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1、Unit7What’sthehighestmountainintheworld?【Study-aims】知识目标：掌握本节课重点单词和句型：squaremeterdeepdesert/Whatisthehighestmountainintheworld?Qomolangma.学会较大的数字的读法和写法。能力目标：能熟练掌握和运用单词squaremeterdeep和desert能够表达物体的长、宽、高、深和面积。正确运用形容词和副词的比较级和最高级。情感目标：培养学生积极参与活动的兴趣，了解世界上的名山大川。squaren.平方metern.米anci
2、entadj.古代的wideadj.宽的；宽阔和deepadj.深的desertn.沙漠populationn.人口Asian.亚洲tourv.n.旅行touristn.旅行者walln.墙amazingadj.令人大为惊奇的It’sthehighestmountainintheworld.Doyouknowhowhighitis?Itis8,844metershigh.Doyouknowitsname?ItisQomolangma.DoyouknowSaharaisthebiggestdesertintheworld?Yes,itisabout9,
3、600,000squarekilometersinsize.SaharaTheCaspianSeaDoyouknowhowdeepthedeepestSaltlakeintheworldis?Yes,itis1,025metersdeep.ThelongestriverinAsia.TheYangtzeRiverDoyouknowthattheYangtzeRiveristhelongestriverinAsia?Yes,itis6,300kilometerslong.英语数字的读法：几十几中间用连字符几百几十几百位和十位用and连接过千的大数字三位
4、一逗一逗thousand二逗million三逗billion.1,234读作：onethousand,twohundredandthirty-four4,567,809读作：fourmillion,fivehundredandsixty-seventhousand,eighthundredandnine5,678,120,000读作：fivebillion,sixhundredandseventy-eightmillion,onehundredandtwentythousandWhoisthetallestinourclass?Mikeistheta
5、llestinourclass.Mikeistallerthananyotherstudentinourclass.Mikeistallerthananybodyelseinourclass.NostudentinourclassisastallasMike.theNiletheYangtzeRivertheYellowRiver6,6706,3005,500TheYellowRiverislong.TheYangtzeRiverisalot_______thantheYellowRiver.TheNileis____________ofall.lo
6、ngerthelongestMakesentencesusingtheinformationintheforms.ExerciseTheYangtzeRiverisnot____long____theNile.=TheYangtzeRiverisnot_______thantheNile.asaslongertheNiletheYangtzeRivertheYellowRiver6,6706,3005,500MountTaiishigh.MountHuangisalittle_______thanMountTai.Qomolangmais______
7、______ofall.MountTaiisnot___high___Qomolangma.=MountTaiisnot_______thanQomolangma.higherthehighestasashigherQomolangmaMountHuangMountTai8,8481,8641,545…8,844metershigh.…8,844米高…metershigh(long,wide…)……米高（长，宽……)。英语表示“有多长（宽，高……）”时，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。e.g.Thewallis1.7metresw
8、ide.Usetheinformationin1btomakeconversations1cA:Whatis
