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What’sthehighestmountainintheworld?It’s______________.QomolangmaQomolangmaisthehighestmountainintheworld.It’s8844.43metershigh.It’s______________.What’sthelongestriverintheworld?TheNileisthelongestriverintheworld.It’s6,671kilometerslong.TheNileIt’s__________________.TheCaspianSeaTheCaspianSeaisthebiggestlakeintheworld.Itis1,025metersdeep.What’sthebiggestlakeintheworld?It’s_____________.What’sthebiggestdesertintheworld?TheSaharaisthebiggestdesertintheworld.Itisabout9,600,000squarekilometersinsize.TheSaharaMatchthefactsyouknow.Qomolangmaabout9,600,000squarekilometersinsizeTheSahara1,025metersdeepTheCaspianSea6,671kilometerslongTheNile8,844.43metershigh1a1.形容词比较级和最高级比较级在词尾加er或词前加more;最高级在词后加est或词前加most。A与B相比更…A+be+形容词比较级+than+BA与B一样…A+be+as+形容词原级+as+BA是…中最…A+be+the+形容词最高级+范围比较级前可用much,alittle,even,far等修饰。不规则变化2.数字表达法英语中一千以上数字的表达方法是从数字的右端向左端数起，每三位数加一个逗号。从右开始，第一个逗号前数字后加thousand，第二个逗号前数字后加million，第三个逗号前数字后加billion，然后一节一节分别表示。264816250064523716623416,250,0642,6485,237,166,2343.英语表示“有多长(宽，高…)”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，即数词+数量单位(meters/kilometers)+长宽高(long,wide,high，…)…米高（长，宽…)。Thewallis1.7meterswide.小数点读point.Listenandcompletethesentences.1.Qomolangmais__________thananyothermountainintheworld.2.TheSaharais____________desertintheworld.3.TheCaspianSeais____________ofallthesaltlakes.4.TheNileis__________riverintheworld.higherthebiggestthedeepestthelongest1bUsetheinformationin1btomakeconversations.Whatisthehighestmountainintheworld?Qomolangma.1cListenandnumberthefacts(1-4)intheorderyouhearthem.__TheYangtzeRiverisabout___kilometerslongandtheYellowRiveris___kilometerslong.__Chinahasthebiggestpopulationintheworld.It’salotbiggerthanthepopulationoftheUS.__Chinaisover___yearsold.IthasamuchlongerhistorythantheUS.TheUSisnoteven_____yearsold.__ChinaisalmostasbigastheUS,butitisthebiggestcountryinAsia.42132aListenagainandfillintheblanksin2awiththenumbersinthebox.6,3005,0005,464300___TheYangtzeRiverisabout_______kilometerslongandtheYellowRiveris______kilometerslong.___Chinahasthebiggestpopulationintheworld.It’salotbiggerthanthepopulationoftheUS.6,3005,4642b___Chinaisover______yearsold.IthasamuchlongerhistorythantheUS.TheUSisnoteven_____yearsold.___ChinaisalmostasbigastheUS,butitisthebiggestcountryinAsia.5,0003006,3005,0005,464300population1.集合名词，常与the连用。作主语时谓语用三单形式。2.表示人口多少用large/big和small。Indiahasalargepopulation.3.问具体人口用What’sthepopulationof…What’sthepopulationofCanada?population4.当被分数，百分数修饰的时候，谓语动词用复数。About60percentofthepopulationherearefarmers.5.表示一个国家或地区有多少人口时用（1）thepopulationof…ThepopulationofChinaisabout1.3billion(2)…have/hasapopulationof…Chinahasapopulationofabout1.3billion.Makeconversationsusingtheinformationin2a.A:DidyouknowthatChinaisoneoftheoldestcountriesintheworld?B:Yes,Idid.it’smucholderthanmycountry.2c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。TheGreatWallG:Feelfreetoaskmeanythingontoday’sGreatWalltour.T1:Howlongisthewall?G:Ah,themostpopularquestion!Ifwe’reonlytalkingaboutthepartsfromtheMingDynasty,it’sabout8,850kilometerslong.Thismakesitthelongestwallintheworld.Role-playtheconversation.2dT2:Wow,that’samazing!Whydidtheancientemperorsbuildthewall?G:Themainreasonwastoprotecttheirpartofthecountry.Asyoucansee,it’squitetallandwide.AsfarasIknow,therearenoman-madeobjectsasbigasthis.T3:IsBadalingpartoftheMingGreatWall?G:Yes,it’sthemostfamouspart.1953年5月29日，英国登山队的新西兰人希拉里和夏尔巴人丹增·诺盖从南坡登顶，成为目前被认可的最早成功登上珠穆朗玛峰的人。EdmundHillaryTenzingNorgay日本登山运动员。1970年她登上了海拔7577米的安纳布尔纳Ⅳ峰。1975年5月16日，她从东南山脊路线登上了海拔8848米的珠穆朗玛峰，是世界登山运动史上第1个踏上地球之巅的女性。JunkoTabei1960年中国登山队首次登上珠穆朗玛峰。在挑战最后的难点—海拔8700米至8750米处的悬崖时，登山队员刘连满毅然用自己的身体搭成“人梯”，让另外的队员踩着自己的肩膀往上攀登，这也就是中国登山界著名的“人梯精神”。“人梯精神”使中国人在世界登山史上第一次创造了从北坡征服珠峰的历史壮举。Readthearticleandmatcheachparagraphwiththemainideas.3aParagraph1SpiritofclimbersParagraph2AchievementsofclimbersParagraph3FactsanddangersQomolangma—theMostDangerousMountainintheWorld?Oneoftheworld’smostdangeroussportsismountainclimbingandoneofthemostpopularplacesforthisistheHimalayas.TheHimalayasrunalongthesouthwesternpartofChina.Ofallthemountains,Qomolangmarisesthehighestandisthemostfamous.Itis8,844.43metershighandsoisverydangeroustoclimb.Thickcloudscoverthetopandsnowcanfallveryhard.Evenmoreseriousdifficultiesincludefreezingweatherconditionsandheavystorms.Itisalsoveryhardtotakeinairasyougetnearthetop.ThefirstpeopletoreachthetopwereTenzingNorgayandEdmundHillaryonMay29,1953.ThefirstChineseteamdidsoin1960,whilethefirstwomantosucceedwasJunkoTabeifromJapanin1975.Whydosomanyclimbersrisktheirlives?Oneofthemainreasonsisbecausepeoplewanttochallengethemselvesinthefaceofdifficulties.1.succeedindoingsth成功做某事2.succeedwithsth在某方面获得成功1.riskone’slife冒生命危险2.taketheriskofdoingsth冒险做某事Thespiritoftheseclimbersshowsusthatweshouldnevergiveuptryingtoachieveourdreams.Italsoshowsthathumanscansometimesbestrongerthantheforcesofnature.动词，强迫forcesbtodosth=forcesbintodoingsthTheyforcedhimtoleavethetown.=Theyforcedhimintoleavingthetown.Matcheachparagraphwiththemainideas.Paragraph1SpiritofclimbersParagraph2Achievementsofclimber