Unit+3+Environmental+Protection+Reading+and+Thinking高中英語人教版（2019）選擇性必修第三冊

Unit3EnvironmentalProtectionReadingandThinkingTeachingObjectives:1.Knowaboutclimatechangeandsummarisethemainideaofeachparagraph.2.Learnaboutthe"greenhouseeffect"andcreateadiagramdescribinghowitworks.3.Analysetheconsequencesofclimatechangeandenhancetheawarenessofenvironmentalprotection.Keyanddifficultpoints:Keypoint：Learnaboutthe"greenhouseeffect"andcreateadiagramdescribinghowitworks.Difficultpoint：Voicetheirpersonalopinionsabouthowtodealwithclimatechange.Earthprovidesenoughtosatisfyeveryman'sneeds,butnoteveryman'sgreed.---MohandasK.Gandhi地球能滿足人類的需要，但滿足不了人類的貪婪。Part1Lead-inWhatisitabout?Lookatthepictureandgraphbelow.Whatinformationcanyougetfromit?Theearthisbecomingwarmerandwarmer.Why?Becauseoftheglobalwarming.Whatotherconsequencesoftheglobalwarming?Part2Pre-readingPredictthemainideafromthetitleandpictures.Globalwarminghascausedsomedisastersandwemustpayattentiontoit.Vocabularystarvedieof/fromstarvation餓死starvetodeath餓死bestarving感覺很餓，餓極了bestarvedof/for缺乏......練習(xí)：They'lleitherdiefromthecoldorstarve_______death.tovi.&vt.(使)挨餓;餓死Vocabularyrefertorefer...to...把……送交給……(以求獲得幫助等)referencen.提及,涉及;查閱,參考;推薦信in/withreferenceto關(guān)于forfuturereference供日后參考練習(xí)：Ipromisenot____________(提到)thismatteragain.toreferto1.指的是2.提到,談到Vocabularyreleasereleaseaprisoner釋放囚犯areleasefromprison從獄中釋放releaseamovie發(fā)行影片thelatestrelease最新版本練習(xí)：Onthepeak,sheburstintotears,____________(release)allheremotions.releasingvt.&n.排放;釋放;發(fā)布Vocabularyrestrictrestrictionn.限制規(guī)定;限制法規(guī);約束restrict...to...把......限制在......restrictone’sfreedom限制某人的自由speedrestrictions速度限制arestrictiononsmokinginschools禁止在學(xué)校吸煙練習(xí)：Accesstotheclubisrestricted_______membersonly.tovt.限制;限定(數(shù)量、范圍等);束縛;妨礙Part3While-readingFast-readingReadthepassageandmatchthemainideawitheachparagraph.Para.1Para.2Para.3Para.4Para.5A.Solutionstoreducinggreenhousegasemission.B.Theeffectofrisingtemperature.C.Earthisgettingwarmerandwarmer&evidence.D.Theevidence(alarmingcases)ofclimatechange.E.Thecauseofrisingtemperature.Fast-readingRead&Think:ThestructureandtexttypeProblemCausesConsequencesSolutionFast-readingRead&Think:Choosetherightanswer1.What'sthefunctionofthefirstparagraphofthetext?A.Tointroducethetopic.B.Totellusclimatechangehasbeenknownfordecades.C.Toshowtheevidenceofclimatechange.D.ToconfirmthatEarthisgettingwarmerandwarmer.2.Whyisthephotoofadeadpolarbearmentioned?A.Todescribehowpeoplewereshocked.B.ToshowhowglobalwarminginfluencedEarth'secology.C.Tostudyhowthebeardied.D.Toexplainwhythebearhadstarvedtodeath.Fast-readingRead&Think:Choosetherightanswer3.Whydotheclimatescientistsgiveawarning?A.Theydon'twanttofindmoredeadanimals.B.Newsreportsdealwithclimatechangewrongly.C.Climatechangehasbroughtnaturaldisasters.D.Theyhavefoundmoreevidence.4.Whydoesclimatechangerequiretheworld'sattention?A.Thenumberofpolarbearsissmallerandsmaller.B.Newsreportsareoftenbroadcastaboutextremerainstormsandheatwavescausingdeathsandlosses.C.Governmentscanforcepeopletoreduce"carbonfootprint".D.Itisaffectingallofusontheplanetandifitisleftalone,wewillpayanevenhigherprice.ReadingfordetailsPara.1Wehaveknownaboutclimatechangefordecades.ThereislittledoubtthatEarthisgettingwarmerandwarmer(seethegraph).Awarmingoceanandatmospherealongwithmeltingiceandrisingsealevelsprovideevidenceofadramaticchangeintheglobalclimate.毫無疑問……短語介詞，意為“與……一起”ReadingfordetailsPara.1Whatistheproblemaboutclimatechange?The________isgettingwarmerandwarmer.EarthclimatechangeEvidence2:_____________________Evidence1:___________________________Evidence3:___________________________awarmingoceanandatmospheremeltingicerisingsealevelsIn2013,alotofpeoplewereshockedbyanewsphotoofadeadpolarbearthatwasfoundonNorway’sArcticislandofSvalbard.Accordingtothescientistswhofounditsdeadbody,allthatremainedofthepolarbearwas“skinandbones”.Anexpertwhohasstudiedpolarbearsformanyyearssaidthatfromthepositionofitsdeadbody,thebearappearedtohavestarvedanddied.Expertsclaimedthatlowsea-icelevelscausedbyclimatechangemeantthebearcouldnothuntsealsasbefore,soithadtotravelgreaterdistancesinordertofindfood.ThisalarmingcaseshowedhowtheincreaseintemperaturehadanimpactonEarth’secology.定語從句，修飾先行詞polarbearReadingfordetailsPara.2定語從句，修飾先行詞expertadj.饑餓的n.生態(tài)學(xué)；生態(tài)動詞不定式短語，作系動詞appear的表語過去分詞短語作后置定語ReadingfordetailsPara.2Anexampleofclimatechange?ThenewsphotoofadeadpolarbearwastakeninNorway’sArcticofSvalbardin2013.?Thepolarbearwas“l(fā)ittlemorethanskinandbones”.ReadingfordetailsPara.1-2Canyouuseyourwordstodescribehowclimatechangehaveinfluencedthepolarbear’slife?ClimatechangeLowsea-icelevelsBearscouldnothuntItsdeadbodyfoundStarvedtodeathHadtotravellongerdistancetofindfoodReadingfordetailsPara.3Thenwhatiscausingtheincreaseintheglobalaveragesurfacetemperature?Climatescientistsoftenmentionakeyclimateprocesscalledthe“greenhouseeffect”,whichhastwocommonmeanings:the“natural”greenhouseeffectandthe“man-made”greenhouseeffect.The“natural”greenhouseeffectreferstothefactthatheatfromthesunenterstheatmosphereandwarmsEarth’ssurfaceasshort-waveradiation.過去分詞短語作后置定語非限制定語從句，對先行詞the"greenhouseeffect"進(jìn)行補(bǔ)充說明that引導(dǎo)的同位語從句，解釋說明thefact的具體內(nèi)容ReadingfordetailsPara.3Theheatisreleasedbackintospaceatlongerwavelengths.Greenhousegasesintheatmosphere,suchasmethaneandcarbondioxide,trapsomeoftheheat,keepingEarth’sclimatewarmandhabitable.Withoutthisprocess,Earthcouldnotsustainlife.However,the“man-made”greenhouseeffecthasnowbecomeabigproblem.Whenpeopleproducehugeamountsofextragreenhousegasesbyburningfossilfuels,moreheatenergyistrappedintheatmosphereandcausesEarth’ssurfacetemperaturetorisequickly.v.松開，排出，免除adj.碳的；碳處理的v.支撐；支援；維持n.