Unit 7 Whats the highest mountain in the world?一、教学目标：【知识目标】：能掌握本单元重点词汇，并能用比较级和最高级谈论“世界之最”。 【能力目标】：能听懂谈论地理和自然的话题。学会对事实和数字的比较，提高听说能力。【情感目标】：培养学生热爱大自然和保护大自然。二教学重点：短语: take in, in the face of, even though, risk their lives, challenge themselves, walk into, fall over, or so, run over with excitement, take care of, cut down the forests, in the remaining forests, endangered animals, wild animals 句子:1)Whats the highest mountain in the world? Qomolangma.2)How high is Qomolangma? Its 8,844.43 meters high. Its higher than any other mountain.3)Which is the deepest salt lake in the world? The Caspian Sea is the deepest of all the salt lakes.4)Did you know that China is one of the oldest countries in the world? Yes, I did. Its much older than the US. 语法：形容词比较级和最高级。三、教学难点： Largenumbers Comparativeandsuperlativeformofadj.andadv.四、教具准备：PPTTheFirstPeriodSection A(1a-2d)TeachingAimsandDemands1KnowledgeObjects（1） KeyVocabularysquaren.平方 metern.米 populationn.人口 Asian.亚洲 walln.墙 （2）TargetLanguage Whatsthehighestmountainintheworld? Qomolangma.HowhighisQomolangma?Its8,844.43metershigh.Itshigherthananyothermountain.Whichisthe deepestsaltlakeintheworld?TheCaspianSeaisthedeepestofallthesaltlake.(3)Structure:LargenumbersComparativeandsuperlativeformofadj.andadv.2.AbilityObjects（1) Learntousethenumeraltotalkaboutthefactsoftheworld.（2) Learnandmastertheusageofthecomparativeandsuperlativeformofadj.and adv.3Moralobjects TeachSstoloveournatureandprotectourenvironment.TeachingKeyPoint LearnandmasterlargenumbersTeachingDifficultPoints Learntotalkaboutcomparativeandsuperlativeformofadj.andadv. byusingthetargetlanguage.TeachingMethods1 Thesituationalteachingapproach,task-basedlanguageteachingmethod.2Pair-work.TeachingAids1Ataperecorder 2TheblackboardTeachingProceduresStepGreetingand presentationsquaremeterdeepdesertpopulation Asiatour tourist wall amazing ancientwideStep2Warming-upSee thepictures on Page 49 and ask the students: Howbig/high/long/bigis? Then helpthestudentsto answer:Itsmeters/kilometers/cmbig/high/long/big. Step31aMatchthefactsyouknow.Practiceinpairsusingtheinformationin1a.Qomolangmaabout9,600,000squarekilometersinsizeTheSahara1,025metersdeepTheCaspianSea6,671kilometerslongTheNile8,844.43metershighStep4Explanation8,844metershigh.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.Thewallis1.7meterswide.Step5Listening1.1bListen andcompletethesentences.1)Qomolangmais_ thananyothermountainin theworld.2)TheSaharais_desertintheworld.3) TheCaspianSeais_ofallthesaltlakes.4)TheNileis_riverintheworld.2.2aListenandnumberthefacts(1-4)intheorderyouhearthem. 2bListenagainandfillintheblanksin2awiththenumbersinthebox.6,3005,0005,464300_TheYangtzeRiverisabout_kilometerslongandtheYellowRiveris_ kilometerslong._Chinahasthebiggestpopulationintheworld.ItsalotbiggerthanthepopulationoftheUS._China isover_yearsold. Ithasamuchlonger historythantheUS.TheUSis noteven_yearsold._ChinaisalmostasbigastheUS,butitisthebiggestcountryinAsia.Step6Practice1cMakeconversationsinpairs.Examples:A:DidyouknowthatChinaifoneoftheoldestcountriesintheworld?B:Yes,Idid.Itsmucholderthanmycountry.Step72dReadtheconversationandanswerthequestions:1) Whichisthebiggestman-madeobjectsintheworld?2)WhichisthemostfamouspartoftheMingGreatWall?Step8Languagepointsandsummary1. FellfreetoaskmeanythingontodaysGreatWalltour.在今天的长城游中，尽管问我问题，不要拘束。feelfreetodosomething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。e.g. AsfarasIknow,Jacksgottwinsisters.就我所知，杰克有一对孪生姐妹。Step9HomeworkTomemorizetheimportantphrasesandsentences.Step10BlackboardDesignUnit7Whatsthehighestmountainintheworld?TheFirstPeriodSection A(1a-2d)Howbig/high/long/bigis?Itsmeters/kilometers/cmbig/high/long/big.The SecondPeriod Section A 3a3cTeachingAimsandDemands1KnowledgeObjects (1)KeyVocabularyachievement, southeastern, thick, include, freezing, condition, succeed, challenge, achieve, force, nature,