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1、Unit7What’sthehighestmountainintheworld?QomolangmatheSaharatheCaspianSeatheNileQomolangmaabout9,600,000squarekilometersinsizeTheSahara1,025metersdeepTheCaspianSea6,671kilometerslongTheNile8,844.43metershigh1a.Matchthefactsyouknow.考考你Canyoureadthenumbers?271012152034578
2、91001122009,600,0001,0256,6718,844.433005,0005,4646,3001.Qomolangmais________thananyothermountainintheworld.2.TheSaharais__________desertintheworld.3.TheCaspianSeais__________ofallthesaltlakes.4.TheNileis___________riverintheworld.1b.Listenandcompletethesentences.highe
3、rthebiggestthedeepestthelongest1c.Usetheinformationin1btomakeconversations.A:Whatisthehighestmountainintheworld?B:Qomolangma.______TheYangtzeRiverisabout________kilometerslongandtheYellowRiveris__________kilometerslong.____Chinahasthebiggestpopulationintheworld.It’salo
4、tbiggerthanthepopulationoftheUS.2a.Listenandnumberthefacts[1-4]intheorderyouhearthem.6,3005,0005,46430024____Chinaisover________yearsold.IthasamuchlongerhistorythantheUS.TheUSisnoteven_______yearsold.____ChinaisalmostasbigastheUS,anditisthebiggestcountryinAsia.132b.Lis
5、tenagainandfillintheblanksin2awiththenumbersinthebox.______TheYangtzeRiverisabout________kilometerslongandtheYellowRiveris__________kilometerslong.____Chinahasthebiggestpopulationintheworld.It’salotbiggerthanthepopulationoftheUS.6,3005,0005,464300246,3005,464____Chinai
6、sover________yearsold.IthasamuchlongerhistorythantheUS.TheUSisnoteven_______yearsold.____ChinaisalmostasbigastheUS,anditisthebiggestcountryinAsia.135,000300A:DidyouknowthatChinaisoneoftheoldestcountriesintheworld?B:Yes,Idid.It’smucholderthanmycountry.2c.Makeconversatio
7、nsusingtheinformationin2a.GroupworkGuide：Feelfreetoaskmeanythingontoday’sGreatWalltour.Tourist1：Howlongisthewall?Guide：Ah,themostpopularquestion!Ifwe’reonlytalkingaboutthepartsfromtheMingDynasty,it’sabout8,850kilometerslong.Thismakesitthelongestwallintheworld.2d.Role-p
8、laytheconversation.Tourist2:Wow,that’samazing!Whydidtheancientemperorsbuildthewall?Guide:Themainreasonwastoprotectthe
