Unit3EnvironmentalProtection(导学案)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 ________________重点单词emissionn．排放物；散发物；排放meltvi.&vt.(使)融化；熔化；软化ecologyn．生态；生态学releasevt.&n．排放；释放；发布methanen．甲烷；沼气habitableadj.适合居住的sustainvt.维持；遭受；承受住sustainableadj.可持续的；合理利用的fueln．燃料；刺激性言行vt.加强；刺激prehensiveadj.全部的；所有的；详尽的重点短语1．onbehalfof代表(代替)某人；2．dozensof许多；很多；3．haveanimpacton对……有影响；4．leadto导致5．causedamageto对……造成损害；6．takemeasures采取措施；7．dealwith处理；8．anumberof许多；9．carryout履行；执行；10．ineffect在实施中；实际上课中导学区Step1Leadin1.Whatcanyouseeinthepicture?1.Alargepieceoficebreakingoffalargeglacieroricesheet.2.Whatisthecauseofthisphenomenon?GlobalwarmingThinkandtalk:Whatotherconsequencesmayglobalwarmingbringabout?heatwave,drought,meltingice,floodStep2.FastReading:Readformainidea＆texttype1.Whattypeofwritingisthispassage?A.ArgumentativewritingB.Narrativewriting C.ExpositorywritingD.AdvertisingwritingC2.Inwhichpartofanewspaperormagazinemaywefindthispassage?A.Entertainment B.Economy C.EducationD.EnvironmentD3.What’sthepassagemainlyabout?A.Somepolarbearsdiedofstarvation. B.Whatthegreenhouseeffectis.C.Howthepolarbearsfindfood. D.Globalwarminghascausedsomedisastersandwemustpayattentiontoit.DStep3.Whilereading:readforthestructureandmainidea.1.Matchthemainideawitheachpart.2.PassageStructureAnalysisStep3.CarefulReading1.Readparagraph12andfillintheblanks.2.Readparagraph3andfillintheblanks.3.Readparagraph4tofindconsequences.4.Readparagraph5tofindsolutions.Step4.PostReadingDiscussion:Asastudent,whatcanwedotoprotecttheenvironmentinourdailylife?plantmoretrees,takethestairsinsteadofelevator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.1.called2.that3.isreleased4.Without5.a6.torise7.hasled8.scientists9.higher10.frequentlyLanguagepoints1melting

ice8fossil

fuels2provide

evidence

of

9pay

a

high

price3a

dramatic

change10longlasting

changes4skin

and

bones11make

policies

5trap

the

heat12seize

the

opportunity6sustain

life13map

out7huge

amounts

of14cause

and

effect1melting

ice正在融化的冰8fossil

fuels化石燃料2provide

evidence

of

为……提供依据/证据9pay

a

high

price付出巨大的代价3a

dramatic

change急剧变化10longlasting

changes持久的变化4skin

and

bones皮包骨11make

policies

制定政策5trap

the

heat困住热量12seize

the

opportunity抓住机会6sustain

life维系生命13map

out规划；安排7huge

amounts

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effect因果课后思学区一、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.1.答案：trend2.答案：basin3.答案：agenda4.答案：garbage5.答案：policy6.答案：amused解析：考查"keep+宾语+宾补"。句意:事实上,无论你是小孩还是成年人,阅读都是让你自己开心的最好的方法之一。分析句子结构可知,amuse和宾语yourself之间是逻辑上的动宾关系,因此用过去分词作宾补。也可理解为形容词amused作宾补,修饰人。7.答案：frequently解析：考查副词。句意:他致力于这项研究,经常在空余时间去图书馆查阅相关资料。分析句子结构可知，空处修饰谓语动词went，故用副词形式。8.答案：tostop解析：考查非谓语动词。句意:血压的变化可能会引起心脏骤停。causesth.todosth.表示"导致/引起……做……"。9.答案：restriction解析：考查名词。句意:这个游泳池对社区的所有家庭开放,不受限制。根据句意以及分析句子结构可知,空处位于介词without后,应用名词形式,restriction意为"限制,约束"。10.答案：to解析：考查固定短语。句意:在上次的沙漠之旅中要是没有你的帮助,我可能已经饿死了。starvetodeath"饿死"。二、根据提示完成句子6.Playingpingpongcannotonlybuildupyourbodybutalsoitshapesyourcharacter.________________________________________________________________(倒装句)7.ThisiswithoutdoubtthemostsignificantpersonalexperienceIhavebeenthrough.________________________________________________________________(同位语从句)8.我们认为对环境做出贡献是我们的责任。①Wethink____________________tomakecontributionstotheenvironment.(形式主语)②Wethink_______________tomakecontributionstotheenvironment.(形式宾语)9.他当时能记得的是,他滑了一下,倒在了地上。①_________________________atthemomentwasthatheslippedandfelltotheground.(定语从句)②____________________atthemomentwasthatheslippedandfelltotheground.(主语从句)10.