Unit 3 I'm more outgoing than my sister.Section A ( 1a - 1c )1a.Match each word with its opposite.tall loudlythin short hairlong hair heavyquitely short1b. Listen and number the pairs of twins 1-3 in the picture.132写出下列单词的比较级。high late tallhungry thirsty fuuny big hot wet little good/weel beautiful 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.shorterlongerheaviermore outgoing1C. Practice the conversations.A: That's Tara, isn't it?B: No, it isn't. It's Tina.Tina is taller than Tara. And she also sings more loudly than Tara. 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 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. doesn't C. isn't 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.
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