How tall are you?Part B（ Let's learn & Match and say ）Unit 1Look and compareLily 1.5 mTom 1.65 mSue 11Jack 13A: How tall are you?B: I'm...metres.A: I'm...metres.I'm taller/shorter than you. A: How old are you?B: I'm...years old.A: I'm...years old.I'm older/younger than you.RevisionPresentationLet's learnJohn: How heavy are you,Jim? Tim: I'm 52 kilograms.John: You're heavier than me.Read,listen and answer.1.How heavy is Jim?2.Who is heavier,Jim or John?He is 52 kilograms.Jim is heavier than John.森林里要举办“动物之最”的评选活动，看看它们竞选时都说了什么吧 !I'm 120 kilograms.I'm heavy.I'm 210 kilograms.I'm heavier.The elephant is heavier than the bear.拓展：最高级 heaviest巧记： heavy 将 y变 i+er=heavierheavierheavierI'm thin.I'm thinner.Thinner,Thinner,the dog is thinner than the tiger.The girl is thinner than the woman.对应词： fatter 更胖的 巧记： thin （瘦的） +n+erthinnerthinnerI'm small.I'm smaller.smaller,smaller,the mouse is smaller than the dog.拓展：最高级 smallestThe apple is smaller than that one.smallersmaller巧记： small+er=smallerThe opposite of smaller is bigger.I'm bigger than the elephant.17 m 170 tons （吨）拓展：最高级 biggest 巧记： big+g+er=biggerThe ball is bigger than that one.biggerbiggerI'm strong.I'm stronger .短语： stronger and stronger 越来越强壮My brother is stronger than me.strongerstrongerLanguage points知识点 1 形容词或副词比较级的构成方法（ 1 ）一般在词尾加 er 或 est 。如： 原级比较级最高级tallstrongslowtallerstrongerslowertalleststrongestslowest（ 2 ）以重读闭音节结尾，且末尾只有一个辅音字母的词，应先双写这个辅音字母，再加 er 或 est. 如：原级比较级最高级bigthinfatbiggerthinnerfatterbiggestthinnestfattest（ 3 ）以辅音字母加 y 结尾的双音节词，先变 y 为 i, 再加 er 或 est 。 如：原级比较级最高级bigthinfatbiggerthinnerfatterbiggestthinnestfattest...
