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1、Unit7What’sthehighestmountaintheworld?SectionA1(1a–2d)教学目标：1语言目标：掌握本单元重点词汇及能用比较级和最高级谈论各之最。2技能目标：能听懂和谈论有关地理和自然的话题。3情感目标：培养学生热爱大自然，保护环境的意识。教学重点：短语:insize,intheworld,2meterstall/long/wide,thebiggestpopulation,oneofthebiggest,themostpopularquestion,talkabout,…句子:What’sthehighest
2、mountainintheworld?HowlongisQomolangma?It’s8,844.43metershigh.It’shigherthananyothermountain.Whichisthedeepestsaltlakeintheworld?TheCaspianSeaisthedeepestofallthesaltlake.DidyouknowthatChinaisoneoftheoldestcountriesintheworld?Yes,Idid.It’smucholderthantheUS.教学难点：形容词和副词的比较级和最
3、高级变化规则和用法。 物体之间的对比。教学过程Step1Presentationsquare n.平方 metern. 米 deep adj.深的 desert n. 沙漠 populationn. 人口 populationn. 人口Asia n. 亚洲 tour v.n. 旅行 tourist n.旅行者wall n. 墙 amazingadj. 令人大为惊奇的ancient adj. 古代的 wide adj.宽的；宽阔和Step2
4、Warming-up1.Watchthephotosandtalkaboutthem“Howbig/high/long/bigis…?’andhelpthestudentstoanswer: It’s…meters/kilometers//high/long/big.2.Lookthesephotosandpracticethedialogue:e.g. A:HowhighisQomolangma?B:It’s8,844metershigh.Step31aMatchthefactsyouknow.Practiceinpairsusingth
5、einformationin1a. Qomolangma about9,600,000squarekilometersinsize TheSahara 1,025metersdeep TheCaspianSea 6,671kilometerslong TheNile 8,844.43metershigh Step4Explain…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
6、单位放在表示长宽高的形容词前作状语。e.g.Thewallis1.7meterswide.Step5Listening1.1b Listenandcompletethesentences.1)Qomolangmais______thananyothermountainintheworld. 2)TheSaharais____________desertintheworld.3)TheCaspianSeais____________ofallthesaltlakes.4)TheNileis_________riverintheworld.2.
7、2a Listenandnumberthefacts(1-4)intheorderyouhearthem.2b Listenagainandfillintheblanksin2awiththenumbersinthebox.6,300 5,000 5,464 300___TheYangtzeRiverisabout____kilometerslongandtheYellowRiveris ___kilometerslong.___Chinahasthebiggestpopulationintheworld.It’salo
8、tbiggerthanthepopulationoftheUS.___Chinaisover___yearsold.Ithasamuchlongerh
