Unit7What'sthehighestmountainintheworld?Readthewordsandexpressionsloudly.QomolangmatheNiletheCaspianSeatheSaharatheYangtzeRivertheYellowRivertheMingDynastytheMingGreatWallsquaremeterdeepdesertpopulationAsiafeelfreetourtouristwallamazingancientprotectwideasfarasIknow1,0001,000,0001,000,000,0001,0001,000,0001,000,000,0001005001,00010,000100,0001,000,0001,000,000,0001,025Whatdoyouknowaboutthefollowingnumbers?Whatdoyouknowaboutthefollowingnumbers?Whatdoyouknowaboutthefollowingnumbers?Matchthefactsyouknow.Qomolangma_____________riverintheworld____________saltlakeintheworld____________desertintheworldQomolangmais______thananyothermountainintheworld.TheSaharais_________desertintheworld.TheCaspianSeais_________ofallthesaltlakes.TheNileis_________riverintheworld.TheAmazonis_________________riverintheworld.Qomolangmais______thananyothermountainintheworld.TheSaharais_________desertintheworld.TheCaspianSeais_________ofallthesaltlakes.TheNileis_________riverintheworld.TheAmazonis_________________riverintheworld.__TheYangtzeRiverisabout_____kilometerslongandtheYellowRiveris________kilometerslong.__Chinahasthebiggestpopulationintheworld.It’salotbiggerthanthepopulationoftheUS.__Chinaisover_____yearsold.IthasamuchlongerhistorythantheUS.TheUSisnoteven___yearsold.__ChinaisalmostasbigastheUS,anditisthebiggestcountryinAsia.__TheYangtzeRiverisabout_____kilometerslongandtheYellowRiveris_____kilometerslong.__Chinahasthebiggestpopulationintheworld.It’salotbiggerthanthepopulationoftheUS.__Chinaisover_____yearsold.IthasamuchlongerhistorythantheUS.TheUSisnoteven____yearsold.__ChinaisalmostasbigastheUS,anditisthebiggestcountryinAsia.Whatisthelongestwallintheworld?Pleasereadtheconversationin2d.Readagainandanswerthequestionsin2d.2dTourist2:Wow,that’samazing!Whydidtheancientemperorsbuildthewall?Guide:Themainreasonwastoprotecttheirpartofthecountry.Asyoucansee,it’squitetallandwide.AsfarasIknow,therearenoman-madeobjectsasbigasthis.Tourist3:IsBadaling