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1、Unit7What’sthehighestmountainintheworld?(sectionA)Qomolangma8,844.43metershighthehighestmountainintheworldtheNile6,671kilometerslongthelongestriverintheworldtheCaspianSea1,025metersdeepthedeepestofallthesaltlakestheSaharaabout9,600,000squarekilometersinsizethebiggestdesertintheworldtheYangtzeRiver
2、6,300kilometerslongtheYellowRiver5,464kilometerslongTheYangtzeRiverislongerthantheYellowRiver.8,844.43metershigh6,671kilometerslong1,025metersdeep9,600,000squarekilometersinsize数词+单位祠+hightalllongdeepinsizewideMountEmeiisabout3,000metershigh.HuangGuoshuWaterfallis77.8metershigh.YaoMingis2.23m
3、eterstall.Thetreeisabout5meterstall.Ourclassroomis3meterstalland8meterswide.TheYellowriveris5,464kilometerslong.Thelakeisabout20metersdeep.Myhouseisabout100squarekilometersinsize.ChinatheUSChinahasapopulationofmorethan1,300,000,000.ThepopulationoftheUSisover300,000,000.ThepopulationofChinaisalotbi
4、ggerthanthepopulationoftheUS.somethingaboutChinaandtheUSChinais9,600,000squarekilometersinsize.TheUSisalso9,600,000squarekilometersinsize.ChinaisasbigastheUS.Chinais5,000yearsold.TheUSisonly300years.ChinahasamuchlongerhistorythantheUS.ConversationGuide:Feelfreetoaskmeanythingontaday’sGreatWalltour
5、.Tourist1:Howlongisthewall?Guide:Ah,themostpopularquestion!Ifwe’reonlytalkingaboutthepartsfromtheMingDynasty,it’sabout8,850kilometerslong.Thisisthelongestwallintheworld.Tourist2:Wow,that’samazing!Whydidtheancientemperorbuildthewall?Guide:Themainreasonwastoprotecttheirpartofthecountry.Asyoucansee,i
6、t’squitetallandwide.AsfarasIknow,therearenoman-madeobjectsasbigasthis.Tourist3:IsBadalingpartoftheMingGreatWall?Guide:Yes,it’sthemostfamouspart.
