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1、Unit7What’sthehighestmountain intheworld?Nowlet’senjoythebeautifulscenesallovertheworld.Doyouknowsomeinterestingplaces?QomolangmaTheCaspianSeaTheNileTheSaharaThegreatwallWhatdoyouknowaboutthefollowingnumbers?8,844.43metershigh.1,025metersdeep6,671kilometerslong9,600,000squarekilometers
2、insizeMatchthefactsyouknow.1aQomolangmaTheSaharaTheCaspianSeaTheNileabout9,600,000squarekilometersinsize1,025metersdeep6,671kilometerslong8,844.43metershighListenandcompletethesentences.1bQomolangmais______thananyothermountainintheworld.TheSaharais_________desertintheworld.TheCaspianSe
3、ais_________ofallthesaltlakes.TheNileis_________riverintheworld.higherthebiggestthedeepestthelongest1cPairworkUsetheinformationin1btomakeconversations,forexample:Whatisthelongestriverintheworld?TheNile.Whatisthedeepestdesertintheworld?TheSahara.ForChinese,howmuchdoyouknowaboutourmother
4、land?__TheYangtzeRiverisabout_____kilometerslongandtheYellowRiveris_____kilometerslong.__Chinahasthebiggestpopulationintheworld.It’salotbiggerthanthepopulationoftheUS.__Chinaisover_____yearsold.IthasamuchlongerhistorythantheUS.TheUSisnoteven____yearsold.__ChinaisalmostasbigastheUS,andi
5、tisthebiggestcountryinAsia.Listenandnumberthefacts[1-4]inthe orderyouhearthemandfillintheblanksin2awiththenumbersinthebox.2b6,3005,4645,0003006,3005,0005,4643001432A:DidyouknowthatChinaisoneoftheoldestcountriesintheworld?B:Yes,Idid.It’smucholderthanmycountry.2cPairworkMakeconversations
6、usingtheinformationin2a.A:DidyouknowthatChinahasthebiggestpopulationintheworld?B:Yes,Idid.It’salotbiggerthanthepopulationoftheUS.Example1:A:DidyouknowthatChinaisthebiggestcountryinAsia?B:Yes,Idid.It’salmostasbigastheUS.Example2:A:DidyouknowthatYangzeRiverismuchlongerthantheYellowRiver?
7、B:No,Ididn’t.Howlongisit?A:It’s6,300kilometerslong.B:Wow!That’sverylong!Example3:Languagepoints1.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。Practise这个城市的人口是600万。Thepopulationofthiscityissixmil
