英语人教版八年级下册Unit 7 Section A(1a-2d).pptx

Unit7Whatsthehighestmountainintheworld?,SectionA1a-2d,LanguageGoal:Talkaboutgeographyandnature,Qomolangmaabout9,600,000squarekilometersinsizeTheSahara1,025metersdeepTheCaspianSea6,671kilometerslongTheNile8,844.43metershigh,1a.Matchthefactsyouknow.,1.Qomolangmais_thananyothermountainintheworld.2.TheSaharais_desertintheworld.3.TheCaspianSeais_ofallthesaltlakes.4.TheNileis_riverintheworld.,1b.Listenandcompletethesentences.,higher,thebiggest,thedeepest,thelongest,1c.Usetheinformationin1btomakeconversations.,A:Whatisthehighestmountainintheworld?B:Qomolangma.,A:Whatisthebiggestdesertintheworld?B:Sahara.,A:Whatisthedeepestsaltlakeintheworld?B:Caspiansea.,Pairwork,A:Whatisthelongestriverintheworld?B:Nile.,_TheYangtzeRiverisabout_kilometerslongandtheYellowRiveris_kilometerslong._Chinahasthebiggestpopulationintheworld.ItsalotbiggerthanthepopulationoftheUS.,2a.Listenandnumberthefacts1-4intheorderyouhearthem.,6,3005,0005,464300,2,4,_Chinaisover_yearsold.IthasamuchlongerhistorythantheUS.TheUSisnoteven_yearsold._ChinaisalmostasbigastheUS,anditisthebiggestcountryinAsia.,1,3,2b.Listenagainandfillintheblanksin2awiththenumbersinthebox.,_TheYangtzeRiverisabout_kilometerslongandtheYellowRiveris_kilometerslong._Chinahasthebiggestpopulationintheworld.ItsalotbiggerthanthepopulationoftheUS.,6,3005,0005,464300,2,4,6,300,5,464,_Chinaisover_yearsold.IthasamuchlongerhistorythantheUS.TheUSisnoteven_yearsold._ChinaisalmostasbigastheUS,anditisthebiggestcountryinAsia.,1,3,5,000,300,A:DidyouknowthatChinaisoneoftheoldestcountriesintheworld?B:Yes,Idid.Itsmucholderthanmycountry.,2c.Makeconversationsusingtheinformationin2a.,Groupwork,Guide：FeelfreetoaskmeanythingontodaysGreatWalltour.Tourist1：Howlongisthewall?Guide：Ah,themostpopularquestion!IfwereonlytalkingaboutthepartsfromtheMingDynasty,itsabout8,850kilometerslong.Thismakesitthelongestwallintheworld.,2d.Role-playtheconversation.,Tourist2:Wow,thatsamazing!Whydidtheancientemperorsbuildthewall?Guide:Themainreasonwastoprotecttheirpartofthecountry.Asyoucansee，itsquitetallandwide.AsfarasIknow,ther