Unit7What’sthehighestmountainintheworld?

第一課時SectionA(1a-2d)Whichisthehighestmountainintheworld?Whichisthelongestriverintheworld?Whichisthebiggestdesertintheworld?……Doyouknowthis?Warm-upQomolangmaQomolangmarunsalongtheborderbetweenChinaandNepal.Itiscoveredwithsnowalltheyearround.It’s8848.86metershigh,thehighestintheworld.It’s26kilometerslong.TheSaharathebiggestdeserttheSahara

TheSahara

isthebiggestdesertintheworld.ItislocatedinthenorthernAfrica.Itsclimateconditionsareverybadandisoneoftheearth'smostunsuitableforbiologicalsurvival.

TheCaspianSeathedeepestsaltlaketheCaspianSea

TheCaspianSea(里海)

isthebiggestinland

lakeintheworld.Themaxdepthis1,025m(inthesouthernpart).ItliesintheborderbetweenAsiaandEurope.TheNilethelongestrivertheNile

TheNile

isthelongestriverintheworld.It’smorethan6,600kilometerslong.Itrunsthrough9countries.It’soneofthelargestriverflowingthroughtheinternationalstatesintheworldandrunsintotheMediterraneanSea(地中海)intheend.

theYangtzeRiver

TheYangtzeRiver

isthethirdlongestriverintheworld,andthefirstAsianriver.It’s6211.31kilometerslong.TheYangtzeRiverBasin,east-westwidthof3,219kilometers,about966kilometerswidenorth-south,passingthrough11provinces.ItrunsintotheEastSeainShanghaifinally.Matchthefactsyouknow.1aQomolangmaTheSaharaTheCaspianSeaTheNileabout9,000,000squarekilometersinsize1,025metersdeep6,671kilometerslong8,848.86metershighPre-listening8848.86metershigh1,025metersdeep6,671kilometerslong9,600,000squarekilometersinsize高度深度長度面積長度、寬度、高度、深度等的表示法，有一個專門的結構，那就是“基數詞+單位詞（meters，kilometers,squarekilometers）+形容詞(long長,wide寬,high高,deep深,insize面積)”觀察與總結1觀察與總結2eightthousand,eighthundredandforty-eight,pointeightsixsixthousand,sixhundredandseventy-oneonethousandandtwenty-fiveninemillion,sixhundredthousand

千位及千位以上數字的表達：以三位數為一個單位，每三位數用“，”隔開。8848.866,6711,0259,600,000111,121,435,678

↓

↓

↓billion十億million百萬thousand千讀：onehundredandelevenbillion

onehundredandtwenty-onemillionfourhundredandthirty-fivethousand

sixhundredandseventy-eight逗號讀法Listenandcompletethesentences.Qomolangmais______thananyothermountainintheworld.TheSaharais_________desertintheworld.TheCaspianSeais_________ofallthesaltlakes.TheNileis_________riverintheworld.1bhigherthebiggestthedeepestthelongestWhile-listening1cPairworkUsetheinformationin1btomakeconversations.A:Whatisthehighestmountainintheworld?B:Qomolangma.Post-listeningExample1:A:Whatisthebiggestdesertintheworld?B:TheSahara.Example2:A:Whatisthelongestriverintheworld?B:TheNile.Listenandnumberthefacts[1-4]intheorderyouhearthem.__TheYangtzeRiverisabout_____kilometerslongandtheYellowRiveris________kilometerslong.__Chinahasthebiggestpopulationintheworld.It’salotbiggerthanthepopulationoftheUS.__Chinaisover_____yearsold.IthasamuchlongerhistorythantheUS.TheUSisnoteven___yearsold.__ChinaisaboutthesamesizeastheUS,anditisthebiggestcountryinAsia.2a1432While-listening__TheYangtzeRiverisabout_____kilometerslongandtheYellowRiveris_____kilometerslong.__Chinahasthebiggestpopulationintheworld.It’salotbiggerthanthepopulationoftheUS.__Chinaisover_____yearsold.IthasamuchlongerhistorythantheUS.TheUSisnoteven____yearsold.__ChinaisalmostasbigastheUS,anditisthebiggestcountryinAsia.Listenagainandfillintheblanksin2awiththenumbersinthebox.2b6,3005,4645,0003006,3005,0005,4643001432Makeconversationsusingtheinformationin2a.2cA:DidyouknowthatChinaisoneoftheoldestcountriesintheworld?B:Yes,Idid.It’smucholderthanmycountry.Post-listeningReadingWhichisthebiggestman-madeobjectsintheworld？2.WhichisthemostfamouspartoftheMingGreatWall?TheGreatWall.Badaling.2d

