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1、Unit7What’sthehighestmountainintheworld?SectionAPeriodOneObjectivesTolearntocomparefactsTolearntoexpresslargenumbersTolearntotalkaboutgeographyandnatureTolearnnewwords:square,meter,deep,desert,population,Asia,tour,tourist,wall,ancient,protect,wide…What’sthehighestmount
2、ainintheworld?Howhighisit?Doyouknow?QomolangmaQomolangmaisthehighestmountainintheworld.Itis8,844.43metershigh.Nowlet’enjoythebeautifulscenesofQomolangma:Whatdoyouknowaboutthefollowingnumbers?1,025metersdeepTheCaspianSeaWhatdoyouknowaboutthefollowingnumbers?6,671kilomete
3、rslongTheNileWhatdoyouknowaboutthefollowingnumbers?9,600,000squarekilometersinsizeTheSaharasquaremeterdeepdesertpopulationAsiafeelfreetourn.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(可以)随便(做某事)n.&v.旅行;旅游WordsreviewtouristwallamazingancientprotectwideasfarasIknown.旅行者;观光者n.
4、墙adj.令人大为惊奇的;令人惊喜的adj.古代的;古老的v.保护;防护adj.宽的;宽阔的就我所知WordsreviewMatchthefactsyouknow.1aQomolangmaTheSaharaTheCaspianSeaTheNileabout9,600,000squarekilometersinsize1,025metersdeep6,671kilometerslong8,844.43metershighListenandcompletethesentences.Qomolangmais______thananyothe
5、rmountainintheworld.TheSaharais_________desertintheworld.TheCaspianSeais_________ofallthesaltlakes.TheNileis_________riverintheworld.1bhigherthebiggestthedeepestthelongestA:Whatisthehighestmountainintheworld?B:Qomolangma.1cPairworkUsetheinformationin1btomakeconversation
6、s.A:Whatisthebiggestdesertintheworld?B:TheSahara.Example1:A:Whatisthelongestriverintheworld?B:TheNile.Example2:Listenandnumberthefacts[1-4]intheorderyouhearthem.__TheYangtzeRiverisabout_____kilometerslongandtheYellowRiveris________kilometerslong.__Chinahasthebiggestpop
7、ulationintheworld.It’salotbiggerthanthepopulationoftheUS.__Chinaisover_____yearsold.IthasamuchlongerhistorythantheUS.TheUSisnoteven___yearsold.__ChinaisalmostasbigastheUS,anditisthebiggestcountryinAsia.2a1432__TheYangtzeRiverisabout_____kilometerslongandtheYellowRiveris
8、_____kilometerslong.__Chinahasthebiggestpopulationintheworld.It’salotbiggerthanthepopulationoftheUS.__Chinaiso