Unit7 whats the highest mountain in the world？ TheFirstPeriodSection A(1a-2d) TeachingAimsandDemands1KnowledgeObjects（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）TargetLanguage Whatsthehighestmountainintheworld?Qomolangma.HowhighisQomolangma?Its8,844.43metershigh.Itshigherthananyothermountain.Whichisthedeepestsaltlakeintheworld?TheCaspianSeaisthedeepestofallthesaltlake.(3)Stucture:LargenumbersComparativeandsuperlativeformofadj.andadv.2.AbilityObjects（1)Learntousethenumeraltotalkaboutthefactsoftheworld.（2)Learnandmastertheusageofthecomparativeandsuperlativeformofadj.andadv.3Moralobjects.TeachSstoloveournatureandprotectourenvironment.TeachingKeyPointLearnandmasterlargenumbersLearnandmastertheusageofthecomparativeandsuperlativeformofadj.andadv.TeachingDifficultPoints1Learnandmasterlargenumbers2.Learntotalkaboutcomparativeandsuperlativeformofadj.andadv.byusingthetargetlanguageTeachingMethods1Thesituationalteachingapproach,task-basedlanguageteachingmethod,listening-and-answeringactivitytohelpthestudentsgothroughwiththelisteningmaterial2Pairwork.TeachingAids1Ataperecorder2TheblackboardTeachingProceduresStepGreetthestudentsandPresentationsquaren.平方metern.米deepadj.深的desertn.沙漠populationn.人口populationn.人Asian.亚洲tourv.n.旅tourist n.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. Watchthephotosandtalkaboutthem Howbig/high/long/bigis? andhelpthestudentstoanswer: Itsmeters/kilometers/cmbig/high/long/big.2. Lookthesephotosandpracticethedialogue:e.g. A:HowhighisQomolangma? B:Its8,844metershigh.Step31aMatchthefactsyouknow.Practiceinpairsusingtheinformationin1a.Qomolangmaabout9,600,000squarekilometersinsizeTheSahara1,025metersdeepTheCaspianSea6,671kilometerslongTheNile8,844.43metershighStep4Explaination8,844metershigh.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. 6,3005,0005,464300_TheYangtzeRiverisabout_kilometerslongandtheYellowRiveris_kilometerslong._Chinahasthebiggestpopulationintheworld.ItsalotbiggerthanthepopulationoftheUS._Chinaisover_yearsold.IthasamuchlongerhistorythantheUS.TheUSisnoteven_yearsold._ChinaisalmostasbigastheUS,butitisthebiggestcountryinAsia.Step6Practice1cMakeconversationsinpairs.ExamplesA:DidyouknowthatChinaifoneoftheoldestcountriesintheworld?B:Yes,Idid.Itsmucholderthanmycountry.Step72dReadtheconversationandanswerthequestions:1) Whichisthebiggestman-madeobjectsintheworld？2)WhichisthemostfamouspartoftheMingGreatWall?Step8Languagepointsandsummary1.FellfreetoaskmeanythingontodaysGreatWalltour.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,Jacksgottwinsisters.就我所知，杰克有一对孪生姐妹。 Theyrenotcomingtoday,sofarasIknow.他们今天不来了就我所知是这样的。Step9Homework A:Tomemorizetheimportantphrasesandsentences. B:tomakesomedialoguesaboutaskingthesizeofobjects.Step10BlackboardDesignUnit7Whatsthehighestmountainintheworld? TheFirstPeriod（1）KeyVocabularysquaren.平方metern.米deepadj.深的desertn.沙漠populationn.人口populationn.人口Asian.亚洲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）TargetLanguageWhats