英语人教版八年级下册Unit 7 Whats the highest mou.ppt

Unit7Whatsthehighestmountainintheworld?,学习新词汇：square,meter,deep,desert学习英语中大数字的读法学习英语中表示度量的结构学习“比较级+thananyother+单数名词”及相关结构学习谈论地理和自然,本课时学习目标,Presentation,squaren.平方;正方形,metern.米；公尺,deepadj.深的；纵深的,desertn.沙漠,Doyouknow?,Whatsthehighestmountainintheworld?Howhighisit?,Qomolangma,Qomolangmaisthehighestmountainintheworld.Itis8,844.43metershigh.,NowletsenjoythebeautifulscenesofQomolangma:,onetwothreefourfivesixseveneightnineten,eleventwelvethirteenfourteenfifteensixteen，seventeeneighteennineteen,复习基数词,twotwelvetwenty,threethirteenthirty,fourfourteenforty,fivefifteenfifty,sixsixteensixty,sevenseventeenseventy,eighteighteeneighty,ninenineteenninety,oneeleven,ten,onehundred,1.1-19:(记住每个单词的读音),2.20-90(整十):(记住每个单词单词的读音)-ty,3.21-99(几十几):,4.100-900(整百):,5.101-999:,_hundredand,_,_,个位,十位,_,个位,(几百几十几),Howtoread121321432154321654321765432187654321987654321?,当数字大于等于4位时，可以使用计数逗点，从这个数字的个位往左数，每三位数字打一个计数逗点；另外还需使用英语单词：hundred(一百)7BP14thousand(一千)8BP70million(一百万)8BP62billion(十亿),eg.Howtoread1987654321?,1,987,654,321,thousand,million,又eg.Howtoread123456787899?,123,456,787,899,billion,一逗：thousand(一千)二逗：million(一百万)三逗：billion(十亿),Canyoureadthem?5,6549,54323,34534,686943,233467,328,1,0256,6719,600,0008,844.43,pointn.点；小数点,小试身手1,读作：eightthousand,eighthundredandforty-fourpointfourthree,读作:onethousandandtwenty-five,读作：sixthousand,sixhundredandseventy-one,读作：ninemillion,sixhundredthousand,Whatdoyouknowaboutthefollowingnumbers?,1,025metersdeep,theCaspianSea里海,Whatdoyouknowaboutthefollowingnumbers?,6,671kilometerslong,theNile尼罗河,Whatdoyouknowaboutthefollowingnumbers?,9,600,000squarekilometersinsize,theSahara撒哈拉沙漠,Matchthefactsyouknow.,1a,QomolangmaTheSaharaTheCaspianSeaTheNile,about9,600,000squarekilometersinsize1,025metersdeep6,671kilometerslong8,844.43metershigh,珠穆朗玛峰,撒哈拉沙漠,里海,尼罗河,平方公里,在尺寸上；在大小方面,Matchthefactsyouknow.,1a,QomolangmaTheSaharaTheCaspianSeaTheNile,about9,600,000squarekilometersinsize1,025metersdeep6,671kilometerslong8,844.43metershigh,Qomolangmais8,844.43metershigh.,TheSaharais9,600,000squarekilometersinsize.,TheCaspianSeais1,025metersdeep.,TheCaspianSea,TheNileis6,671kilometerslong.,TheNileis6,671kilometerslong.Qomolangmais8,844.43metershigh.TheCaspianSeais1,025metersdeep.,基数词+表示度量的名词+形容词,1.基数词+meters/kilometers+long/wide/high,tall/deep米/公里长/宽/高/深2.squaremeters/squarekilometersinsize面积平方米/平方公里How+long/wide/high,tall/deep+be+主语？,小试身手2,汉译英：1.我的哥哥身高1.85米。2.这条河大约30米宽。3.祥和街不到1公里长。,1.85meterstall.,Mybrotheris,about30meterswide.,Theriveris,lessthanonekilometerlong.,XiangheStreetis,4.那套房子(apartment)面积大约65平方米。5.这座山高三千多米。6.我们的教室长9米，宽7米，高3.5米。,morethanthreethousandmetershigh.,Themountainis,about65squaremetersinsize.,Thatapartmentis,Ourclassroomis,9meterslong,7meterswideand3.5metershigh.,Listenandcompletethesentences.,Qomolangmais_thananyothermountainintheworld.TheSaharais_desertintheworld.TheCaspianSeais_ofallthesaltlakes.TheNileis_riverintheworld.,1b,higher,thebiggest,thedeepest,thelongest,Qomolangmaishigherthananyothermountainintheworld.,珠穆朗玛峰比世界上其他任何山都要高。,比较级+thananyother+单数名词,思考：这个句子的同义句是什么？,Qomolangmaisthehighestmountainintheworld.,Qomolangmaishigherthantheothermountainsintheworld.,_,_,最高级的意义也可以用比较级形式表达1.比较级+thananyother+单数名词2.比较级+thantheother+复数名词ShanghaiisthebiggestcityinChina.上海是中国最大的城市。ShanghaiisbiggerthananyothercityinChina.上海比中国其他任何城市都要大。ShanghaiisbiggerthantheothercitiesinChina.上海比中国别的城市都要大。,注意：如果相互比较的人或物不在同一范围或不属于同一类别，就不用other。,ShanghaiisbiggerthananycityinIndia.上海比印度的任何城市都要大。,对比：ShanghaiisbiggerthananyothercityinChina.上海比中国其他任何城市都要大。,小试身手3,思考：孙佳乐身高1.73米，是我们班个子最高的男生。如何用英语表达这一客观事实？(先使用最高级,再使用比较级),SunJialeisthetallestboyinourclass.,SunJialeistallerthananyotherboyinourclass.,SunJialeistallerthantheotherboysinourclass.,假如他比4班任何男生都要高，又如何用英语表达这一客观事实？,SunJialeistallerthananyboyinClass4.,A:Whatisthehighestmountainintheworld?B:Qomolangma.A:Howhighisit?B:Its8,844.43metershigh.,1c,Pairwork,Usetheinformationin1btomakeconversations.,Example1:,A:Whatisthebiggestdesertintheworld?B:TheSahara.A:Howbigisit?B:Itisabout9,600,000squarekilometersinsize.,Example2:,A:Whatisthedeepestsaltlakeintheworld?B:TheCaspianSea.A:Howdeepisit?B:Its1,025metersdeep.,Example3:,A:Whatisthelongestriverintheworld?B:TheNile.A:Howlongisit?B:Its6,671kilometerslong.,课堂检测1,单项选择。1Howlongisthebridge?Its_A.300meterlongB.300meterslongC.300meterslongD.300meterlong2(2014黄冈)EveryoneknowsCanadaisthesecondlargestcountryintheworld.Thatis,itislargerthan_countryinAsia.AanyBanyotherCotherDanother,C,A,3.Wecansaythenumber78,645inEnglishlikethis_A.seventy-eightthousandandsixhundredandforty-fiveB.seventy-eightthousand,sixhundredandforty-fiveC.seventy-eightthousand,sixhundredforty-fiveD.seventyeightthousand,