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1、Unit7What'sthehighestmountainintheworld?SectionA1a-2dLet’senjoythenaturalbeautyofChina.YangtzeRiverQinghaiLakesaltlakelongestbiggestTheYangtzeRiveristhelongestriverinChina.theHimalayasTheHimalayasisthehighestmountainrangeintheworld.theCaspianSeasaltlakebiggestTheCaspianSeaisthe
2、biggestlakeintheworld.1,025metersdeepLet’senjoythenaturalbeautyofChina.theNilelongest6,671kilometerslongTheNileisthelongestriverintheworld.Qomolangmahighest8,844.43metershighQomolangmaisthehighestmountainintheworld.theSaharabiggestdesert9,600squarekilometersinsizeTheSaharaisthe
3、largestdesertintheworld.Matchthefactsyouknow.1aQomolangmaabout960,0000squarekilometersinsizetheSahara1,025metersdeeptheCaspianSea6,671kilometerslongtheNile8,844.43metershigh数字+度量单位+adj48米高48metershigh25米深25metersdeep61千米长61kilometerslong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-de
4、eplaketalltallerthetallestLiuXiangistall.YiJianlianistallerthanLiuXiang.YaoMingisthetallestofthethree.Practice167cm45kg165cm45kg168cm50kgComparethesewomenbytheirappearance,height,weight,orotheraspects.Listenandcompletethesentences.1.Qomolangmais___________thananyothermountainin
5、theworld.2.TheSaharais___________desertintheworld.3.TheCaspianSeais______________ofallthesaltlakes.4.TheNileis______________riverintheworld.1bhigherthelargestthedeepestthelongestUsetheinformationin1btomakeconversations.1cWhatisthehighestmountainintheworld?Qomolangma.Listenandnu
6、mberthefacts[1–4]intheorderyouhearthem.TheYangtzeRiverisabout________kilometerslongandtheYellowRiveris________kilometerslong.Chinahasthebiggestpopulationintheworld.It’salotbiggerthanthepopulationoftheUS.Chinaisover__________yearsold.IthasamuchlongerhistorythantheUS.TheUSisnotev
7、en___________yearsold.ChinaisalmostasbigastheUS,anditisthebiggestcountryinAsia.2a6,3005,0005,4643006,3005,4645,000300Listenagainandfillintheblanksin2awiththenumbersinthebox.2b_____TheYangtzeRiverisabout________kilometerslongandtheYellowRiveris________kilometerslong._____Chinaha
8、sthebiggestpopulationintheworld.It’salotbiggerthanthep
