英语人教版八年级下册Unit7 Section A 1a—2d.ppt

Unit7Whatsthehighestmountainintheworld?,SectionA1a-2d,LanguageGoal:Talkaboutgeographyandnature,mountain,river,saltlake,dessert,thehighest,thelongest,thedeepest,thebiggest,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,=theothermountains,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,_Chinaisover_yearsold.IthasamuchlongerhistorythantheUS.TheUSisnoteven_yearsold._ChinaisalmostasbigastheUS,anditisthebiggestcountryinAsia.,2b.Listenagainandfillintheblanksin2awiththenumbersinthebox.,_TheYangtzeRiverisabout_kilometerslongandtheYellowRiveris_kilometerslong._Chinahasthebiggestpopulationintheworld.ItsalotbiggerthanthepopulationoftheUS.,6,3005,0005,464300,6,300,5,464,_Chinaisover_yearsold.IthasamuchlongerhistorythantheUS.TheUSisnoteven_yearsold._ChinaisalmostasbigastheUS,anditisthebiggestcountryinAsia.,5,000,300,A:DidyouknowthatChinaisoneoftheoldestcountriesintheworld?B:Yes,Idid.Itsmucholderthanmycountry.用big说面积和人口,用long或old说历史,2c.Makeconversationsusingtheinformationin2a.比较China,TheUS,Groupwork,Guide：FeelfreetoaskmeanythingontodaysGreatWalltour.Tourist1：Howlongisthewall?Guide：Ah,themostpopularquestion!IfwereonlytalkingaboutthepartsfromtheMingDynasty,itsabout8,850kilometerslong.Thismakesitthelongestwallintheworld.,2d.Role-playtheconversation.,Tourist2:Wow,thatsamazing!Whydidtheancientemperorsbuildthewall?Guide:Themainreasonwastoprotecttheirpartofthecountry.Asyoucansee，itsquitetallandwide.AsfarasIknow,therearenoman-madeobjectsasbigasthis.Tourist3:IsBadalingpartoftheMingGreatWall?Guide:Yes,itsthemostfamouspart.,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。,Languagepoints,2.AsfarasIknow,therearenoman-madeobjectsasbigasthis.据我所知，再没有像它这样大的人造物体了。asfarasIknow是一个固定的表达方式，还可以说sofarasIknow，意思是“据我所知”。例如：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。,3.theMingGreatWall明长城“明长城”是指明朝时期为了防御北方游牧民族的骚扰，历时一百多年在北部地区修筑的军事防御工程。这段长城东起辽宁虎山，西至甘肃嘉峪关，从东向西横贯多个省、直辖市、自治区，全长约8850千米，是现存历代长城遗迹中最完整、最坚固的。,一写出下列单词的比较级和最高级,fortable3.big4.happy5.cheap6.many7.difficult8.little,fortable3.big4.happy5.cheap6.many7.difficult8.little,betterbest,moremost,biggerbiggest,happierhappiest,cheapercheapest,moremost,moremost,lessleast,1.Lilygetsup_(early)thanLucy.2.Whichgoes_(slowly),TomorJim?3.Thisbookis_(interesting)thanthatone.,earlier,moreslowly,moreinteresting,二根据所给词的适当形式填空,4.Sheworks_(careful)inherschool.5.Whogoestobed_(late)Jim,TomorJack?6