Unit 6 Understanding ideas 教学设计-2022-2023学年高中英语外研版2019选择性必修第一册

选择性必修一第6单元UnderstandingideasPage1:封面标题Helloeveryone,nicetomeetyou.Todaywe'regoingtolearnSelectiveRequiredCourseBook1Unit6UnderstandingideasTheSkyRailway.Page2:Step1AnalysisofthematerialFirstofall,let'slookattheintroductionofthepassage.Page3:本篇课文语篇类型为游记。作者通过描述自己的一次“天路”之旅，回顾了建设者们在青藏铁路修建过程中始终以生态保护为前提，克服重重困难，最终建成这条“不可能建成的”铁路的历程，表达了自己作为其中一名建设者的自豪之情。在阅读过程中了解青藏铁路在建设过程中所遇到的困难和采取的解决办法，体会“天路”对作者的特殊意义，激发民族自豪感，探究单元主题意义。文章以青藏铁路沿途风景为主线，介绍了铁路建设过程中的艰辛，使同学们在阅读中学习掌握相关词汇的表达，介绍青藏铁路。Page4:Leading-inOK,nowlet’sstartourlearning!Page5:First,pleaselookatthepicturesandanswerthequestions.Haveyoueverbeentotheplacebefore?Howwouldyougototheplaceinthepictures？（停顿10秒）Obviously,theplaceisinTibet.Thereareseveralwaystogothere,suchastakingflightsorbytrain.IfIamgoingtoTibet,Iwillchoosethetrain.Inthisway,Icanenjoythebeautifulscenery.Page6:Next,let’slookataquizrelatedtotherailwaytoTibet.Pleaseworkinpairsandfinishthequiz.Youmaytakeawildguessifnecessary.（好，现在给大家一点时间思考。）（学生读题，停顿1.5分钟）Now,let’schecktheanswers.ThehighestrailwayintheworldisTheQinghai-TibetRailway.ThecompletedQinghai-TibetRailwaywasputintooperationin2006.LanzhouisnotontheQinghai-TibetRailway.TheQinghai-TibetRailwaypassesbyQinghaiHohXil.Haveyougotallthecorrectanswers?Page7:AfterlearningabouttheinformationabouttheQinghai-TibetRailway,let’sreadthepassagetofindouthowtherailwaywasbuiltwithsomanydifficulties.Page8:Pleasereadthepassageandfindoutwhytherailwayisparticularlyspecialtotheauthor.Page9:（学生读课文，停顿2分钟）Page10:Haveyougottheanswer?Afterreadingthepassage,wefindoutthatparagraph2tellsustheanswer.“IwasoneofthepeoplewhocamefromallpartsofChinatoworkonthisrailway.Takingyearstocomplete,theQinghai-TibetRailwayisarecordofallofoureffortstoovercomethemostdifficultengineeringchallenges.”Page11:Sowecanorganizetheanswerlikethis.TheauthorhasworkedontheQinghai-TibetRailway.Oncebelievedimpossible,thehighestrailwayintheworldisarecordoftheeffortsoftheworkerstoovercomethemostdifficultengineeringchallenges.Theseeffortsandtheirendresultsmeanthattherailwayisspecialtotheauthor.Haveyougotthecorrectanswer?Nowlet’smoveon.Page12:Pleasedividethepassageintothreepartsandmatcheachpartwithitsmainidea.Trytolearnaboutthewholestructureofthepassage.Page13:好，现在给大家一点时间完成任务。（学生完成任务，停顿2分钟）Haveyoufinished?Let’schecktheanswerstogether.Part1isparagraph1.Part2isfromparagraph2-6.Part3isparagraph7.Para.1tellsusthattheauthorisabouttotravelalongtheSkyRailway.Para.2-6describethechallengestheworkersmetwhenconstructingtherailwayandtheirsolutions.Para.7tellsusthattheauthorisproudthattheybuiltthe“impossiblerailway”withthecarethattheenvironmentdeserves.Page14:FromtheaboveanalysiswecanfindthatPara.2-6arethemainbodyofthepassagewhichdescribethedifferentchallengesthattheworkersmet.Inotherwords,thispartexplainswhytheSkyRailwayisclaimedimpossible.Let’sfocusonthispartandfindmoredetails.Page15:Pleasereadthepassageagain,organizeinformationfromthepassageandcompletethetable.