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Unit1Howtallareyou?PartBLet'slearn(P7)CatchtheplaneHowtallareyou?I'm1.65metres.tallershorterolderIt'stallerthanbothofustogether.dinosaurThat'sthetallestdinosaurinthishall.youngerlonger更强壮的NewwordsYaoMingisstrong.strong强壮的Themanisstronger.strongerThemanisstrongerthanYaoMing.更小的Thedogissmall.small小的Therabbitissmaller.smallerTherabbitissmallerthanthedog.更大的Thebearisbig.big大的Theelephantisbigger.biggerTheelephantisbiggerthanthebear.更瘦的Thetigeristhin.thin瘦的Thedogisthinner.thinnerThedogisthinnerthanthetiger.更重的Thepigisheavy.heavy重的Theelephantisheavier.heavierTheelephantisheavierthanthepig.biggersmallerstrongerthinnerheavierbiggerstrongerthinnerheaviersmallerthinnerheavierbiggersmallerheavierthinnerstronger看图说一说！Howareyou?Iam.....metres.tall重点句型.heavy你体重多少？Iam.....kilograms.千克（重量单位）52twenty20Canyouread?fifteen15thirty30forty40fifty50sixty60seventy70eighty80ninety90Howheavyareyou?Iam.....kilograms....be...erthan....LiuXiangisthanYaoMing.YaoMingisthanLiuXiang.thinner140kg87kgYou'rethanme.heavierheavierKg=kilogram你比我重。Howheavyareyou?I'm46kilograms.Howaboutyou?I'm52kilograms.You'reheavierthanme.Yes,I'mheavierthanyou.John:Howheavyareyou,Jim?Jim:I'm52kilograms.John:You’reheavierthanme.Let'slearn你比我重。strongtallyoung说出下列形容词的比较级strongertalleryoungersmallbigthinheavysmallerbiggerthinnerheavier你发现规律了吗？知识小结形容词比较级规则变化一般情况直接在词尾加er。例如：tall—taller以字母e结尾的形容词在词尾加r。例如：nice—nicer以重读闭音节结尾，即（辅音+元音+辅音）字母结尾的单词，先双写最后的辅音字母再加er。例如：big—bigger以辅音字母加y结尾的词，先将y改为i，再加er。例如：happy—happier以上规则主要用于单音节和部分双音节形容词哦！summarybiggersmallerthinnerheavierstronger更大的更小的更瘦的更重的更强壮的Howheavyareyou?I'm....kilograms.