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1、Unit7What’sthehighestmountain intheworld?SectionAPeriodOneWhat’sthehighestmountainintheworld?Howhighisit?Doyouknow?QomolangmaQomolangmaisthehighestmountainintheworld.Itis8,844.43metershigh.Nowlet’enjoythebeautifulscenesofQomolangma:Whatdoyouknowaboutthefollowingnumbers?1,025met
2、ersdeepTheCaspianSeaWhatdoyouknowaboutthefollowingnumbers?6,671kilometerslongTheNileWhatdoyouknowaboutthefollowingnumbers?9,600,000squarekilometersinsizeTheSaharaReadthewordsandexpressionsloudly.squaremeterdeepdesertpopulationAsiafeelfreetourn.平方；正方形n.米；公尺adj.深的；纵深的n.沙漠n.人口；人口数
3、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.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WordsreviewObjectivesTolearntocomparefactsTolearntoexpresslargenumbersTolearntotalkaboutgeographyandnatureTolearnnewwords:square,met
4、er,deep,desert,population,Asia,tour,tourist,wall,ancient,protect,wide…Matchthefactsyouknow.1aQomolangmaTheSaharaTheCaspianSeaTheNileabout9,600,000squarekilometersinsize1,025metersdeep6,671kilometerslong8,844.43metershighListenandcompletethesentences.Qomolangmais______thananyoth
5、ermountainintheworld.TheSaharais_________desertintheworld.TheCaspianSeais_________ofallthesaltlakes.TheNileis_________riverintheworld.1bhigherthebiggestthedeepestthelongestA:Whatisthehighestmountainintheworld?B:Qomolangma.1cPairworkUsetheinformationin1btomakeconversations.A:Wha
6、tisthebiggestdesertintheworld?B:TheSahara.Example1:A:Whatisthelongestriverintheworld?B:TheNile.Example2:A:DidyouknowthatChinahasthebiggestpopulationintheworld?B:Yes,Idid.It’salotbiggerthanthepopulationoftheUS.Example1:A:DidyouknowthatChinaisthebiggestcountryinAsia?B:Yes,Idid.It
7、’salmostasbigastheUS.Example2:A:DidyouknowthatYangzeRiverismuchlongerthantheYellowRiver?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how
8、much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