燃料現(xiàn)在分詞短語作結(jié)果狀語動詞不定式短語作賓補(bǔ)ReadingfordetailsPara.3ReadParagraph3,andfigureoutthereasonwhyearth’stemperaturerising.KeepingEarth’swarmandhabitable“Natural”greenhouseeffect“man-made”greenhouseeffectCausingEarth’ssurfacetemperaturetorisequicklyiftoomuchheatenergyistrappedGreenhouseeffectReadingfordetailsPara.4Thereisstrongandcomprehensiveevidencethattheriseintemperaturehasledtoanincreaseinextremeweatherandnaturaldisastersworldwide,notonlycausingseriousdamage,butalsocostinghumanlives.Climatescientistshavewarnedthatifwedonottakeappropriateactions,thiswarmingtrendwillprobablycontinueandtherewillbeahigherpricetopay.Infact,newsreportsarefrequentlybroadcastaboutextremerainstormsandheatwavescausingdeathsandeconomiclosses.adj.綜合性的，全面的n.趨勢，傾向adv.經(jīng)常地adj.廣播的；廣泛散布的確鑿、全面的證據(jù)表明……兩個并列的現(xiàn)在分詞短語作結(jié)果狀語動詞不定式作定語現(xiàn)在分詞短語作后置定語ReadingfordetailsPara.4Whataretheconsequencesoftheglobaltemperaturerise?Theriseintemperatureleadstoextremeweather/naturaldisastersextremerainstorms,heatwavesexamplesseriousdamage,costinghumanlives,economiclossesresultsReadingfordetailsPara.5Whatis“carbonfootprint”?ReadingfordetailsPara.5Whatcanwedotohelpreducetheglobalwarming?solutionsgovernmentsmakepoliciestakeappropriateactionsandmeasuresindividualsreduceour"carbonfootprint"by…educateeveryoneaboutglobalwarmingPart4Post-readingSummarizingCLIMATECHANGEREQUIRESTHEWORLD’SATTENTIONThepresentsituationThecausesTheimpactsThesolutionsEarthisgettingwarmerandwarmer.Awarmingoceanandatmospherealongwithmeltingiceandrisingsealevels.The“man-made”greenhouseeffecthasnowbecomeabigproblem.HugequantitiesofextragreenhousegasesproducedbyburningfossilfuelscauseEarth'ssurfacetemperaturetorisequickly.Theriseintemperaturehasledtoanincreaseinextremeweatherandnaturaldisastersworldwide.Newsreportsarefrequentlybroadcastaboutextremerainstormsandheatwavescausingdeathsandeconomiclosses.Governmentsneedtoconsidermakingpoliciesandtakingappropriateactionsandmeasures.Weasindividualscanreduceour“carbonfootprint”byrestrictingtheamountofcarbondioxideourlifestylesproduce.根據(jù)課文內(nèi)容和語法規(guī)則完成短文Thereislittledoubt1._________Earthisgettingwarmerandwarmer.In2013,alotofpeople2._______________(shock)byanewsphotoofadeadpolarbear3.___________appearedtohavestarvedanddied.This4.__________(alarm)caseshowedhowtheincreaseintemperaturehad5._______impactonEarth'secology.Thenwhatiscausingtheincreaseintheglobalaveragesurfacetemperature?Climatescientiststhinktheclimateprocess"greenhouseeffect"makesitpossibleforEarth6.__________(sustain)life.However,the"man-made"greenhouseeffectmakesmoreheatenergy7.___________(trap)intheatmosphereandcausesEarth'ssurfacetemperaturetorisequickly.thatwereshockedthat/whichalarmingantosustaintrapped根據(jù)課文內(nèi)容和語法規(guī)則完成短文Theriseintemperaturehasledtoanincreaseinextremeweatherandnatural8.__________(disaster)worldwide.Newsreportsare9.__________(frequent)broadcastaboutextremerainstormsandheatwaves.Thisrequirestheattentionofpeoplea