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1、Unit7What’sthehighestmountainintheworld?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。教学重难点：1、形容词和副词的比较级和最高级变化规则和用法。2、物体之间的对比教学步骤：Step1Warming-up1.Watchthephotosandlet’senjoythebeautifulscenesallovertheworld.2.Lookthese
2、photosandlookatthenumbers.9,600,000squarekilometersinsize1,025metersdeep6,671kilometerslong8,844.43metershighStep21aMatchthefactsyouknow.Practiceinpairsusingtheinformationin1a.Qomolangmaabout9,600,000squarekilometersinsizeTheSahara1,025metersdeepTheCaspian
3、Sea6,671kilometerslongTheNile8,844.43metershighStep3Languagepoints…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.Thewallis1.7meterswide.Step4Listening1.1bListenandcompletethesentences.1)Qomolangmai
4、s______thananyothermountainintheworld.2)TheSaharais____________desertintheworld.3)TheCaspianSeais____________ofallthesaltlakes.4)TheNileis_________riverintheworld.2.2aListenandnumberthefacts(1-4)intheorderyouhearthem.2bListenagainandfillintheblanksin2awith
5、thenumbersinthebox.6,3005,0005,464300___TheYangtzeRiverisabout____kilometerslongandtheYellowRiveris___kilometerslong.___Chinahasthebiggestpopulationintheworld.It’salotbiggerthanthepopulationoftheUS.___Chinaisover___yearsold.IthasamuchlongerhistorythantheUS
6、.TheUSisnoteven___yearsold.___ChinaisalmostasbigastheUS,butitisthebiggestcountryinAsia.Step5Practice1、1cMakeconversationsinpairs.ExamplesA:DidyouknowthatChinaisoneoftheoldestcountriesintheworld?B:Yes,Idid.It’smucholderthanmycountry.2、Asksomestudentsactoutt
7、heirconversations.Step6Languagepointsandsummary1.populationpopulation意为“人口数量”，谓语动词要用单数形式。询问人口数量时要用“What’sthepopulationof...?”提问，而不用howmany或howmuch等提问。表示人口“多”要用large或big；表示人口“少”要用small。Thepopulationofthiscityissixmillion．这个城市的人口是600万。2.It’smucholderthanmyco
8、untry.muchhigher意为“高得多”。在形容比较级前还可以用much,even,alittle,still,alot,less等修饰词表示程度HerunsevenfasterthanI.他比我跑得更快。课时重点回顾What’sthepopulationof...?Itis…metershigh(long,wide…).much,even,alittle,still,alot,less+形容词比较级Ste
