unit_4_global_warming&reading

GlobalWarmingCanyoudescribethiscartoon?Fromthecartoon,weadrawaconclusion:Listthingsthatuseenergysourcesofenergyrenewable/non-renewableWedependonenergytodomanythingsinourdailylives.Makealistofthethingsthatconsumeenergyinyourhome,schooloranyotherplaces.Lights,heating,television,pad,videorecorder,computer,fridge,washingmachine,hairdryer,airconditioner,cars….Wheredoestheenergycomefrom?Energysources:renewableandnon-renewablesources.Renewablesources:energysourcesthatneverrunout.Non-renewable:energysourcesthatwillrunoutoneday.Makealistofenergysources.acoalpowerStation(燃煤发电站)non-renewablecoalwindpower(风力)renewableOil(anoilrefinery)炼油厂non-renewable[ri'fainəri]精炼厂solar-energyrenewablenuclearenergy(anuclearpowerplant核电站)naturalgasPlantwastehotsprings(温泉)thesea(tidalenergy潮汐能)Water(hydro-electricpower)non-renewablerenewablerenewablerenewablerenewablenon-renewablemoresourcesofenergyrenewableornon-renewable1.consumeenergy2.greenhouse3.greenhousegases4.thegreenhouseeffect5.degreeFahrenheit6.degreeCelsius7.atmosphere8.fossilfuel9.carbondioxide10.renewablesource11.non-renewablesource12.Naturalresources•消耗能源•温室•温室气体•温室效应•华氏度•摄氏度•大气层•化石燃料•二氧化碳•可再生资源•不可再生资源•天然资源Relatedwords:['færənhait]['selsiəs]•Nowthatwehavelearnedsomesourcesofenergyarenon-renewable,Whatshouldwedowithenergy?•---Weshouldsaveenergyandthusreducetheemission(排放)ofgreenhousegases.agreenhousePre-readingWhatisagreenhousemadeof?Howdoesitwork?Itismadeof_____andplantscangrowinitwhenit’scoldoutside,becausetheglass______theheat______thesunandkeepsitfrom_______.Thismakesthegreenhouse_________andsotheplantscangrowthroughoutthecoldperiod.glasstrapsfromescapingheatupWhatfunctiondogreenhousegasesplay?Greenhousegasesperformthesamefunctionas_________ofaglasshouse.They_____heatfromthesunandkeeptheairs________theearthwarm,whichiscalled___________effect.温室效应Doweneedthosegases?Withoutthe“greenhouseeffect”,whatwouldhappen?Theearthwouldbeabout33℃coolerthanitis.theglasstrapurroundingthegreenhouseTheEarthisBecomingWarmer--ButDoesItMatter?1)Howmanyparagraphsdoesthereading2)Whatarethetwographsabout?3)Whatskillsareusedinthefourparts?Readthepassagequickly(3’)textconsistof?Pleasenumberthem.Fast-ReadingWhatarethetwographsabout?ThefirstgraphshowsthetemperatureincreaseofonedegreeFahrenheitbetween1860to2000.Thesecondgraphshowsthecarbondioxidecontentintheatmospherefrom1957to1997.Mainideasofeachpart:skillsPart1(1)Introduceadebateovertheissueofglobalwarming.raisingaquestionPart2(2-5)Howglobalwarmingcomesabout.givingexamples,usinggraphs,explanationPart3(6)Listtwodifferentattitudesamongscientiststowardsglobalwarming.Part4(7)It'suptoreaderstothinkanddecidewhetherpeopleshoulddosomethingaboutglobalwarmingornot.givingexamples,makingcontrastleavingaquestionWhowritesthisarticle?SophieArmstrongofEarthCareWhatroseaboutonedegreeFahrenheit?Thetemperatureoftheearth.CarefulreadingPart1(1)Introductionofglobalwarming.2.___________________________1.___________________Part2(2-5)Howglobalwarmingcomesabout?theburningoffossilfuelshumanactivityCarbondioxideMethaneWhataretheGreenhousegases?1.2.3.WatervaporPart3(6)Whataretheeffectsofglobalwarming?ariseinthesealevelSeverestorms,droughts,famines,thespreadofdiseases,andthedisappearanceofspeciesMakeplantsgrowfaster1.ThedifferentideasbetweenDr.JaniceFoster&GeorgeHambleyDr.JaniceFosterGeorgeHambleyCarbondioxidehascausedtheglobaltemperatureto__________.Anincreaseoffivedegreeswouldbea___________andcouldbe_____________.Morecarbondioxideisa__________thing,whichmakescrops__________moreandwillencourage______________________________.goupcatastropheveryseriouspositiveproduceagreaterrangeofanimalsAstatement:Weshoulddonothingaboutglobalwarming.Agreeordisagree?Why?Group-discussion:Saveenergy:forexample_______________Traffic:Recyclewaste(bottole,can,plasticbags),circumstancespermittingBuysomeenergy-savingthingsPlanttreesTrytoadvocatesomethingaboutglobalwarming…Newwordsandexpressions:comeabout:beatrandom:subscribeto:quantitiesof:goup:resultin:beopposedto:evenif:keepon:onthewhole:onbehalfof:putupwith:发生；造成随机的；任意的同意，赞成；订购；捐献大量的上升；增长；升起导致；造成反对即使；尽管继续大体上；基本上代表…一方忍受；容忍Para1:…butitisarapidincreasewhenitiscomparedtoothernaturalchanges._____withthesizeofthewholeearth,thebiggestoceandoesn’tseembigatall.A.CompareB.WhencomparingC.ComparingD.WhencomparedD解析：whenthebiggestoceaniscomparedwiththesizeofthewholeearth,thebiggestoceandoesn’tseembigatall.Comparevt.1)比较;对照compare…with…表示“把……与……相比(同类相比)”如：Compareyouranswerswithyourpartners,andyoumayfindthecorrectanswer.2)喻为;比拟compare…to…表示“把……比做……(异类相比,比喻)”如：Ateacherisoftencomparedtoacandle.知识拓展becomparedto/with与……相比,一般在句子中作状语。Comparedto/withmanywomen,shewasindeedveryfortunate.comeabout:发生,造成,相当于happenHowdidthiscomeabout?Withthereformandopening-uppolicy,greatchangeshavecomeaboutinourvillage.comeout出现;传开;出版comeover来访comeacross偶遇cometov.想起；共计•Whenhecametoandraisedhishead,hesawBarney.2.Sohowhasthiscomeaboutanddoesitmatter?comeabout是不及物短语。如：Pleasetellmehowtheaccident___.Iamstillinthedark.A.camebyB.cameoutC.cametoD.cameaboutDPara2:thereisnodoubtthattheearthisbeco