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Unit7What’sthehighestmountainintheworld？(SectionA)•Whatisyourfavoritesubject?•Whatcanwelearninageographyclass?geographymountaindesertriverocean•中国最大的咸水湖是_______________.lakesaltlakefreshlake淡水湖咸水湖青海湖你知道吗？•1.What’sthehighestmountainintheworld?•世界上最高的山？•2.What’sthelongestriverintheworld?•世界上最长的河流？•3.What’sthebiggestdesertintheworld?•世界上最大的沙漠？•4.What’sthedeepestsaltlakeintheworld?•世界上最深的咸水湖？珠穆朗玛峰尼罗河6671里海TheCaspianSeaisthebiggestsaltlakeintheworld.ItliesintheborderbetweenAsiaandEurope.It’s1,025metersdeep.撒哈拉沙漠It’sabout9,600,000squarekilometersinsize.长江Qomolangmais_____________mountainintheworld.Howhighitis?Itis8,844metershigh.QomolangmathehighestTheCaspianSeais_____________saltlakeintheworld.TheCaspianSeaHowdeepistheCaspianSea?Itis1,025metersdeep.thedeepestTheYangtzeRiveris__________riverinAsia.TheYangtzeRiverHowlongistheYangtzeRiver?Itis6,300kilometerslong.thelongestHowbigistheSahara?Itisabout9,600,000squarekilometersinsize.SaharaTheSaharais_____________desertintheworld.thebiggestThesecondlongestriverintheworld-Doyouknowitsname?-ItisAmazon（亚马逊河）.-Doyouknowhowlongitis?-It’sabout6,500kilometerslong.It’s8,844metershigh.它有8,844米高。Itis1,025metersdeep.它有1,025米深。Itis6,300kilometerslong.它有6,300米长。Itisabout9,600,000squarekilometersinsize.它大概9,600,000平方千米大。表示长度的单位：millimeter毫米squaremillimeter平方毫米centimeter厘米squarecentimeter平方厘米meter米squaremeter平方米kilometer公里/千米squarekilometer平方千米It’s8,844metershigh.它有8,844米高。Itis1,025metersdeep.它有1,025米深。Itis6,300kilometerslong.它有6,300米长。Itisabout9,600,000squarekilometersinsize.它大概9,600,000平方千米大。基数词表达（三位数以上）基数词•1•2•3•4•5•6•7•8•9•one•two•three•four•five•six•seven•eight•nine•10•11•12•13•14•15•16•17•18•19•ten•eleven•twelve•thirteen•fourteen•fifteen•sixteen•seventeen•eighteen•nineteen基数词•20•21•30•40•50•60•70•80•90•twenty•twenty-one•thirty•forty•fifty•sixty•seventy•eighty•ninety•99•100•101•112•256•510•999•ninety-nine•onehundred•onehundredandone•onehundredandtwelve•twohundredandfifty-six•fivehundredandten•ninehundredandninety-nine4位或以上数字读法•4位和4位以上的数字，是从后向前数，三位三位地读，依次为thousand（千）,million（百万）,billion（十亿），如：•9743ninethousand,sevenhundredandforty-three174301onehundredandseventy-fourthousand,threehundredandone•每三位都是从个位到百位数的，读法遵循一般规律，即在百位和十位之间（十位为零时在个位之前）加and如：•103,000onehundredandthreethousand•1,000•1,001•3,010•4,056•6,300•12,345•123,456•onethousand•onethousandandone•threethousandandten•fourthousandandfifty-six•sixthousand,threehundred•twelvethousand,threehundredandforty-five•onehundredandtwenty-threethousand,fourhundredandfifty-six•1,234,567•12,345,678•123,456,789•onemillion,twohundredandthirty-fourthousand,fivehundredandsix-seven•twelvemillion,threehundredandforty-fivethousand,sixhundredandseventy-eight•onehundredandtwenty-threemillion,fourhundredandfifty-sixthousand,sevenhundredandeighty-nine•1,234,567,890•onebillion,twohundredandthirty-fourmillion,fivehundredandsixty-seventhousand,eighthundredandninetyIt’s8,844metershigh.它有8,844米高。Itis1,025metersdeep.它有1.025米深。Itis6,300kilometerslong.它有6,300米长。Itisabout9,600,000squarekilometersinsize.它大概9,600,000平方千米大。Itis…metershigh/deep/long/wide/insize....它……米高/深/长/宽/大小……对划线部分提问1.It’s8,844metershigh.____________isit?2.Itis1,025metersdeep.____________isit?3.Itis6,300kilometerslong.____________isit?HowhighHowdeepHowlong它多高？它多深？它多长？翻译下列句子•1.这张桌子两米长，一米宽。•Thetableistwometerslongandonemeterwide.•2.这座山有1500米高。•Themountainis1,500metershigh.•3.这栋楼120米高。•Thebuildingis120meterstall.•4.这本字典有五厘米厚。•Thedictionaryisfivecentimetersthick.•5.这个湖有多深？1025米深。•Howdeepisthelake?It’s1,025metersdeep.课文要点P502a•TheYangtzeRiverisabout6,300kilometerslongandtheYellowRiveris5,464kilometerslong.•Chinahasthebiggestpopulationintheworld.It’salotbiggerthanthepopulationoftheUS.•Chinaisover5,000yearsold.IthasamuchlongerhistorythantheUS.TheUSisnoteven300yearsold.•ChinaisalmostasbigastheUS,anditisthebiggestcountryinAsia.人口最多多得多超过长得多甚至和……一样大Population人口•1.常与the连用，作主语时谓语动词常用第三人称单数形式。•Theworld’spopulation______(be)increasingfasterandfaster.•全世界的人口增长得越来越快。isPopulation人口•2.表示人口的“多”或者“少”，要用“large（大）”或“small（小）”•Indiahasa________population.•印度人口众多。•Singaporehasa_________population.•新加坡人口少。largesmallPopulation人口•3.询问某国、某地有多少人口时，用“howlarge…?”问具体人口时用“What’sthepopulationof…?”•__________isthepopulationofChina?•中国有多少人口？•_____________________________Canada?•加拿大的人口有多少？HowlargeWhatisthepopulationof1.abit,alittle,rather,some,any+比较级表示“稍稍”、“一点”•Thesetomatoesare________________thanthose．•这些西红柿比那些稍便宜点。•Helooks_____________________now.•他现在显得高兴点儿了。可以修饰比较级的词语alittlecheaperabithappier2.much,alot+比较级表示“……得多”的•Steveis_____________thanhisbrother.•史帝夫要比他哥哥来的聪明多了。3.even+比较级表示“更加”•Theydidthejob______________.•他们把工作做得甚至更好。•Itis____________thanyesterday.•今天比昨天更加冷。muchclevererevenbetterevencolder4.表示确定程度的修饰语，如分数或有关长度、时间、重量等名词词组通常放在比较级前。•Heis____________________thanme.•他比我小两岁。•Thisbridgeis________________thanthatone.•这桥比那桥长10米。twoyearsyounger10meterslonger随便，轻松……多长?谈论明朝世界上最长的城墙真令人惊奇古代的帝王保护他们的国家据我所知课文要点1.Feelfreetoaskmeanythingontoday’sGreatWalltour.在今天的长城游中，大家尽管随意问我任何问题。feelfreetodosth随意做某事CanIuseyourbathroom?Yes,feelfree.2.ancie