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Unit9SallyistallerthanBendistance距离问路程远近BeijingQinhuangdao422kmWhatisthedistancefromBeijingtoQinhuangdao?It’s422km.=It’s422kilometres.单位的表达•centimetres(厘米)=cm•metres=m•kilometres=km•SquareKilometres平方公里HowfarisitfromGuangzhoutoBeijing?It’s2124kmfromGuangzhoutoBejing.Thedistanceis2124km.distance距离=whatisthedistancefromGuangzhoutoBeijing?问路程远近BaojiXianHowfarisitfromXiAntoBaoJi?WhatisthedistancefromXiantoBaoji?about180KmGuangzhouTowerGuangzhouZooHowfarisitfromGuangzhouTowertoGuangzhouZoo?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原级比较级good/wellbettermany/muchmorelittlelessill/bad/badlyworsefarfarther/furtheroldolder/elderTheyellowRiverWhichriverislonger?TheChangjianRiverWhichcountryislarger?U.S.AAustraliavegetablespizzaWhichismoredelicious?Whichmountainishigher?FuJimountainHuangshanWhoismorepopular?BeckhamZhaoBenshan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：thinhotsadOpenyourbookturntoPage51，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原级比较级最高级good/wellbetterbestmany/muchmoremostlittlelessleastill/bad/badlyworseworstfarfarther/furtherfarthest/furthestoldolder/elderoldest/eldest•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?5．Benjumps________(high)thansomeoftheboysinhisclass.6．DoesNancysing__________(well)thanHelen?Yes,shedoes.7．Myeyesare__________(big)thanhers.8．Whichis__________(heavy),theelephant,thechickorthepig?改错：1.I’mthanyou.2.Heisthanme.3.You’reinourschool.4.Whois,youorme?5.Sheisinherfamily.tallyounggershortestfatthinest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•ashappyasabird2•asredasanapple1•asquietasamouse3•aswhiteassnow4•ascoldasanice5•asbigasanelephant6•asblackasasheep7•asgreenasgrass8•assmallasapea9同等程度的比较•as…as和……一样•如：asoldas和…….年龄一样•astallas和……一样高•ascleveras和……一样聪明•Let’schantandsing.•Shorterthanthegiraffe.•Tallerthanthetiger.•Biggerthantheelephant.•Smallerthanthebird.•Youngerthanthemountain.•Olderthanthetree.•Slowerthantheplane.•Quickthanthejeep.Thankyou!