Unit3EnvironmentalProtection(導(dǎo)學(xué)案)(原卷版)高二英語人教版2019選擇性

Unit3EnvironmentalProtectionReadingandThinking導(dǎo)學(xué)案課前預(yù)學(xué)區(qū)【學(xué)習(xí)目標(biāo)】1.Todiscussclimatechange.2.Tolearntoidentifythestyleofthistextandinferthewriter’spurpose.3.Tolearntodrawadiagram.4.Tothinkaboutwhatwecandotodealwithclimatechange.【學(xué)習(xí)過程】Step1:自主學(xué)習(xí)任務(wù)一：自學(xué)課本Unit3ReadingandThinking的詞匯與短語。要求：根據(jù)錄音及單詞音標(biāo)，首先會讀單詞接著邊讀邊寫記單詞，注意中英文的轉(zhuǎn)換，最后默寫單詞。Step2:單詞自學(xué)檢測一、重點詞匯graph n.圖;圖表;曲線圖emission n.___________________melt v.___________________starve v.___________________seal n.海豹ecology n.___________________release v.&n.________________methane n.___________________carbon n.碳dioxide n.二氧化物habitable adj._________________sustain v.___________________sustainable adj._________________fossil n.化石fuel n.___________________prehensive adj._________________二、重點短語1．onbehalfof _________________2．dozensof _________________3．haveanimpacton _________________4．leadto _________________5．causedamageto _________________6．takemeasures _________________7．dealwith _________________8．a(chǎn)numberof _________________9．carryout _________________10．ineffect _________________課中導(dǎo)學(xué)區(qū)Step1Leadin1.Whatcanyouseeinthepicture?2.Whatisthecauseofthisphenomenon?Thinkandtalk:Whatotherconsequencesmayglobalwarmingbringabout?Step2.FastReading:Readformainidea＆texttype1.Whattypeofwritingisthispassage?A.ArgumentativewritingB.Narrativewriting C.ExpositorywritingD.Advertisingwriting2.Inwhichpartofanewspaperormagazinemaywefindthispassage?A.Entertainment B.Economy C.EducationD.Environment3.What’sthepassagemainlyabout?A.Somepolarbearsdiedofstarvation. B.Whatthegreenhouseeffectis.C.Howthepolarbearsfindfood. D.Globalwarminghascausedsomedisastersandwemustpayattentiontoit.Step3.Whilereading:readforthestructureandmainidea.Theconsequences(結(jié)果)oftheriseintemperatureTheconsequences(結(jié)果)oftheriseintemperatureThecauses(原因)oftheincreaseintheglobalaveragesurfacetemperatureThesolutions(解決方法)toreducinggreenhousegasemissionsTheevidence(證據(jù))ofdramaticclimatechangethathadanimpactonEarth’secologyPart1:(para.12)Part2:(para.3)Part3:(para.4)Part4:(para.5)PassageStructureAnalysisStep4.CarefulReading1.Readparagraph12andfillintheblanks.The________isgettingwarmerandwarmer.Evidence1：Evidence1：Evidence2Evidence2：climatechangeEvidence3Evidence3：2.Readparagraph3andfillintheblanks.NaturalDefinitionHeatfromthesunentersthe__________andwarmsEarth’s__________as_________waveradiation.FunctionKeepingEarth’swarmand_____________ManmadeDefinitionPeopleproducehugeamountsof_________greenhousegasesbyburning_____________.AbigproblemMore________energyistrappedintheatmosphereandcausesEarth’ssurfacetemperatureto________quickly.3.Readparagraph4tofindconsequences.exampleexampleTheriseintemperatureledtoTheriseintemperatureledtoresultsresultsgovernment:individual:solutions4.Readparagraph5tofindernment:individual:solutionsStep5.PostReadingDiscussion:Asastudent,whatcanwedotoprotecttheenvironmentinourdailylife?課文語法填空Whatiscausingtheincreaseintheglobalaveragesurfacetemperature?Climatescientistsoftenmentionakeyclimateprocess1_______(call)the“greenhouseeffect”,whichhastwomonmeanings:the“natural”greenhouseeffectandthe“manmade”greenhouseeffect.The“natural”greenhouseeffectreferstothefact2______heatfromthesunenterstheatmosphereandwarmsEarth’ssurfaceasshortwaveradiation.Theheat3____________(release)backintospaceatlongerwavelengths.Greenhousegasesintheatmosphere,suchasmethaneandcarbondioxide,trapsomeoftheheat,keepingEarth’sclimatewarmandhabitable.4__________thisprocess,Earthcouldnotsustainlife.However,the“manmade”greenhouseeffecthasnowbee5___bigproblem.Whenpeopleproducehugeamountsofextragreenhousegasesbyburningfossilfuels,moreheatenergyistrappedintheatmosphereandcausesEarth’ssurfacetemperature6_________(rise)quickly.Thereisstrongandprehensiveevidencethattheriseintemperature7_________(lead)toanincreaseinextremeweatherandnaturaldisastersworldwide,notonlycausingseriousdamage,butalsocostinghumanlives.Climate8___________(scientist)havewarnedthatifwedonottakeappropriateactions,thiswarmingtrendwillprobablycontinueandtherewillbea9________(high)pricetopay.Infact,newsreportsare10___________(frequent)broadcastaboutextremerainstormsandheatwavescausingdeathsandeconomiclosses.Languagepoints1melting

ice8fossil

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changes4skin

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effect課后思學(xué)區(qū)一、用單詞的適當(dāng)形式完成句子1.Thereisagrowing_______(趨勢)towardsearlierretirement.2.Pouringhotwaterintoa______(盆),Mumpassedmeatowel,hurryingmetowashmyfeet.3.Neverbeforehasasummithadsuchacrowded______(議事日程).4.ATexasbuilderiscreatinghousesoutofmaterialsthatwouldhaveendedupinthe______(垃圾;廢物)dump.5.Ifyouspendmuchtimewitheducatorsand______(政策;方針)makers,you'llhearalotofthefollowingwords;standards,results,skills,selfcontrol,accountability,andsoon.6.Inreality,readingisoneofthebestwaystokeepyourself____________(amuse),whetheryou'reachildoranadult.7.Hedevotedhimselftotheresearchand____________(frequent)wenttothelibrarytorefertotherelatedinformationinhissparetime.8.Achangeinbloodpressuremaycausetheheart____________(stop)working.9.Theswimmingpoolisopentofamiliesintheneighborhoodwithout____________(restrict).10.Withoutyourhelp,Imighthavestarved____________deathinthelasttriptodesert.二、根據(jù)提示完成句子6.Playingpingpongcannotonlybuildupyourbodybutalsoitshapesyourcharacter.________________________________________________________________(倒裝句)7.ThisiswithoutdoubtthemostsignificantpersonalexperienceIhavebeenthrough.________________________________