2023学年完整公开课版B6U4reading

Unit4GlobalwarmingDoyoustillrememberthefollowingcatastropheinrecentyears?

disasteraseverefloodinSouthChinaaseriousdrought

inNorthChinaafiercetsunamiintheIndiaOceanasnowcatastrophein2008Aterribletyphoon

ItisGlobalwarmingthataccountsforitHowdoesthecatastrophecomeabout?Itisman’sgreed

forenergy

thathascausedglobalwarming.Wedependonenergytodomanythingsinourdailylife.Thatis,weareconsumingenergyeveryminuteinourlife.Inwhatwaysdoweconsumeenergy?Makealistofthethingsthatconsumeenergyinourhome,inourschoolandinotherplaces.stovelight

thingsthatconsumeenergyinyourhomemicrowave微波炉airconditioner

televisionhairdryer

fridge

computer

washingmachinestove火炉Duetoenergy,weareleadingamoreconvenientandcomfortablelife.otherelectricalappliances电器设备Energyistohumanswhatwateristofish.Wheredoesallthisenergycomefrom?sourceswaterwindsunnuclearcoaloilwindWindenergyisusedaspowertoproduceelectricitybywindmills.风车whereelectricityisproducedby________coal.burningacoalpowerstationnuclearpowerplantItisdesignedto_________nuclearenergy_____electricity.

transforminto=factorysolarpanelsSolarpanelsontheroofofahouseareusedto_______solarenergy,makingourhousewarmorheatingourwater.太阳能电池板collectTheyareusedtokeepbackwaterandraiseitslevelforirrigationorproducingelectricity,etc.ahydro-electricdam水力发电大坝inwhichoilisrefinedandmadepure.TheOilRefineries炼油厂

CarbondioxideCO2FossilFuels(化石燃料)coaloilnaturalgas●●●●●●Wegetenergybyburning…inourlife.

Whatwillhappenifthereistoomuchcarbondioxideexistingintheatmosphere?GlobalWarmingTheearthisbecomingwarmer---Butdoesitmatter?Whowrotethearticle?

SophieArmstrong..2.Whatarenamesofthethreescientistsmentionedinthetext?SkimmingDr.JaniceFosterCharlesKeelingGeorgeHambleyTips:

certainnounsarespeltwithacapitalletteratthebeginning,forexample,namesofpeopleandplaces,tilesofmagazines,papers,storiesandbooks.3.Whatarethetwographsabout?Thefirstgraphshowstheearthisbecomingwarmerfrom1860to2000.Thesecondgraphshowsthecarbondioxideintheatmosphere

wentupfrom1957-1997.SkimmingDividethetextaccordingtothemainideas:Explainhowglobalwarmingcomesabout.Listtwodifferentattitudesamongscientiststowardstheconsequencesofglobalwarming.Introducetheproblemofglobalwarming.It’suptoreaderstothinkanddecidewhetherpeopleshoulddosomethingaboutglobalwarming.I(1)II(2-5)III(6)IV(7)Para.1Para.2-5IIIPara.6IIIPara.7IVIntroductionBodyConclusion5.Thepassagemaycomefrom______.

A.anovelB.ajournalC.amagazineD.aAd.

PartII(Para2-5)Whocausedtheglobalwarming?Howare“greenhouse”gasesproduced?Howdoesgreenhouseeffectcomeabout?Itisthehumanactivitiesthat…Greenhousegasesarethebyproductoftheburningof________________likecoal,naturalgasandoil.fossilfuelsDetailed-readingGreenhouseeffectisan_____phenomenon.whichisduetothegreenhousegases.Theycanwarmtheearthbyt_______heatfromthesun.Buttheproblembeginswhenweaddhugeq

ofe_____carbondioxidetotheatmospherebyburningfossilf

.Therefore,moreheatenergyist

intheatmosphere.Itistheincreasedamountofcarbondioxidethatr______inglobalwarming.Let’shaveabetterunderstandingofgreenhouseeffectbyfillingintheblanks

uantitiesuelsrapped

esultsxtrarappingaturalTip:

Youcanknowsomebody’sopinionthroughunderstandinghis____________orwhathesaid.WhatdoDr.JaniceFoster

andthescientist

GeorgeHambley

thinkabouttheresultsofglobalwarming?Dotheyagreewithoneanother?

quotations(引言)Part

III(Para.6.)Dr.JaniceFoster____________________________________________________________________________________.GeorgeHambley____________________________________________________________________________________.PartIII(Para4-6)

thinksthetrendwouldbeacatastropheandtheeffectsof

globalwarmingcouldbeveryserious.

thinksglobalwarmingwillbemildwithfewbadenvironmentalconsequences

andmorecarbondioxideisactuallyapositivething.

Whataretheirattitudestowardstheconsequencesofglobalwarming?globalwarmingwillbe______withfewbadenvironmental________.Morecarbondioxideisa________thing,whichmakescrops__________moreandwillencourage__________________.Carbondioxidehascausedtheglobaltemperatureto__________.Anincreaseoffivedegreeswouldbea__________andcouldbevery________.Dr.JaniceFosterGeorgeHambleygoupcatastropheseriouspositiveproduceagreaterrangeofanimalsthedifferentideasbetweenDr.JaniceFoster&GeorgeHambleymildconsequences

Theydon'tagreewitheachother.

Doesglobalwarmingmatter?Positiveeffects

Negativeeffects

causethesealeveltoriseseverestormsfloodsdroughtsfaminesthespreadofdiseasesdisappearanceofspeciesNegativeeffects

causethesealeveltoriseseverestormsfloodsdroughtsfaminesthespreadofdiseasesdisappearanceofspeciesPositiveeffects

Negativeeffects

makeplantsgrowfastercropswillproducemoreagreaterrangeofanimalsmakelifebetterPart.4.(para.7)Whatwillglobalwarmingbringtousinyouropinion?Idea-sharingNooneknowstheeffectsofglobalwarming.Doesitmeanweshoulddonothing?Or,aretheriskstoogreat?Weshoulddosomethingnew.Whatcanwedo?1.saveenergy2.findcleanenergy3.growmoretrees4.developeconomicalequipment5.reducepollution6.…TrueorfalseReadthearticleagaintotestyourreadingcomprehension1.Thetemperaturelastcentury