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Unit7What’sthehighestmountainintheworld?SectionAPeriodOnesquaremeterdeepdesertpopulationAsiafeelfreetourn.平方；正方形n.米；公尺adj.深的；纵深的n.沙漠n.人口；人口数量n.亚洲(可以)随便(做某事)n.&v.旅行；旅游WordsReviewtouristwallamazingancientprotectwideasfarasIknowman-maden.旅行者；观光者n.墙adj.令人大为惊奇的；令人惊喜的adj.古代的；古老的v.保护；防护adj.宽的；宽阔的就我所知adj.人造的WordsReviewWhat’sthehighestmountainintheworld?Howhighisit?Doyouknow?Qomolangmaisthehighestmountainintheworld.Itis8,844.43metershigh.Whatdoyouknowaboutthefollowingnumbers?1,025metersdeepTheCaspianSeaWhatdoyouknowaboutthefollowingnumbers?6,671kilometerslongTheNileWhatdoyouknowaboutthefollowingnumbers?9,600,000squarekilometersinsizeTheSahara1.Tolearntocomparefacts2.Tolearntoexpresslargenumbers3.Tolearntotalkaboutgeographyandnature4.Tolearnnewwords:square,meter,deep,desert,population,Asia,tour,tourist,wall,ancient,protect,wide…Matchthefactsyouknow.1aQomolangmaTheSaharaTheCaspianSeaTheNileabout9,600,000squarekilometersinsize1,025metersdeep6,671kilometerslong8,844.43metershighListenandcompletethesentences.1.Qomolangmais______thananyothermountainintheworld.2.TheSaharais_________desertintheworld.3.TheCaspianSeais_________ofallthesaltlakes.4.TheNileis_________riverintheworld.1bhigherthebiggestthedeepestthelongestA:Whatisthehighestmountainintheworld?B:Qomolangma.1cPairworkUsetheinformationin1btomakeconversations.A:Whatisthebiggestdesertintheworld?B:TheSahara.Makeupyourownconversations.Example1:A:Whatisthelongestriverintheworld?B:TheNile.Example2:Listenandnumberthefacts[1-4]intheorderyouhearthem.__TheYangtzeRiverisabout_____kilometerslongandtheYellowRiveris________kilometerslong.__Chinahasthebiggestpopulationintheworld.It’salotbiggerthanthepopulationoftheUS.__Chinaisover_____yearsold.IthasamuchlongerhistorythantheUS.TheUSisnoteven___yearsold.__ChinaisalmostasbigastheUS,anditisthebiggestcountryinAsia.2a1432__TheYangtzeRiverisabout_____kilometerslongandtheYellowRiveris_____kilometerslong.__Chinahasthebiggestpopulationintheworld.It’salotbiggerthanthepopulationoftheUS.__Chinaisover_____yearsold.IthasamuchlongerhistorythantheUS.TheUSisnoteven____yearsold.__ChinaisalmostasbigastheUS,anditisthebiggestcountryinAsia.Listenagainandfillintheblanksin2awiththenumbersinthebox.2b6,3005,4645,0003006,3005,0005,4643001432A:DidyouknowthatChinaisoneoftheoldestcountriesintheworld?B:Yes,Idid.It’smucholderthanmycountry.2cPairworkMakeconversationsusingtheinformationin2a.A:DidyouknowthatChinahasthebiggestpopulationintheworld?B:Yes,Idid.It’salotbiggerthanthepopulationoftheUS.Example1:Makeupyourownconversations.A:DidyouknowthatChinaisthebiggestcountryinAsia?B:Yes,Idid.It’salmostasbigastheUS.Example2:Makeupyourownconversations.A:DidyouknowthatYangzeRiverismuchlongerthantheYellowRiver?B:No,Ididn’t.Howlongisit?A:It’s6,300kilometerslong.B:Wow!That’sverylong!Example3:Makeupyourownconversations.1.HowlongistheGreatWall?Readthedialoguein2d,thenanswerthequestionsbelow.FromtheMingDynasty,it’sabout8850kilometerslong.Themainreasonwastoprotecttheirpartofthecountry.Yes,it’sthemostfamouspart.2.Whydidtheancientemperorsbuildthewall?3.IsBadalingpartoftheMingGreatWall?1.Roleplaytheconversationingroups;2.RoleplaytheconversationinfrontoftheclassLet’sseewhichgroupdoesthebest.2dGuide:____________askmeanythingontoday’sGreatWalltour.Tourist1:_________isthewall?Guide:Ah,__________popularquestion!Ifweareonly_____________thepartsfromtheMingDynasty,it’sabout8850kilometerslong.Thismakesit__________wallintheworld.Tourist2:Wow,that’samazing!Whydidtheancientemperorsbuildthewall?Guide:The_____________wastoprotecttheirpartofthecountry.______________,it’s_________________._______________,therearenootherman-madeobjects__________this.Tourist3:IsBadalingpartoftheMingGreatWall?Guide:Yes,_______________________.FeelfreetoHowlongthemosttalkingaboutthelongestmainreasonAsyoucanseequitetallandwideAsfarasIknowasbigasit’sthemostfamouspartReadthedialoguein2d,thenfillintheblanksbelow.Guide:Feeltoaskfreemetoday’sanythingonGreatWalltour.Tourist1:Howisthelongwall?Guide:Ah,thepopularquestionmost!IfweareonlyaboutthepartstalkingfromtheMingDynasty,it’saboutkilometers8850long.Thismakesitthewallinlongesttheworld.Tourist2:Wow,amazingthat’s!Whydidtheemperorsancientwallbuildthe?Feelfreetoaskmeanythingontoday’sGreatWalltour.Howlongisthewall?Ah,themostpopularquestion!IfweareonlytalkingaboutthepartsfromtheMingDynasty,it’sabout8850kilometerslong.Thismakesitthelongestwallintheworld.Wow,that’samazing!Whydidtheancientemperorsbuildthewall?Readtheconversationin2dandlearnitbyyourheart.Thentrytomaketheconversationintherightorder.Guide:Themainwastoprotectreasontheirpartofthecountry.Ascanyousee,it’stallquiteandwide.AsknowfarasI,thereotherman-madearenobigobjectsasasthis.Tourist3:IspartoftheMingBadalingGreatWall?Guide:Yes,it’sthefamousmostpart.Themainreasonwastoprotecttheirpartofthecountry.Asyoucansee,it’squitetallandwide.AsfarasIknow,therearenootherman-madeobjectsasbigasthis.IsBadalingpartoftheMingGreatWall?Yes,it’sthemostfamouspart.Todaylet’stalkabouttheGreatWall.ThepartsfromtheMingDynastyisabout8850kilometerslong.This___