八年级下第七单元.ppt

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1、Unit7What'sthehighestmountainintheworld?SectionA1a-2cLet’senjoythenaturalbeautyofChina.YangtzeRiverQinghaiLakesaltlakelongestbiggestTheYangtzeRiveristhelongestriverinChina.theHimalayasTheHimalayasisthehighestmountainintheworld.theCaspianSeasaltlakebiggestThe

2、CaspianSeaisthebiggestlakeintheworld.1,025metersdeepLet’senjoythenaturalbeautyofChina.theNilelongest6,671kilometerslongTheNileisthelongestriverintheworld.Qomolangmahighest8,844.43metershighQomolangmaisthehighestmountainintheworld.theSaharabiggestdesert9,600s

3、quarekilometersinsizeTheSaharaisthelargestdesertintheworld.Matchthefactsyouknow.1aQomolangmaabout960,0000squarekilometersinsizetheSahara1,025metersdeeptheCaspianSea6,671kilometerslongtheNile8,844.43metershigh数字+度量单位+adj48米高48metershigh25米深25metersdeep61千米长61

4、kilometerslong拓展：数字-度量单位–adj构成符合形容词一个25米深的湖a25-meter-deeplaketalltallertallestMissYangistall.YiJianlianistallerthanLiuXiang.YaoMingisthetallestofthethree.PracticeListenandcompletethesentences.1.Qomolangmais___________thananyothermountainintheworld.2.TheSahar

5、ais___________desertintheworld.3.TheCaspianSeais______________ofallthesaltlakes.4.TheNileis______________riverintheworld.1bhigherthelargestthedeepestthelongestUsetheinformationin1btomakeconversations.1cWhatisthehighestmountainintheworld?Qomolangma.Listenandn

6、umberthefacts[1–4]intheorderyouhearthem.TheYangtzeRiverisabout________kilometerslongandtheYellowRiveris________kilometerslong.Chinahasthebiggestpopulationintheworld.It’salotbiggerthanthepopulationoftheUS.Chinaisover__________yearsold.Ithasamuchlongerhistoryt

7、hantheUS.TheUSisnoteven___________yearsold.ChinaisalmostasbigastheUS,anditisthebiggestcountryinAsia.2a6,3005,0005,4643006,3005,4645,000300Listenagainandfillintheblanksin2awiththenumbersinthebox.2b_____TheYangtzeRiverisabout________kilometerslongandtheYellowR

8、iveris________kilometerslong._____Chinahasthebiggestpopulationintheworld.It’salotbiggerthanthepopulationoftheUS._____Chinaisover__________yearsold.IthasamuchlongerhistorythantheUS.TheUSisnoteven