英语人教版八年级下册精品课件.ppt

,Unit7Whatsthehighestmountainintheworld?,SectionA（1a-2d）,Warm-up,1,Presentation,2,LanguagePoints,3,Exercise,4,Doyouknowtheseplaces?,Warm-up,Freetalk,Qomolangma,theSahara,theCaspianSea,theNile,Askandanswer,Warm-up,DoyouknowhowhighQomolangmais?,Its8,844.43metershigh.,Warm-up,DoyouknowhowlongtheNileis?,Itsmorethan6,671kilometerslong.,Warm-up,DoyouknowhowdeeptheCaspianSeais?,Its1,025metersdeep.,Warm-up,DoyouwhatsizetheSaharais?,Itsabout9,600,000squarekilometersinsize.,1aMatchthefactsyouknow.,Presentation,1bListenandcompletethesentences.,1.Qomolangmais_thananyothermountainintheworld.2.TheSaharais_desertintheworld.3.TheCaspianSeais_ofallthesaltlakes.4.TheNileis_riverintheworld.,higher,thebiggest,thedeepest,thelongest,Whichisthehighestmountainintheworld?WhichisthelongestriverinAsia?,Pairwork-Talkaboutthesepicturesinpairs.,HowlongistheYangtzeRiver?,HowlongistheYellowRiver?,WhatsthepopulationofChina?,WhatsthepopulationofAmerica?,HowlongdoesthehistoryofChinalast?,HowlongdoesthehistoryofAmericalast?,Do,you,know,?,Listenandnumberthefacts(1-4)intheorderyouhearthem.,_TheYangtzeRiverisabout_kilometerslongandtheYellowRiveris_kilometerslong._Chinahasthebiggestpopulationintheworld.ItsalotbiggerthanthepopulationoftheUS._Chinaisover_yearsold.IthasamuchlongerhistorythantheUS.TheUSisnoteven_yearsold._ChinaisalmostasbigastheUS,butitisthebiggestcountryinAsia.,4,2,1,3,Listenagainandfillintheblanksin2awiththenumbersinthebox.,6,3005,0005,464300,_TheYangtzeRiverisabout_kilometerslongandtheYellowRiveris_kilometerslong._Chinahasthebiggestpopulationintheworld.ItsalotbiggerthanthepopulationoftheUS._Chinaisover_yearsold.IthasamuchlongerhistorythantheUS.TheUSisnoteven_yearsold._ChinaisalmostasbigastheUS,butitisthebiggestcountryinAsia.,4,2,1,3,6,300,5,464,5,000,300,Pairwork-Makeconversationsusingtheinformationin2a.,A:DidyouknowthatChinahasthebiggestpopulationintheworld?B:Yes,Idid.ItsalotbiggerthanthepopulationoftheUS.,Example1:,A:DidyouknowthatYangzeRiverismuchlongerthantheYellowRiver?B:No,Ididnt.Howlongisit?A:Itsabout6,300kilometerslong.B:Wow!Thatsverylong!,Example2:,Readtheconversationandanswerthequestions:,1.Whichisthebiggestman-madeobjectintheworld？2.WhichisthemostfamouspartoftheMingGreatWall?,TheGreatWall.,Badalingpartofthewall.,Languagepoints,1.FeelfreetoaskmeanythingontodaysGreatWalltour.在今天的长城游中，大家尽管问我任何问题，不要拘束。,feelfree是英语口语中一个常用表达。若有人让你feelfreetodosomething，就是让你无需拘束，只管按照自己的意愿去做某事。,e.g.A:CanIuseyourbathroom?我可以用一下你的卫生间吗？B:Yes,feelfree.可以，请随意。,asfarasIknow是一个固定的表达方式，还可以说sofarasIknow，意思是“据我所知”。,2.AsfarasIknow,therearenoman-madeobjectsasbigasthis.据我所知，再没有像它这样大的人造物体了。,e.g.AsfarasIknow,Jacksgottwinsisters.就我所知，杰克有一对孪生姐妹。Theyrenotcomingtoday,sofarasIknow.他们今天不来了就我所知是这样的。,.用所给词的适当形式填空1.Many_(tour)comeheretovisitthebigtreeeveryyear.2.Indiaisoneofthe_(old)countriesinAsia.3.ThepopulationofChina_(be)thebiggestintheworld.4.MountainTaiisalot_(high)thananyothermountaininShandong.5.Daledidntgototheparty.Themainreasonwas_(study)forthetest.,Exercise,tourists,oldest,is,higher,tostudy,.句型转换1.Thisisa2,500-meter-longriver.(改为同义句)Thisriveris2,500.2.TheUSisnotaslargeasRussia.(改为同义句)RussiaistheUS.3.ThepopulationofAustraliais19,300,000.(对画线部分提问)thepopulationofAustralia?,meterslong,largerthan,Whatis,4.TheGreatWallisthelongestwall.(改为同义句)TheGreatWallisanyotherwall.5.Qomolangmaisthehighestmountai