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1、Unit7What’sthehighestmountainintheworld?SectionA1a-2cLanguageGoal:TalkaboutgeographyandnaturemountainriversaltlakedesertthehighestthelongestthedeepestthebiggestQomolangmathehighestmountainTheSaharathebiggestdesertTheCaspianSeathedeepestsaltlakeTheNilethelongest
2、river沙漠最深Qomolangmaabout9,600,000squarekilometersinsizeTheSahara1,025metersdeepTheCaspianSea6,671kilometerslongTheNile8,844.43metershigh1a.Matchthefactsyouknow.9,600,0001,0256,6718,844.43平方千米米深的1.Qomolangmais________thananyothermountainintheworld.2.TheSaharais_
3、_________desertintheworld.3.TheCaspianSeais__________ofallthesaltlakes.4.TheNileis___________riverintheworld.1b.Listenandcompletethesentences.higherthebiggestthedeepestthelongest=theothermountains1c.Usetheinformationin1btomakeconversations.A:Whatisthehighestmou
4、ntainintheworld?B:Qomolangma.A:Whatisthebiggestdesertintheworld?B:TheSahara.A:Whatisthedeepestsaltlakeintheworld?B:TheCaspiansea.PairworkA:Whatisthelongestriverintheworld?B:TheNile.____TheYangtzeRiverisabout________kilometerslongandtheYellowRiveris__________kil
5、ometerslong.____Chinahasthebiggestpopulationintheworld.It’salotbiggerthanthepopulationoftheUS.2a.Listenandnumberthefacts[1-4]intheorderyouhearthem.6,3005,0005,46430042长江黄河人口____Chinaisover________yearsold.IthasamuchlongerhistorythantheUS.TheUSisnoteven_______ye
6、arsold.____ChinaisalmostasbigastheUS,anditisthebiggestcountryinAsia.13亚洲2b.Listenagainandfillintheblanksin2awiththenumbersinthebox.______TheYangtzeRiverisabout________kilometerslongandtheYellowRiveris__________kilometerslong.____Chinahasthebiggestpopulationinth
7、eworld.It’salotbiggerthanthepopulationoftheUS.6,3005,0005,4643006,3005,46442____Chinaisover________yearsold.IthasamuchlongerhistorythantheUS.TheUSisnoteven_______yearsold.____ChinaisalmostasbigastheUS,anditisthebiggestcountryinAsia.5,00030031A:DidyouknowthatChi
8、naisoneoftheoldestcountriesintheworld?B:Yes,Idid.It’smucholderthanmycountry.用big说面积和人口,用long或old说历史2c.Makeconversationsusingtheinformationin2a.GroupworkSummary1、大数字的读法：2、在英语
