Unit7,Unit7Whatsthehighestmountainintheworld?,SectionA11a2d,Presentation,squaren.平方,metern.米,deepadj.深的,desertn.沙漠,populationn.人口,Asian.亞洲,tourv.n.旅行,touristn.旅行者,walln.墻,amazingadj.令人大為驚奇的,ancientadj.古代的,wideadj.寬的；寬闊和,Doyouknowtheseinterestplaces?,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:Whichistheinthe?B:,Practice,8,844metershigh.8,844米高metershigh(long,wide)米高（長(zhǎng)，寬)。英語(yǔ)表示“有多長(zhǎng)（寬，高）”時(shí)，一般將數(shù)詞和數(shù)量單位放在表示長(zhǎng)寬高的形容詞前作狀語(yǔ)。e.g.Thewallis1.7metreswide.,Explaination,A:HowhighisQomolangma?B:Its8,844metershigh.,Practice,Thebiggestdesertintheworldisabout8,000,000squarekilometersinsize.,HowbigistheSahara?Itsabout8,000,000squarekilometersinsize.,1bListenandcompletethesentences.,1.Qomolangmais_thananyothermountainintheworld.2.TheSaharais_desertintheworld.3.TheCaspianSeais_ofallthesaltlakes.4.TheNileis_riverintheworld.,higher,thebiggest,thedeepest,thelongest,2aListenandnumberthefacts(1-4)intheorderyouhearthem.,6,3005,0005,464300,_TheYangtzeRiverisabout_kilometerslongandtheYellowRiveris_kilometerslong._Chinahasthebiggestpopulationintheworld.ItsalotbiggerthanthepopulationoftheUS._Chinaisover_yearsold.IthasamuchlongerhistorythantheUS.TheUSisnoteven_yearsold._ChinaisalmostasbigastheUS,butitisthebiggestcountryinAsia.,4,2,1,3,2bListenagainandfillintheblanksin2awiththenumbersinthebox.,6,3005,0005,464300,_TheYangtzeRiverisabout_kilometerslongandtheYellowRiveris_kilometerslong._Chinahasthebiggestpopulationintheworld.ItsalotbiggerthanthepopulationoftheUS.,6,300,5,464,_Chinaisover_yearsold.IthasamuchlongerhistorythantheUS.TheUSisnoteven_yearsold._ChinaisalmostasbigastheUS,butitisthebiggestcountryinAsia.,5,000,300,2cMakeconversationsusingtheinformationin2a.,A:DidyouknowthatChinaisoneoftheoldestcountriesintheworld?B:Yes,Idid.itsmucholderthanmycountry.,Practice,A:DidyouknowthatYangtzeRiveristhelongestriverinChina?B:Yes,Idid.Its6,300meterslong.B:Wow!Thatslong!,中國(guó)的長(zhǎng)城共有近一萬(wàn)公里，東起河北秦皇島的山海關(guān)，西到嘉峪關(guān)，這是明代修筑長(zhǎng)城的兩個(gè)最大關(guān)口，北京境內(nèi)的長(zhǎng)城有600余公里，比較著名的有八達(dá)嶺長(zhǎng)城、金山嶺長(zhǎng)城、司馬臺(tái)長(zhǎng)城、慕田峪長(zhǎng)城、居庸關(guān)長(zhǎng)城和箭扣長(zhǎng)城等。,TheGreatWall,2dReadtheconversationandanswerthequestions:,1.Whichisthebiggestman-madeobjectsintheworld？2.WhichisthemostfamouspartoftheMingGreatWall?,TheGreatWall.,Badalingpartofthewall.,1.FeelfreetoaskmeanythingontodaysGreatWalltour.在今天的長(zhǎng)城游中，大家盡管問(wèn)我任何問(wèn)題，不要拘束。,feelfree是英語(yǔ)口語(yǔ)中一個(gè)常用表達(dá)。若有人讓你feelfreetodosomething，就是讓你無(wú)需拘束，只管按照自己的意愿去做某事。,Languagepoints,e.g.A:CanIuseyourbathroom?我可以用一下你的衛(wèi)生間嗎？B:Yes,feelfree.可以，請(qǐng)隨意。,asfarasIknow是一個(gè)固定的表達(dá)方式，還可以說(shuō)sofarasIknow，意思是“據(jù)我所知”。,2.AsfarasIknow,therearenoman-madeobjectsasbigasthis.據(jù)我所知，再?zèng)]有像它這樣大的人造物體了。,e.g.AsfarasIknow,Jacksgottwinsisters.就我所知，杰克有一對(duì)孿生姐妹。Theyrenotcomingtoday,sofarasIknow.他們今天不來(lái)了就我所知是這樣的。,feelfreethemostpopularquestiontalkabouttheMingDynastytheancientemperorsthemainreasonasfarasIknowtheMingGreatWall,Importantphrasesandsentences.,Howlongist