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1、Unit7What'sthehighestmountainintheworld?SectionA11a—2CPresentationsquaren.平方metern.米deepadj.深的desertn.沙漠populationn.人口Asian.亚洲n.平方；正方形squaren.米；公尺meteradj.深的；纵深的deepn.沙漠desertn.人口；人口数量populationn.亚洲Asian.平方；正方形n.米；公尺adj.深的；纵深的n.沙漠n.人口；人口数量n.亚洲squaremeterdeepdesertpopulationAsia1,025Howdoyoureadt
2、hesenumbers?6,6719,600,0008,844.43Whatdoyouknowaboutthenumber8,844.43?QomolangmaWhatdoyouknowaboutthefollowingnumbers?1,025metersdeepTheCaspianSeaWhatdoyouknowaboutthefollowingnumbers?6,671kilometerslongTheNileWhatdoyouknowaboutthefollowingnumbers?9,600,000squarekilometersinsizeTheSaharaMatchthe
3、factsyouknow.Qomolangmaabout9,600,000squarekilometersinsizeTheSahara1,025metersdeepTheCaspianSea6,671kilometerslongTheNile8,844.43metershigh1a1.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.Thedeskis2meterslong.Theriveris100meterswide.提问时：How+形容词+一般疑问句？ExplainationQomolangmais______thananyothe
4、rmountainintheworld.TheSaharais_________desertintheworld.TheCaspianSeais_________ofallthesaltlakes.TheNileis_________riverintheworld.1bhigherthebiggestthedeepestthelongestListenandcompletethesentences.TheYangtzeRiveristhethirdlongestriverintheworld,thefirstlongestriverinAsia.It’s6300kilometerslo
5、ng.ItrunsintotheEastSea.TheYangtzeRiverWhichisthehighestmountainintheworld?WhichisthelongestriverinAsia?...…Talkaboutthesepicturesinpairs.2aListenandnumberthefacts(1-4)intheorderyouhearthem.6,3005,0005,464300___TheYangtzeRiverisabout____kilometerslongandtheYellowRiveris___kilometerslong.___China
6、hasthebiggestpopulationintheworld.It’salotbiggerthanthepopulationoftheUS.___Chinaisover___yearsold.IthasamuchlongerhistorythantheUS.TheUSisnoteven___yearsold.___ChinaisalmostasbigastheUS,butitisthebiggestcountryinAsia.42132bListenagainandfillintheblanksin2awiththenumbersinthebox.6,3005,0005,4643
7、00___TheYangtzeRiverisabout_______kilometerslongandtheYellowRiveris______kilometerslong.___Chinahasthebiggestpopulationintheworld.It’salotbiggerthanthepopulationoftheUS.6,3005,464___Chinaisover______yearsold.Ithasamuchlonger
