八年级英语下册Unit7What’sthehighestmountainintheworldPeri

1Unit7what’sthehighestmountainintheworld？TheFirstPeriodSectionA(1a-2d)Ⅰ．TeachingAimsandDemands1．KnowledgeObjects（1）KeyVocabularysquaren.平方metern.米deepadj.深的desertn.沙漠populationn.人口populationn.人口Asian.亚洲tourv.n.旅touristn.旅行者walln.墙amazingadj.令人大为惊奇的ancientadj.古代的wideadj.宽的；宽阔和（2）TargetLanguageWhat’sthehighestmountainintheworld?Qomolangma.HowhighisQomolangma?It’s8,844.43metershigh.It’shigherthananyothermountain.Whichisthedeepestsaltlakeintheworld?TheCaspianSeaisthedeepestofallthesaltlake.(3)Stucture:LargenumbersComparativeandsuperlativeformofadj.andadv.2.AbilityObjects（1)Learntousethenumeraltotalkaboutthefactsoftheworld.（2)Learnandmastertheusageofthecomparativeandsuperlativeformofadj.andadv.3．Moralobjects.TeachSstoloveournatureandprotectourenvironmentⅡ.TeachingKeyPointLearnandmasterlargenumbersLearnandmastertheusageofthecomparativeandsuperlativeformofadj.andadv.Ⅲ．TeachingDifficultPoints1．Learnandmasterlargenumbers．2.Learntotalkaboutcomparativeandsuperlativeformofadj.andadv.byusingthetargetlanguageⅣ．TeachingMethods1．Thesituationalteachingapproach,task-basedlanguageteachingmethod,listening-and-answeringactivitytohelpthestudentsgothroughwiththelisteningmaterial．2．Pairwork.Ⅴ．TeachingAids1．Ataperecorder2．TheblackboardⅥ．TeachingProcedures2StepⅠGreetthestudentsandPresentationsquaren.平方metern.米deepadj.深的desertn.沙漠populationn.人口populationn.人Asian.亚洲tourv.n.旅touristn.旅行者walln.墙amazingadj.令人大为惊奇的ancientadj.古代的wideadj.宽的；宽阔和Step2Warming-up1.WatchthephotosandtalkaboutthemHowbig/high/long/bigis…?andhelpthestudentstoanswer:It’s…meters/kilometers/cmbig/high/long/big.2.Lookthesephotosandpracticethedialogue:e.g.A:HowhighisQomolangma?B:It’s8,844metershigh.Step31aMatchthefactsyouknow.Practiceinpairsusingtheinformationin1a.Qomolangmaabout9,600,000squarekilometersinsizeTheSahara1,025metersdeepTheCaspianSea6,671kilometerslongTheNile8,844.43metershighStep4Explaination…8,844metershigh.8,844米高…metershigh(long,wide…)……米高（长,宽……)。英语表示―有多长（宽，高……）‖时，一般将数词和数量单位放在表示长宽高的形容词前作状语。e.g.Thewallis1.7metreswide.Step5Listening1.1bListenandcompletethesentences.1)Qomolangmais______thananyothermountainintheworld.2)TheSaharais____________desertintheworld.3)TheCaspianSeais____________ofallthesaltlakes.4)TheNileis_________riverintheworld.2.2aListenandnumberthefacts(1-4)intheorderyouhearthem.2bListenagainandfillintheblanksin2awiththenumbersinthebox.6,3005,0005,4643003___TheYangtzeRiverisabout____kilometerslongandtheYellowRiveris___kilometerslong.___Chinahasthebiggestpopulationintheworld.It’salotbiggerthanthepopulationoftheUS.___Chinaisover___yearsold.IthasamuchlongerhistorythantheUS.TheUSisnoteven___yearsold.___ChinaisalmostasbigastheUS,butitisthebiggestcountryinAsia.Step6Practice1cMakeconversationsinpairs.ExamplesA:DidyouknowthatChinaifoneoftheoldestcountriesintheworld?B:Yes,Idid.It’smucholderthanmycountry.Step72dReadtheconversationandanswerthequestions:1)Whichisthebiggestman-madeobjectsintheworld？2)WhichisthemostfamouspartoftheMingGreatWall?Step8Languagepointsandsummary1.Fellfreetoaskmeanythingontoday’sGreatWalltour.在今天的长城游中，大家尽管问我任何问题，不要拘束。fellfree是英语口语中一个常用表达。若有人让你feelfreetodosomething,就是让你无需拘束，只管按照自己的意愿去做某事。e.g.A:CanIuseyourbathroom?我可以用一下你的卫生间吗？B:Yes,feelfree.可以，请随意。2.AsfarasIknow,therearenoman-madeobjectsasbigasthis.据我所知，再没有像它这样大的人造物体了。asfarasIknow是一个固定的表达方式，还可以说sofarasIknow,意思是―据我所知。e.g.AsfarasIknow,Jack’sgottwinsisters.就我所知，杰克有一对孪生姐妹。They’renotcomingtoday,sofarasIknow.他们今天不来了–就我所知是这样的。Step9HomeworkA:Tomemorizetheimportantphrasesandsentences.B:tomakesomedialoguesaboutaskingthesizeofobjects.Step10BlackboardDesignUnit7What’sthehighestmountainintheworld?TheFirstPeriod（1）KeyVocabularysquaren.平方metern.米deepadj.深的desertn.沙漠populationn.人口populationn.人口Asian.亚4洲tourv.n.旅行touristn.旅行者walln.墙amazingadj.令人大为惊奇的ancientadj.古代的wideadj.宽的；宽阔和（2）TargetLanguageWhat’sthehighestmountainintheworld?Qomolangma.HowhighisQomolangma?It’s8,844.43metershigh.It’shigherthananyothermountain.Whichisthedeepestsaltlakeintheworld?TheCaspianSeaisthedeepestofallthesaltlake