中國的長城共有近一萬公里，東起河北秦皇島的山海關，西到嘉峪關，這是明代修筑長城的兩個最大關口，北京境內的長城有600余公里，比較著名的有八達嶺長城、金山嶺長城、司馬臺長城、慕田峪長城、居庸關長城和箭扣長城等。TheGreatWall

theMingGreatWall明長城“明長城”是指明朝時期為了防御北方游牧民族的騷擾，歷時一百多年在北部地區修筑的軍事防御工程。這段長城東起遼寧虎山，西至甘肅嘉峪關，從東向西橫貫多個省、直轄市、自治區，全長約8850千米，是現存歷代長城遺跡中最完整、最堅固的。Readagainandanswerthequestionsin2d.1.HowlongistheMingGreatWall?2.Whatdoestheguidesayaboutthewall?It’sabout8,850kilometerslong.It’squitetallandwide./It’sthelongestwallintheworld.…Guide:Feelfreetoaskmeanythingontoday'sGreatWalltour.Tourist1:Howlongisthewall?Guide:Ah,themostpopularquestion!Ifwe'reonlytalkingaboutthepartsfromtheMingDynasty,it'sabout8,850kilometerslong.Thismakesitthelongestwallintheworld.導游可以隨便做某事長城n.&v.旅行游客墻朝代Tourist2:Wow,that'samazing!Whydidtheancientemperorsbuildthewall?Guide:Themainreasonwastoprotecttheirpartofthecountry.Asyoucansee,it'squitetallandwide.AsfarasIknow,therearenootherman-madeobjectsasbigasthis.Tourist3:IsBadalingpartoftheMingGreatWall?Guide:Yes,it'sthemostfamouspart.adj.令人驚奇的adj.古代的；古老的保護正如相當寬的就我所知adj.人造的物品一部分1.比較級表示最高級含義Qomolangmaishigherthananyothermountainintheworld.珠穆朗瑪峰比世界上其他任何一座山都高。anyother意為“其他任何一個”,后接可數名詞單數,常用于比較級結構中,表示最高級含義,可與“theother+可數名詞復數”或者theothers互換。Peterrunsfasterthananyotherstudent/theotherstudents/theothersinhisclass.彼得比他班其他任何一個同學跑得都快。/彼得比他班其他同學跑得都快。LanguagepointsPractice!1.—Whatdoyouthinkofmaths,John?—Forme,mathsis

thananyothersubject.

A.difficult B.moredifficultC.mostdifficult D.themostdifficult2.Chinaisthegreatestcountryintheworld.(改為同義句)Chinaisgreaterthan

countryintheworld.

anyother2.populationn.人口;人口數量Chinahasthebiggestpopulationintheworld.中國是世界上人口最多的國家。population

n.意為“人口”,表示某地有多少人口時,常用句型為:某地+hasapopulationof...或thepopulationof+某地+is...Ourvillagehasapopulationof380.=Thepopulationofourvillageis380.我們村有380口人。拓展(1)thepopulation作主語時,謂語動詞用單數形式;分數/百分之……+of+population作主語時,謂

語動詞多用復數形式,用第三人稱單數形式也可以。Thepopulationofourtownis130,000.我們鎮有13萬人口。30%ofthepopulationinthiscityare/isfromthecountryside.這個城市30%的人口來自農村。(2)指人口“多”或“少”時,一般用large或small,而不用many或few。Indiahasalargepopulation.印度有很多人口。(3)提問“有多少人口”時用what或howlarge,而不用howmany或howmuch。What’sthepopulationofyourhometown?你們家鄉有多少人口?Practice!1.—

thepopulationofTianshui?

—It’sabout3.6million.A.Howmany B.HowmuchC.Whatis D.Whichis2.Eightypercentofthepopulationinourfactory______(be)youngpeople.

3.—Whichcountryhasthe

populationintheworld?

—China.A.many B.mostC.largest D.largeare/is3.It’smucholderthanmycountry.muchhigher意為“高得多”。在形容比較級前還可以用much,even,alittle,still,alot,less等修飾詞表示程度。①

他比我跑得更快。Herunsevenfasterthanme.②

日本土地面積只比德國大一點兒。JapanisalittlelargerthanGermanyinarea.4.Feelfreetoaskmeanythingontoday’sGreatWalltour.

在今天的長城游中，大家盡管問我任何問題，不要拘束。

feelfree是英語口語中一個常用表達。若有人讓你feelfreetodosomething,就是讓你無需拘束，只管按照自己的意愿去做某事。e.g.A:CanIuseyourbathroom?

我可以用一下你的衛生間嗎？

B:Yes,feelfree.可以，請隨意。5.AsfarasIknow,therearenoman-madeobjectsasbigasthis.

據我所知，再沒有像它這樣大的人造物體了。

asfarasIknow是一個固定的表達方式，還可

以說sofarasIknow，意思是“據我所知”。e.g.①AsfarasIknow,Jack’sgottwinsisters.

就我所知，杰克有一對孿生姐妹。

②

They’renotcomingtoday,sofarasIknow.

他們今天不來了—就我所知是這樣的。Ⅰ.根據句意及首字母或漢語提示填寫單詞。1．Topenvironment,weshouldn'tthrowrubbisheverywhere.2．Itisdangeroustowalkinthe___________(沙漠)．3．Asweknow,Chinaisacountryin________(亞洲)．4．Whatisthe_________________(人口)ofChinanow?5．Thisroomis50smetersinsize.rotectdesertAsiapopulationquareExercisesⅡ.用括號內所給單詞的適當形式填空。1．SpringFestivalisthe__________(big)festivalinChina.Itisagoodtimeforfa