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《英语人教版八年级下册Unit 7 What's the highest mou.ppt》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。
1、Unit7What'sthehighestmountain intheworld?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Presentationsquaren.平方;正方形metern.米；公尺deepadj.深的；纵深的desertn.沙漠Doyouknow?What'sthehighestmountainintheworld?Howhig
2、hisit?QomolangmaQomolangmaisthehighestmountainintheworld.Itis8,844.43metershigh.Nowlet'senjoythebeautifulscenesofQomolangma:onetwothreefourfivesixseveneightnineteneleventwelvethirteenfourteenfifteensixteen，seventeeneighteennineteen复习基数词two——twelve——twe
3、ntythree——thirteen——thirtyfour——fourteen——fortyfive——fifteen——fiftysix——sixteen——sixtyseven——seventeen——seventyeight——eighteen——eightynine——nineteen——ninetyone——eleventenonehundred1.1-19:(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)-ty3.21-99(几十几):十位个位4.100-900
4、(整百):1-9hundred5.101-999:____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
5、?1,987,654,321thousandmillion又eg.Howtoread123456787899?123,456,787,899billion一逗：thousand(一千)二逗：million(一百万)三逗：billion(十亿)Canyoureadthem?5,6549,54323,34534,686943,233467,3281,0256,6719,600,0008,844.43pointn.点；小数点小试身手1读作：eightthousand,eighthundredandfort
6、y-fourpointfourthree读作:onethousandandtwenty-five读作：sixthousand,sixhundredandseventy-one读作：ninemillion,sixhundredthousandWhatdoyouknowaboutthefollowingnumbers?1,025metersdeeptheCaspianSea里海Whatdoyouknowaboutthefollowingnumbers?6,671kilometerslongtheNile
7、尼罗河Whatdoyouknowaboutthefollowingnumbers?9,600,000squarekilometersinsizetheSahara撒哈拉沙漠Matchthefactsyouknow.1aQomolangmaTheSaharaTheCaspianSeaTheNileabout9,600,000squarekilometersinsize1,025metersdeep6,671kilometerslong8,844.43metershigh珠穆朗玛峰撒哈拉沙漠里海尼罗河平
8、方公里在尺寸上；在大小方面Matchthefactsyouknow.1aQomolangmaTheSaharaTheCaspianSeaTheNileabout9,600,000squarekilometersinsize1,025metersdeep6,671kilometerslong8,844.43metershighQomolangmais8,844.43metershigh.TheSaharais9,600,000squarekilometersinsize