（好，现在给大家一点时间思考。）（学生读课文完成任务，停顿1.5分钟）Page16:Haveyoufinished?Let’schecktheanswers.Toprotectwildanimals,thirty-threepassageshavebeenbuiltundertherailwaytoallowtheanimalstomovesafelyandfreelyintheirnaturalhabitat.Topreventdamagetowetlandsandgrasslands,675bridgeswithatotallengthofabout160kilometreswerebuiltbetweenGolmudandLhasa.140,000squaremetresofwetlandweremovedtoanewareainordertoprotectitsdistinctecosystem.Tomakesuretheworkersstayedhealthy,severaloxygen-makingstationswereconstructed.Theworkersalsoenjoyedregularbreaksinlowerareas.ToprotectCuonaLake,thousandsandthousandsofsandbagswereusedtobuildatwenty-kilometrewallalongthelaketoprotectitfromconstructionwaste.Haveyougottherightanswers?Page17:Afterlearningaboutthechallengesinconstructingtherailway,let’strytofindouttheauthor'spurposeinwritingthepassageandgiveyourreasons.好，现在给大家一点时间完成任务。（学生完成任务，停顿1分钟）Page18:FromtheaboveanalysiswecanseethatPara2-6describethechallengesthattheworkersmetandtheirsolutions.Inotherwords,thisparttellsusthegreateffortsthattheworkersmadetoovercomechallengesandbuildtheSkyRailway.Wecanfindouttheauthor’sattitudetowardsbuildingtherailwayinthepassage.InPara6,theauthorsaysthat“Ifeelasenseofprideandachievement”.InPara7,theauthorsaysthat“I’mproudthatwebuiltourimpossiblerailway,anddidsowiththecarethattheenvironmentdeserves.”Fromthesesentencesweknowtheauthorholdspositiveattitude.Page19:Sothepurposeinwritingthepassageis“topraisetheworkers'effortsinbuildingtheQinghai-TibetRailway.”Page20:Next,let’sfocusonsomesentencesfromthepassageandpayattentiontosomewordsandexpressionswhicharenoteasytounderstand.Page21:Number1文章的第一段第六至八行Thewords“railwayslikemassivedragonsarewindingamongthemountains”seemparticularlyvivid...Inthissentence,windmeans:(ofaroad,river,etc.)tohavemanybendsandtwists.即（道路、河流等）蜿蜒、曲折前进。Payattentiontoitspastform:wound,anditspastparticipleform,whichisalsowound.Forexample,Thepathwounddowntothebeach.Windcanalsomean“towraportwiststh.arounditselforsth.else”即：缠卷、缠绕。Forexample,Windthebandagearoundyourfinger.Payattentiontothephrase:windsth.around/roundsth.:把某物缠绕在上。Page22:Number2文章的第二段第五至七行Howtoprotectthedelicateecosystemwasamongthetopconcerns.Inthissentence,concernmeans“afeelingofworry,especiallyonethatissharedbymanypeople（尤指许多人共同的）担心、忧虑。Wecansayconcernabout/for/oversth./sb.Forexample,ThereisgrowingconcernaboutviolenceonTV.Shehasn'tbeenseenforfourdaysandthereisconcernforhersafety.Thereportexpressedconcernovercontinuinghighunemployment.Page23:Concerncanalsobeusedasaverb.Itmeanstoworrysb.让（某人）担忧。Forexample,Issueslikefoodadditivesdoconcernme.Page24:Number3文章的第三段第一至三行ThefirstlandmarktocatchmyeyeisthesplendidQingshuiheBridge,theworld'slongestbridgebuiltoverpermafrost.Inthissentence,pleasepayattentiontothephrase“catchmyeye”.