unit-7-Whats-the-highest-mountain-in-the-world第一课时.ppt

Whatsthehighestmountainintheworld?,SectionA1a1c,Unit7,学习目标,掌握形容词最高级的变化规律。会运用最高级对同类事物进行比较。了解4个世界之最。,看一看1分钟,Doyouremember?,tall_short_small_cheap_fat_big_heavy_nice_expensive_,taller,tallest,shorter,tallest,smaller,smallest,cheaper,cheapest,fatter,fattest,bigger,biggest,heavier,heaviest,nicer,nicest,moreexpensive,mostexpensive,说一说3分钟,Geography,Today,wellhaveageographyclassinEnglish.Now,Ihavesomequestionstoaskyou.,Doyouknowtheseplaces?,theSahara,theCaspianSea,Qomolangma,theNile,说一说3分钟,ZhujiangRiveris_.YellowRiveris_thanZhujiangRiver.YangtzeRiveristhe_riverinChina.Whatisthelongestriverintheworld?TheNileisthe_riverintheworld.,珠江2210公里黄河5464公里长江6300公里尼罗河6671公里,long,longer,longest,longest,说一说3分钟,TheTaiMountainis_.TheEmeiMountainis_thanTaiMount.Qomolangmais_.,high,higher,thehighest,Qomolangma,说一说3分钟,TheCaspianSeaisa_(lake/sea).,lake,TheCaspianSea,里海地处亚欧大陆腹部，东、北、西三面湖岸分属土库曼斯坦共和国、哈萨克斯坦共和国、俄罗斯联邦和阿塞拜疆共和国，南岸在伊朗境内。里海的南面和西南面被厄尔布尔士山脉和高加索山脉所环抱，其他几面是低平的平原和低地。整个海域狭长,南北长约1200公里，是世界最长及唯一长度在千公里以上的湖泊；东西平均宽约320公里，湖岸线长约7000公里，面积371000平方公里，最大深度为1025m，湖水总容积为76000立方公里。里海的湖底深度不同，北浅南深，湖底自北向南倾斜，水面低于外洋海面28米，湖水平均深度约180米。有岛屿约50个，面积约350平方公里。有伏尔加河、乌拉尔河、库拉河、捷列克河等130多条河流注入。,听一听2分钟,TheSaharaisa_(desert/mountain),desert,theSahara,撒哈拉沙漠约形成于二百五十万年前，乃世界第二大荒漠，仅次于南极洲，是世界最大的沙质荒漠。它位于非洲北部，气候条件非常恶劣，是地球上最不适合生物生存的地方之一。其总面积约9,065,000平方公里,容得下整个美国本土。“撒哈拉”是阿拉伯语的音译，源自当地游牧民族图阿雷格人的语言，原意即为“沙漠”。,听一听2分钟,Exercise1Match,QomolangmaTheSaharaTheCaspianSeaTheNile,deeplonghighbigstrong,练一练1分钟,Exercise2Match,about9,600,000squarekilometersinsize1,025metersdeep6,671kilometerslong8,844.43metershigh,QomolangmaTheSaharaTheCaspianSeaTheNile,练一练1分钟,1bListenandcompletethesentences.,1.Qomolangmais_thananyothermountainintheworld.2.TheSaharais_desertintheworld.3.TheCaspianSeais_ofallthesaltlakes.4.TheNileis_riverintheworld.,higher,thebiggest,thedeepest,thelongest,练一练5分钟,A:Whatsthehighestmountainintheworld?B:_.A:Whatsthebiggestdesertintheworld?B:_.A:Whatsthedeepestsaltlakeintheworld?B:_.A:Whatsthelongestriverintheworld？B:_.,Pleaseworkinpairs.,练一练5分钟,当堂检测,一、写出一下词语的比较级和最高级：big_deep_high_long_二、单项选择：YaoMingis_basketballplayerinChina.A.tallB.tallerC.thetallestMissZhangis_thanZhangXiaoling.A.oldB.olderC.oldest,biggerbiggest,deeperdeepest,higherhighest,longerlongest,三、说出以下地点的名称。,tallest,fastest,finest,driest,easiest,biggest,fattest,mostoutgoing,mostpopular,1.直接加est构成最高级,2.以e结尾的，直接加st,3.以辅音字母加y结的，改y为i，再加est,4.双写最后的辅音字母，再加est,5.多音节及部分双音节词在前面加most构成最高级,形容词或副词最高级的构成,听一听4分钟,不规则变化：good/wellbad/badlymany/muchfaroldlittle,-better-best,-worse-worst,-more-most,-farther/further-farthest/furthest,-older/elder-oldest/eldest,-less-least,听一听2分钟,使用比较级或最高级应注意的几点,1.例：Heistall.Heisveryshort,buttallerthanme.Ofthethreegirls,Maryisthetallest.,（没有比较，用原级）,（两者之间比较，用比较级）,（多者比较，用最高级）,2.例：Thisisthebestroominthehotel.Hestudies(the)hardestofallthestudents.,形容词最高级前常加the，副词最高级前the可有可无,听一听2分钟,3.例：JapaneseismuchmoredifficultthanEnglish.YourspokenEnglishisalittlebetterthanmine.,比较级前常用的修饰语有：even,alot,abit,much,alittle等。,语法专练,()1.Jackis_thanTom.A.tallB.astallasC.tallerD.thetallest()2.Whois_,Tom,Jack,orDavid?A.tallB.astallasC.tallerD.thetallest()3.Theyellowriverisoneof_riverinChina.A.longB.thelongC.thelongerD.thelongest,C,D,D,练一练5分钟,()4.Ofallthesubjects,Englishis_forme.A.interestingB.moreinterestingC.themostinterestingD.muchmoreinteresting()5.Ididntbuythesecond-handbookbecausethesellerwanted_moneythanIhadexpected.A.lessB.leastC.mostD.more,C,D,数字的读法,1,200,thousand千,onethousand,twohundred,111,200,onehundredandeleventhousand,twohundred,1,111,200,111,111,200,million百万,onemillion,onehundredandeleventhousand,twohundred,onehundredandelevenmillion,onehundredandeleventhousand,twohundred,听一听5分钟,3002,30020,3001,500,30013,500,300,million，t