英语人教版八年级下册Unit 7 Section A.ppt

Unit7Whatsthehighestmountainintheworld?,SectionA11a2d,Presentation,squaren.平方,metern.米,deepadj.深的,desertn.沙漠,populationn.人口,Asian.亚洲,tourv.n.旅行,touristn.旅行者,walln.墙,amazingadj.令人大为惊奇的,ancientadj.古代的,wideadj.宽的；宽阔的,Doyouknowtheseplaces?,Qomolangma,QomolangmarunsalongtheborderbetweenChinaandNepal.Itiscoveredwithsnowalltheyearround.Its8844.43high,thehighestintheworld.Its26kilometerslong.,TheNileisthelongestriverintheworld.Itsmorethan6600kilometerslong.Itrunsthrough9countries,itsoneofthelargestriverflowsthroughtheinternationalstatesintheworldandrunsintotheMediterraneanSea(地中海)intheend.,theNile,theCaspianSea,TheCaspianSeaisthebiggestlakeintheworld.ItliesintheborderbetweenAsiaandEurope.,TheSaharaisthebiggestdesertintheworld.ItislocatedinthenorthernAfrica,climateconditionsareverybad,isoneoftheearthsmostnotsuitableforbiologicalsurvival.,theSahara,TheYangtzeRiveristhethirdlongestriverintheworld,thefirstAsianrivers.Its6211.31kilometerslong.TheYangtzeRiverBasin,east-westwidthof3219kilometers,about966kilometerswidenorth-south,passingthrough11provinces.ItrunsintotheEastSeainShanghaifinally.,theYangtzeRiver,Whichisthehighestmountainintheworld?WhichisthelongestriverinAsia?.,Talkaboutthesepicturesinpairs.,1aMatchthefactsyouknow.,Practiceinpairslikethis:A:Whatistheinthe?B:,Practice,8,844.43metershigh.8,844.43米高metershigh(long,wide)米高（长，宽)。英语表示“有多长（宽，高）”时，一般将数词和数量单位放在表示长宽高的形容词前作状语。e.g.Thewallis2.5metreshigh.,Explaination,A:HowhighisQomolangma?B:Its8,844.43metershigh.,Practice,Thebiggestdesertintheworldisabout9,600,000squarekilometersinsize.,HowbigistheSahara?Itsabout9,600,000squarekilometersinsize.,1bListenandcompletethesentences.,1.Qomolangmais_thananyothermountainintheworld.2.TheSaharais_desertintheworld.3.TheCaspianSeais_ofallthesaltlakes.4.TheNileis_riverintheworld.,higher,thebiggest,thedeepest,thelongest,1cUsetheinformationin1btomakeconversations.,Whatisthehighestmountainintheworld?,Qomolangma.,2aListenandnumberthefacts(1-4)intheorderyouhearthem.,_TheYangtzeRiverisabout_kilometerslongandtheYellowRiveris_kilometerslong._Chinahasthebiggestpopulationintheworld.ItsalotbiggerthanthepopulationoftheUS._Chinaisover_yearsold.IthasamuchlongerhistorythantheUS.TheUSisnoteven_yearsold._ChinaisalmostasbigastheUS,anditisthebiggestcountryinAsia.,4,2,1,3,2bListenagainandfillintheblankswiththenumbersinthebox.,6,3005,0005,464300,_TheYangtzeRiverisabout_kilometerslongandtheYellowRiveris_kilometerslong._Chinahasthebiggestpopulationintheworld.ItsalotbiggerthanthepopulationoftheUS._Chinaisover_yearsold.IthasamuchlongerhistorythantheUS.TheUSisnoteven_yearsold._ChinaisalmostasbigastheUS,anditisthebiggestcountryinAsia.,4,2,1,3,6,300,5,464,5,000,300,2cMakeconversationsusingtheinformationin2a.,A:DidyouknowthatChinaisoneoftheoldestcountriesintheworld?B:Yes,Idid.itsmucholderthanmycountry.,Practice,A:DidyouknowthatYangtzeRiveristhelongestriverinChina?B:Yes,Idid.Its6,300meterslong.B:Wow!Thatslong!,中国的长城共有近一万公里，东起河北秦皇岛的山海关，西到嘉峪关，这是明代修筑长城的两个最大关口，北京境内的长城有600余公里，比较著名的有八达岭长城、金山岭长城、司马台长城、慕田峪长城、居庸关长城和箭扣长城等。,TheGreatWall,2dReadtheconversationandanswerthequestions:,1.Whichisthebiggestman-madeobjectsintheworld？2.WhichisthemostfamouspartoftheMingGreatWall?,TheGreatWall.,Badalingpartofthewall.,1.FellfreetoaskmeanythingontodaysGreatWalltour.在今天的长城游中，大家尽管问我任何问题，不要拘束。,fellfree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。,Languagepoints,e.g.A:CanIuseyourdictionary?我可以用一下你的字典吗？B:Yes,feelfree.可以，请随意。,1)asfarasIknow=sofarasIknow，意思是“据我所知”。,2.AsfarasIknow,therearenootherman-madeobjectsasbigasthis.据我所知，再没有像它这样大的人造物体了。,e.g.AsfarasIknow,Marysgottwinsisters.就我所知，玛丽有一对孪生姐妹。Sheisnotcomingtoday,sofarasIknow.她今天不来了就我所知是这样的。,2)句中man-made是一个合成形容词，意为“人造的”。像这样与-made复合而成的形容词不止一个。常见的有：handmade(手工制作的)、homemade(家庭制作的)、machine-made(机制的)、tailor-made(量体定制的；特制的；定做的)，用以描述产品的生产或制造手段，特点等，甚至还有像self-made(自学而成的；自我奋斗而成的；天然形成的)可以用来描述人。,e.g.Weonlysellhomemadecakesandhomemadewine.我们只卖私家烘焙的蛋糕和家酿葡萄酒。Thesoapoperarolewastailor-madeforthatactress.这个肥皂剧角色是专为那为女演员量身设计的。,feelfreethemostpopularquestionta