“Catchsb'seye”meanstoattractsomeone'sattentionandmakethemlookatsomething.突然注意到。Forexample,Assheturnedback,amovementacrossthelawncaughthereye.HetriedtocatchAnnie'seyeashewalkedbyherseat.Page25:Therearesomeotherphrasescontainingtheword“eye”,canyouthinkoftheirmeaningsandusages?（学生读短语，停顿0.5分钟）Let’stakealookatthesephrases.“can'ttakeone’seyesoffsb./sth.”means无法将目光从某人/某物身上移开。“looksb.intheeye”means正视某人。“keepaneyeonsb./sth.”means照看某人/某物。“haveaneye/agoodeyeforsth.”means对某事物有鉴赏力。Pleaserememberthesephrases.Page26:Number4文章的第五段第五至八行Inlocationssuchasthis,thethinair,changeableweatherandhighlevelsofUVradiationpresentedperhapsthegreatestchallengeforrailwayworkers.Inthissentence,“present”means“tocausesth.tohappenorbeexperienced使发生，使经历”。Forexample,Useofthesechemicalsmaypresentafirerisk.Theword“present”hasothermeanings.Page27:Inthesentence“Shewaspresentedwithanaward.”,presentmeans颁发，授予。Inthesentence“Areyoupresentingapaperattheconference?”,presentmeans提出，提交。Helikestopresenthimselfasaradicalpolitician.Inthesentence,presentmeans（以某种方式）展现。Youwillbeaskedtopresentyourselfforinterview.Inthissentence,presentmeans正式出席。Page28:Number5文章的第三段第三至五行AgroupofTibetanantelopesismovingunderthebridge,withsomestoppingtoeatgrassattheirleisure.Inthissentenceweneedtopayattentiontothestructure“withsb./sth.doing/done/todo”.这个结构考查非谓语动词的用法，大家需要根据sb./sth.与动词之间的关系来确定doing/done/todo的形式。课文中，someantelopes是主动停下来吃草，因此选用stopping现在分词的形式。Now,let’slookatmoreexamples.Pleasefillintheblankswiththeproperformofthewords.好，现在给大家一点时间思考。（学生完成任务，停顿1分钟）Let’schecktheanswers.Istoodbeforeherwithmyheartbeatingfast.Icouldn’tdomyhomeworkwithallthatnoisegoingon.Withherattentionfixedonthebook,thegirlsattherequietly.Withalotofdifficultproblemstosettle,thenewly-electedpresidentishavingahardtime.Haveyougotthecorrectanswers?Page29:Nowlet’spracticethelanguage.Page30:Afterreadingthepassage,youmayhaveagoodunderstandingofhowthe“impossible”railwaywasbuilt.Pleaseintroducetheprocesstoyourclassmate,withthehelpofthetableandthechart.Remembertouseasmanywords,expressionsandsentencepatternsyouhavejustlearnedaspossible.Page31:好，现在给大家一点时间完成任务。（学生完成任务，停顿2分钟）Page32:Haveyoufinished?Hereismyversion.Takingyearstocomplete,theQinghai-TibetRailwayisarecordofalltheeffortstoovercomethemostdifficultchallenges.ThefirstlandmarktocatchmyeyeistheQingshuiheBridge.Inordertoprotectwildanimals,thirty-threepassageshavebeenbuiltundertherailway.Topreventdamagetowetlandsandgrasslands,675bridgeswerebuiltbetweenGolmudandLhasa.TanggulaStationisthehighestrailwaystationintheworld.Tomakesurewestayedhealthy,severaloxygen-makingstationswereconstructed.AlongtheCuonaLake,webuiltatwenty-kilometrewalltoprotectitfromconstructionwaste.Page33:Practical

applicationNext,let’sputthelanguageintopracticaluse.Page34:Afterreadingthepassage,let’sthinkaboutthefoll