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1、Unit1Howtallareyou?Lessontwo（PartALet’slearn/Let’splay）教学目标：（一）知识目标：1、使学生能听、说、读、写有关比较级的单词older、youngerbigger、longer、shorter、taller、stronger、heavier、thinner。2、知道than是比较的意思，than前面要用形容词比较级(v-er)。3、了解cm、kg分别表示长度和重量单位，并知道它们的读音，会回答句型：Howtallareyou?Howheavya
2、reyou?（二）能力目标：1、使学生初步掌握比较级的用法及句型。2、使学生知道形容词比较级变化的一般规律。3、使学生能在一定的情境中自觉运用所学新知识。（三）情感目标：培养学生分析观察能力，知道要关爱身边的人，爱父母要从生活中的小事做起。教具准备：图片、卷尺、实物。教学过程：Step1.Warm-up(revision)(1)Singasong.What’syourfavoriteseason?(2)Freetalk.a.What’syourfavoriteseason?Whichseasoni
3、sitnow?What’stheweatherlikeinwinter?Whichseasonisalwayshotandsunny?/warmandrainy?/coolandcloudy?/coldandsnowy?b.Whichseasoncanwemakeasnowman,winterorfall?Whichseasoncanwegoswimminginariver,winterorsummer?Whichseasoncanweflykites,winterorspring?Whichse
4、asoniscolder，summerorwinter?Whichiscolder,waterorice-cream?c.Icansay：cold--colderCanyousay?warm---warmer,cool---cooler,hot---hotter,old---older.Step2.Presentation(practice)shorter/longer的教学1.Lookatthedog,itlooksveryshort.Infactit’slong.Let’shavealook.
5、Oh,it’stoolong.It’sdifficultformetotakeit.Nowlet’smakeitshorterandshorter.Everybodyshouldsayshorter,shorter,shorter.ThenI’llletyouseeitcanbeshorterandshorter.2.Whichareshorter,theshortsorthepants?（出示图片）Who’sshorter,ZhangYiningorYaoMing?（出示图片）Howtallis
6、ZhangYining？She’s168cm.HowtallisYaoMing？He’s226cm.教学长度单位cm=centimeter3.Who’staller,ZhangYiningorYaoMing??Whichanimalistaller,thegiraffeorthedeer?4.Who’stallerthanyou?5.Howtallisit?（出示图片170cm,160cm,180cm,150cm）6.Howtallareyou?Comehere.Lineupfromshorter
7、totaller.Lineupfromtallertoshorter.Let’sdo:Shorter,shorter,shorter,makemyselfshorter.Taller,taller,taller,makemyselftaller.smaller/bigger的教学1.Howheavyisthewhitedog?Sheis5kg.2.Howheavyistheyellowandwhitedog?Sheis12kg.3.Who’sbigger,thewhiteoneortheyeiio
8、wone?4.35>12,sowecansaythewomanisolderthanthegirl.（出示图片）12＜35.Wecansaythegirlisyoungerthanthewoman.5.Nowlet’splayagame.Guess：HowheavyamI?Ifyournumberismorethanmyheight,Iwilltellyouolder.Ifyournumberislessthanmyage,Iwilltellyouyounger.Let’sseew
