork?Pre-reading第11页/共40页Agreenhouseismadeofglassandisusedforgrowingplants,especiallyduringcoldweather第12页/共40页Howdoesitwork?Theairinsideiswarmbecausetheglasstrapstheheatfromthesunandkeepsitfromescaping.Thismakesthegreenhouseheatupandsotheplantscangrowthroughoutthecoldperiod.第13页/共40页Whatarethegreenhousegases?Intheatmospheresurroundingtheearththerearegasescalled“greenhousegases”,includingcarbondioxide,methane(甲烷，沼气)，andwatervapor.第14页/共40页Whatdoyouthinkgreenhousegasesdo?Theytrapheatfromthesunandthereforewarmtheearth.第15页/共40页VideoTimeEnjoythevideo,andthenanswerthefollowingquestions:Whydoestheice-creammelt?Howdoestheglobalwarminghappen?Newwords:Globalwarming:全球变暖Greenhousegas：温室气体Icecube:冰块Rottingcorpse:腐烂的尸体第16页/共40页THEEARTHISBECOMINGWARMERBUTDOESITMATTER?第17页/共40页

onedegreeFahrenheitarapidincreasecomparedtocomeaboutgraphrandomnaturalphenomenonsubscribetofossilfuelsbyproductcarbondioxide

一华氏度快速增长与…相比发生图表胡乱任意的自然现象捐赠、订阅、同意化石燃料副产品二氧化碳第18页/共40页

trapheatCelsiusquantitiesoftendtoperdataresultintrendcatastropheflooddrought

留住热量

摄氏度

许多大量

趋向

每

数据

导致

趋势

大灾难

水灾

旱灾

faminebeopposedtomildenvironmentalconsequencestaterangereducekeepondecade

饥荒反对温和的

环境的结果陈述说明种类范围减少继续十年第19页/共40页Mainideasofeachpart:Introduceadebateovertheissueofglobalwarming.Part2(2-5)Howglobalwarmingcomesabout.Part3(6)Part4(7)Listtwodifferentattitudesamongscientiststowardsglobalwarming.It'suptoreaderstothinkanddecidewhetherpeopleshoulddosomethingaboutglobalwarmingornot.Part1(1)第20页/共40页1.Whofoundouttheamountofcarbondioxideintheatmospherefrom1957to1977?A.Dr.JaniceFoster.B.CharlesKeeling.C.GeorgeHambley.D.SophieArmstrong.Choosethebestanswer.Detailed-Reading第21页/共40页2.Theauthorprobablyagreesthat_______.actuallyglobalwarmingisgoodformanB.weshoulddonothingaboutglobalwarmingC.catastropheswillhappeniftheglobekeeps

onwarmingD.alotremainstobefoundoutabouttheeffectsofglobalwarming

第22页/共40页3.What’sthemainideaofthesecondparagraph?A.Thecauseoftheearth’sbecomingwarmer.B.Theconsequenceofburningfossilfuels.C.Theincreaseofcarbondioxide.D.Globalwarmingwillgoon.第23页/共40页4.What’sthetopicsentenceofthefifthparagraph?

A.Puzzlesaboutglobal.

B.Differentattitudestoglobalwarming.

C.Anintroductiontothepassage.

D.Resultsofglobalwarming.第24页/共40页5.Whichofthefollowingisnottrueaccordingtothepassage?A.thetemperatureinthelastcenturydidn’tseemtoincreasemuchB.EveryonebelievesthatglobalwarmingiscausedbytheactivitiesofhumansC.TheriseincarbondioxideiscausingasteadyincreaseinglobalwarmingD.JaniceFosterbelievesthatshecanpredictfutureglobalriseintemperature/第25页/共40页Trueorfalse?1.Thetemperatureinthelastcenturydidnotseemtoincreasemuch.2.Everyonebelievesthatglobalwarmingiscausedbytheactivitiesofhumans.3.JaniceFosterbelievesthatshecanmeasurethefutureglobalriseintemperature.TTF第26页/共40页4.Theriseincarbondioxideiscausingasteadyincreaseinglobalwarming.5.GeorgeHambleybelievesthatglobalwarmingwilldogoodratherthanharmtotheearth.6.Itisclearwhattheeffectsofglobalwarmingwillbe.TTF第27页/共40页Enjoyasong~~Listentoasongandfillintheblanksonyourpaper~~~~~~~第28页/共