剑桥二级上册Unit9课件.ppt

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1、Unit9SallyistallerthanBendistance距离问路程远近BeijingQinhuangdao422kmWhatisthedistancefromBeijingtoQinhuangdao?It’s422km.=It’s422kilometres.单位的表达centimetres(厘米)=cmmetres=mkilometres=kmSquareKilometres平方公里HowfarisitfromGuangzhoutoBeijing?It’s2124kmfromGuangzhoutoBej

2、ing.Thedistanceis2124km.distance距离=whatisthedistancefromGuangzhoutoBeijing?问路程远近BaojiXianHowfarisitfromXiAntoBaoJi?WhatisthedistancefromXiantoBaoji?about180KmGuangzhouTowerGuangzhouZooHowfarisitfromGuangzhouTowertoGuangzhouZoo?WhatisthedistancefromGuangzhouTo

3、wertoGuangzhouZoo?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

4、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/badlyworse

5、farfarther/furtheroldolder/elderTheyellowRiverWhichriverislonger?TheChangjianRiverWhichcountryislarger?U.S.AAustraliavegetablespizzaWhichismoredelicious?Whichmountainishigher?FuJimountainHuangshanWhoismorepopular?BeckhamZhaoBenshan形容词原形比较级最高级smallsmallerthesm

6、allestfastfasterthefastestlonglongerthelongest____________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：

7、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，Part

8、2look,pointandsay.形容词的不规则变化组：形容词原形比较级最高级difficultmoredifficultthemostdifficultcarefulmorecarefulthemostcarefulinterestingmoreinterestingthemostinterestingexcitingmoreexcitingthemostexciti