Unit3EnvironmentalProtection(导学案)(原卷版)高二英语人教版2019选择性

Unit3EnvironmentalProtectionReadingandThinking导学案课前预学区【学习目标】1.Todiscussclimatechange.2.Tolearntoidentifythestyleofthistextandinferthewriter’spurpose.3.Tolearntodrawadiagram.4.Tothinkaboutwhatwecandotodealwithclimatechange.【学习过程】Step1:自主学习任务一：自学课本Unit3ReadingandThinking的词汇与短语。要求：根据录音及单词音标，首先会读单词接着边读边写记单词，注意中英文的转换，最后默写单词。Step2:单词自学检测一、重点词汇graph n.图;图表;曲线图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、重点短语1．onbehalfof _________________2．dozensof _________________3．haveanimpacton _________________4．leadto _________________5．causedamageto _________________6．takemeasures _________________7．dealwith _________________8．anumberof _________________9．carryout _________________10．ineffect _________________课中导学区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(结果)oftheriseintemperatureTheconsequences(结果)oftheriseintemperatureThecauses(原因)oftheincreaseintheglobalaveragesurfacetemperatureThesolutions(解决方法)toreducinggreenhousegasemissionsTheevidence(证据)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?课文语法填空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

fuels2provide

evidence

of

9pay

a

high

price3a

dramatic

change10longlasting

changes4skin

and

bones11make

policies

5trap

the

heat12seize

the

opportunity6sustain

life13map

out7huge

amounts

of14cause

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effect课后思学区一、用单词的适当形式完成句子1.Thereisagrowing_______(趋势)towardsearlierretirement.2.Pouringhotwaterintoa______(盆),Mumpassedmeatowel,hurryingmetowashmyfeet.3.Neverbeforehasasummithadsuchacrowded______(议事日程).4.ATexasbuilderiscreatinghousesoutofmaterialsthatwouldhaveendedupinthe______(垃圾;废物)dump.5.Ifyouspendmuchtimewitheducatorsand______(政策;方针)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、根据提示完成句子6.Playingpingpongcannotonlybuildupyourbodybutalsoitshapesyourcharacter.________________________________________________________________(倒装句)7.ThisiswithoutdoubtthemostsignificantpersonalexperienceIhavebeenthrough.________________________________