1、Unit 3 Im more outgoing than my sister.Section A(1a-1c),1a.Match each word with its opposite.,tall loudlythin short hairlong hair heavyquitely short,1b.Listen and number the pairs of twins 1-3 in the picture.,1,3,2,小结训练,写出下列单词的比较级。high late tallhungry thirsty fuuny big hot wet little good/weel beaut
2、iful interesting,higher later tallerhungrier thirstier funnierbigger hotter wetter less bettermore beautiful more interesting,用所给词的适当形式填空。My father has _(short)hair than my mother.My mother has _(long)hair than my father.But my father is _(heavy)than my mother and _(outgoing)than her.,shorter,longer
3、,heavier,more outgoing,1C.Practice the conversations.,A:Thats Tara,isnt it?B:No,it isnt.Its Tina.Tina is taller than Tara.And she also sings more loudly than Tara.,问题探究,1.形容词和副词比较级的构成1）hard harder great greater2）late later nice nicer3）big bigger fat fatter4）easy easier happy happier5）beautiful more
4、beautiful interesting more interesting6）good better many more,一般情况在词尾直接加 er；以字母 e 结尾的只加 r；重读闭音节词尾只有一个辅音字母时，先双写该辅音字母，再加 er；以辅音字母+y 结尾的先变 y 为 i 再加 er；在多音节和部分双音节词的前加 more（更多）或 less（较少）；此外还有一些不规则变化的单词，需要我们特殊背诵。,2.比较级的用法1）我比 Lily 瘦。I am thinner than Lily.2）我跑得比 Tom 快。I run faster than Tom.,当两种物体之间相互比较时，我们要用形容词或副词的比较级，“A+be+形容词比较级+than+B”意为“A 比 B 更.,()3.Lily is a good student,_ she?A.is B.doesnt C.isnt D.does,答案选C。本题考查反义疑问句，本题前面部分是肯定陈述句，所以要用否定简略疑问，并且前面是 be 动词，前后要保持一致，因此选C.,
