2023学年完整公开课版Unit22Lesson1Reading（北师大版）

Unit22EnvironmentalProtection北师大高中英语第八模块Canwetaketheheat?Inthislesson,we’llbeableto

1.understandsomenewwords.2.understandthetextandgetthekeyinformation.3.talkaboutactivitiestoprotecttheenvironmentwiththeexpressionslearnedinthetextobjectivesEarthislikeaparadise(天堂)!Earthislikeaparadise(天堂)!Earthislikeaparadise(天堂)!Earthislikeaparadise(天堂)!Earthislikeaparadise(天堂)!Earthislikeaparadise(天堂)!Earthislikeaparadise（天堂）,soitattractsthepeoplefromotherplanet.Butaftertheirvisiting,theythinkit’smorelikeahell(地狱).WHY？Whydotheythinkit’smorelikeahell(地狱)?ItsallbecauseofGLOBAL

WARMINGWHOIsTHECULPRIT(肇事者)??????YOUMEHESHEWEaretheonescausingItAtsomeplaces,itIncreasedTemperatureMeltingPolaricecaps

FloodAtothers……DroughtDeadfisheshungerDON’TCRYIt’sNOTtooLATEACTNOW!!!!Let’slearn

howtostopglobalwarming!Whichcountriesdoyouthinkcontributemoretoglobalwarming?A.developedcountriesB.DevelopingcountriesWhy?

WordstudyScanthetextforthesefollowingwordsandworkouttheirmeanings.consensus,bounce,agriculture,coincidence,condemn,reservation,sacrifice,advocateScanning1.Inthelastfewdecades,scientistshavereachedconsensusandreportedthathumanbeingsarecausingchangesintheearth’sclimate2.Withoutthesenaturallyoccurringgases,thesun’srayswouldbouncebackintospaceleavingtheEarthcoldandimpossibletoliveon.agreementjumpback3.Giventhisdata,itseemsthatthelinkbetweenhumanactivitiesandrisingglobaltemperaturesisnotmerelyacoincidence.4.ifwecontinuetoproducecarbondioxideandothergasesinsuchhugequantities,wearecondemninglifeonEarth巧合destroying5.Somegovernment,forexample,theUSA’sfederalgovernment,expressreservationsaboutwhetherglobalwarmingisreallycausedbyhumanactivities.6.Expertsadvocatedthateachpersonplaytheirparttosavetheearth.保留意见putforwardandsupportMatchtheKeyWordswiththeirChinesemeanings.1.consensus2.bounce3.agriculture4.coincidence5.condemn6.reservation7.sacrifice8.advocateA.反弹B.农业C.巧合D.一致的意见E.保护

F.宣判死刑G.主张，提倡H.牺牲Gistreading:Skimthetextandmatchtheheadswiththeparagraphs.1.Drawreaders’attentiontothetopicbyaskingquestions.2.Whatshouldhumanbeingsdo.3.Whatisglobalwarming.4.Consequencesofglobalwarming.

5.WhatcauseglobalwarmingPara1.Para2.Para3.Para4.Para5.Carefulreading(1)Para.1Introduction:Humanbeingsarecausing____anditisbelievedthat________couldbeoneofthebiggest______inthe21stcentury.Para.2Definition:Globalwarmingrefersto_____intheEarth’stemperaturethat,inturn,______climatechange.Para.3Causes:Manyexpertsinsistthattheblameforthisglobalwarmingcanmostly____.Para.4Consequences:Ifwecontinuetoproducegreenhousegases______.Therewillbemore______suchasfloodings,heatwavesanddroughts.Para.5Action:Allgovernmentshavearesponsibilityto____andeachpersonshould_____.Para.1Introduction:Humanbeingsarecausing______________________________anditisbelievedthat________________couldbeoneofthebiggest_____________________________inthe21stcentury.Para.2Definition:Globalwarmingrefersto________________________intheEarth’stemperaturethat,inturn,___________climatechange.changesintheEarth’sclimateglobalwarmingenvironmentalproblemsanaverageincreaseleadtoPara.3Causes:Manyexpertsinsistthattheblameforthisglobalwarmingcanmostly_________________________.Para.4Consequences:Ifwecontinuetoproducegreenhousegases____________________.Therewillbemore___________suchasfloodings,heatwavesanddroughts.Para.5Action:Allgovernmentshavearesponsibilityto_________________________________andeachpersonshould________________.bepinnedonhumanactivitiesinsuchhugequantitiesdisastersreducetheamountofcarbondioxideplaytheirpartGAMETIMEAnswerquestionsandgetfreegifts!Comeon!GOWhatisglobalwarming?GlobalwarmingisanaverageincreaseintheEarth’satmosphere.BACKWhathumanactivitiesarecausingglobalwarming?Industry,agriculture,transportation,deforestation,andburningoffuelsarecausingglobalwarmingBACKHowcanindividualshelpsolvetheproblemofglobalwarming?

Asindividualsweshouldplayourpart,wecanmakesmallchangesliketakingpublictransport,recycling…BACKAregreenhousegasesnecessaryforlifeonEarth?Yes,theyare,becausetheytrapheatintheatmosphereoftheearth.OtherwisetheEarthwouldbecoldandunsuitableforlife.BACKThereisnothingmorewecando.thesituationisnow

.

theaccident,sheisnowafraidofwater.Thescientist

globalwarmingatleastthreetimesinhisspeech.Thefactorywasproducinggreenhousegases

.beyondourcontrolAsaresult