56高中英语 Unit22 Lesson 1 Reading课件 北师大版选修8

Unit22EnvironmentalProtection北师大高中英语第八模块Inthislesson,we’llbeableto1.understandsomenewwords.2.understandthetextandgetthekeyinformation.3.talkaboutactivitiestoprotecttheenvironmentwiththeexpressionslearnedinthetextEarthislikeaparadise（天堂）,soitattractsthepeoplefromotherplanet.Butaftertheirvisiting,theythinkit’smorelikeahell(地狱).Whydotheythinkit’smorelikeahell(地狱)?GLOBALWARMINGWHOIsTHECULPRIT(肇事者)??????WEaretheonescausingItAtsomeplaces,itIncreasedTemperatureMeltingPolaricecapsAtothers……DON’TCRYIt’sNOTtooLATEACTNOW!!!!Whichcountriesdoyouthinkcontributemoretoglobalwarming?A.developedcountriesB.DevelopingcountriesWhy?Wordstudy•Scanthetextforthesefollowingwordsandworkouttheirmeanings.•consensus,bounce,agriculture,coincidence,condemn,reservation,sacrifice,advocateScanning•1.Inthelastfewdecades,scientistshavereachedconsensusandreportedthathumanbeingsarecausingchangesintheearth’sclimate•2.Withoutthesenaturallyoccurringgases,thesun’srayswouldbouncebackintospaceleavingtheEarthcoldandimpossibletoliveon.agreementjumpback•3.Giventhisdata,itseemsthatthelinkbetweenhumanactivitiesandrisingglobaltemperaturesisnotmerelyacoincidence.•4.ifwecontinuetoproducecarbondioxideandothergasesinsuchhugequantities,wearecondemninglifeonEarth巧合destroying•5.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________________.bepinnedonhumanactivitiesinsuchhugequantitiesdisastersreducetheamountofcarbondioxideplaytheirpartAnswerquestionsandgetfreegifts!Comeon!GOWhatisglobalwarming?GlobalwarmingisanaverageincreaseintheEarth’satmosphere.BACK•Whathumanactivitiesarecausingglobalwarming?Industry,agriculture,transportation,deforestation,andburningoffuelsarecausingglobalwarmingBACKHowcanindividualshelpsolvetheproblemofglobalwarming?Asindividualsweshouldplayourpart,wecanmakesmallchangesliketakingpublictransport,recycling…BACKAregreenhousegasesnecessaryforlifeonEarth?Yes,theyare,becausetheytrapheatintheatmosphereoftheearth.OtherwisetheEarthwouldbecoldandunsuitableforlife.BACKThereisnothingmorewecando.thesituationisnow.theaccident,sheisnowafraidofwater.Thescientistglobalwarmingatleastthreetimesinhisspeech.Thefactorywasproducinggreenhousegases.beyondourcontrolAsaresultofreferredtoinhugequantitiesBACKFillintheblankswithphrasesinthetext.GLOBALWARMINGACTRESS:贾丹丹肖梦彭丽君白青云王盼丽Character：ThehostScientistAScientistBScientistCScientistDReadthetextanddoEx5,6onyourhandouts