剑桥二级上册Unit9课件.ppt

Unit9SallyistallerthanBen,distance,距离,问路程远近,Beijing,Qinhuangdao,422km,WhatisthedistancefromBeijingtoQinhuangdao?,Its422km.=Its422kilometres.,单位的表达,centimetres(厘米)=cmmetres=mkilometres=kmSquareKilometres平方公里,HowfarisitfromGuangzhoutoBeijing?,Its2124kmfromGuangzhoutoBejing.,Thedistanceis2124km.,distance距离,=whatisthedistancefromGuangzhoutoBeijing?,问路程远近,Baoji,Xian,HowfarisitfromXiAntoBaoJi?,WhatisthedistancefromXiantoBaoji?,about180Km,GuangzhouTower,GuangzhouZoo,HowfarisitfromGuangzhouTowertoGuangzhouZoo?,WhatisthedistancefromGuangzhouTowertoGuangzhouZoo?,About60Km,形容词比较等级的含义：形容词有三个比较等级：1、原级，即原形2、比较级，表示“较”或“更一些”3、最高级，表示“最”。,形容词变比较级和最高级,规则变化,不规则变化,Jimistall.,LiuXiangistallerthanJim.,YaoMingisthetallestofthethree.,表示两者的比较时用比较级。如：LiuXiangistallerthanJim.“A+be(amisare)+形容词比较级+than+B”意思为“A比B更”。表示三者或三者以上中“最“时，用最高级。如：YaoMingisthetallestofthethree.“A+be(amisare)+the+形容词最高级+范围”意思为“A在范围内最”。,形容词的比较级的变化规则:,1.直接-er；2.-e结尾的词-r；3.辅音+y结尾的词,改-y为i再加-er；4.单元音+单辅音结尾的词，双写该辅音字母再加-er；5.不规则变化。,二、不规则形容词的比较级最高级,TheyellowRiver,Whichriverislonger?,TheChangjianRiver,Whichcountryislarger?,U.S.A,Australia,vegetables,pizza,Whichismoredelicious?,Whichmountainishigher?,FuJimountain,Huangshan,Whoismorepopular?,Beckham,ZhaoBenshan,形容词原形比较级最高级,smallsmallerthesmallestfastfasterthefastestlonglongerthelongest,_,_,以上得结论(1):形容词最高级单词以辅音结尾直接+est,且注意不可漏掉“the”,练习：youngcoldoldquickshortslowtallweakloudcleanstrong,形容词原形比较级最高级,happyhappierthehappiesteasyeasiertheeasiest,由以上得结论（3）：形容词最高级单词以y结尾，必须改”y”为”i”,在+est,注意不可漏掉“the”,练习：dirtylazyugly,形容词原形比较级最高级,latelaterthelatestlargelargerthelargest,_,_,由上得结论（2）：形容词最高级以e”结尾直接+“st”,不可漏掉the”.,练习:nicefine,形容词原形比较级最高级,bigbiggerthebiggestfatfatterthefattest,由以上得结论(4):形容词最高级单词以元音加辅音结尾，须双写辅音+est,注意不可漏掉“the”.,练习：thinhotsad,OpenyourbookturntoPage51，Part2look,pointandsay.,形容词的不规则变化组：,形容词原形比较级最高级,difficultmoredifficultthemostdifficultcarefulmorecarefulthemostcarefulinterestingmoreinterestingthemostinterestingexcitingmoreexcitingthemostexciting,形容词的不规则固定组：,形容词原形比较级最高级,goodbetterthebestbadworsetheworstlittle/fewlesstheleastmany/muchmorethemost,二、不规则形容词的比较级最高级,最高级规则变化口诀(finishpart5)最高级，要变化，一般词尾加est。词尾若有哑音e,直接加st就可以。重读闭音节，结尾的字母要双写。辅音字母若加y,记得把y变为i。部分双、多音节词前要加most。切记形容词最高级前要用the.,1.Tomis_(tall)thanJim.2.LiLeiisthe_(young)boyinhisclass.3.Whois_(thin),youorHelen?Helenis.4.Whosepencil-boxis_(big),yoursorhers?5Benjumps_(high)thansomeoftheboysinhisclass.6DoesNancysing_(well)thanHelen?Yes,shedoes.7Myeyesare_(big)thanhers.8Whichis_(heavy),theelephant,thechickorthepig?,taller,youngest,bigger,thinner,higher,bigger,better,theheaviest,改错：1.Imthanyou.2.Heisthanme.3.Youreinourschool.4.Whois,youorme?5.Sheisinherfamily.,tall,youngger,shortest,fat,thinest,taller,younger,theshortest,fatter,thethinnest,翻译句子1.我比你高。2.我的尺子比你的尺子长。3.我的书包比你的书包重。4.在我们家我的爸爸是最老的。5.在我们班我是最高的。,PART7,ashappyasabird2asredasanapple1asquietasamouse3aswhiteassnow4ascoldasanice5asbigasanelephant6asblackasasheep7asgreenasgrass8assmallasapea9,同等程度的比较,asas和一样如：asoldas和.年龄一样astallas和一样高ascleveras和一样聪明,Letschantandsing.,Shorterthant