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第一课时（PartALet’slearn/Let’splay/Let’sstart/Let’ssing）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、younger、shorter、taller、stronger。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?Howheavyareyou?（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、钓鱼杆。教学过程：Step1.Warm-up(revision)(1)Singasong.What’syourfavoriteseason?(2)Freetalk.a.What’syourfavoriteseason?Whichseasonisitnow?What’stheweatherlikeinwinter?Whichseasonisalwayshotandsunny?/warmandrainy?/coolandcloudy?/coldandsnowy?b.Whichseasoncanwemakeasnowman,winterorfall?Whichseasoncanwegoswimminginariver,winterorsummer?Whichseasoncanweflykites,winterorspring?Whichseasoniscolder，summerorwinter?Whichiscolder,waterorice-cream?c.Icansay：cold--colderCanyousay?warm---warmer,cool---cooler,hot---hotter,old---older.Step2.Presentation(practice)older/younger的教学1.Howoldisthewoman?Sheis35.2.Howoldisthegirl?Sheis12.3.Who’solder,thewomanorthegirl?4.35>12,sowecansaythewomanisolderthanthegirl.（出示图片）12＜35.Wecansaythegirlisyoungerthanthewoman.5.Nowlet’splayagame.Guess：HowoldamI?Ifyournumberismorethanmyage,Iwilltellyouolder.Ifyournumberislessthanmyage,Iwilltellyouyounger.Let’sseewhocanguessquickly.6.HowoldamI?Guess,guess,guess. 7.It’smyturnnow.Youshouldaskmeandsayolderoryoungertohelpme.（出示图片）先请学生猜老师的年龄，假如学生猜出的年龄比老师的实际年龄大，老师就说older,older,假如比实际年龄小，老师就说younger,younger。然后由老师猜图片上小男孩的年龄，全班学生说older,younger来提示老师是否猜对。最后，由两位学生分别猜中年男人和老奶奶的年龄，全班学生通过说older,younger来提示。8.Who’syounger,theboyorthegirl?（出示图片）9.Let’sdo:Older,older,older,makemyselfolder.Younger,younger,younger,makemyselfyounger.Shorter,shorter,shorter,makemyselfshorter.shorter/taller的教学1.Lookatthefishingrod,itlooksveryshort.Infactit’slong.Let’shavealook.Oh,it’stoolong.It’sdifficultformetotakeit.Nowlet’smakeitshorterandshorter.Everybodyshouldsayshorter,shorter,shorter.ThenI’llletyouseeitcanbeshorterandshorter.（出示钓鱼杆）2.Whichareshorter,theshortsorthepants?（出示图片）Who’sshorter,ZhangYiningorYaoMing?（出示图片）HowtallisZhangYining？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.Lineupfromshortertotaller.Lineupfromtallertoshorter.Let’sdo:Shorter,shorter,shorter,makemyselfshorter.Taller,taller,taller,makemyselftaller.stronger的教学1.Youlookstrongandtall.Icandoit.Canyoudoit?（老师拉着拉力器说）2.Yes,Ican.（请两个学生分别做）3.Youlookasstrongasme.Butwhoisstronger,youorI?Now,let’splayanothergame.IfyouthinkI’mstrongerthanher,pleasecomehere.Ifyouthinksheisstrongerthanme,pleasegothere.Everybodyshouldsaystronger,stronger.Ready,go.4.Who’sstronger,sheorI?5.Whichanimalisstronger,thetigerortheelephant?（出示图片）Isacatstrongerthanamouse?Icansayabearisstrongerthanasquirrel.Whocansaylikeme?6.Whichanimalisstronger,thecockortheant?Howheavyisthecock?It’sabout3kg.教学重量单位的读音(Goodtoknow).7.Let’splay.IfI’mright,followme.IfI’mwrong,justdoit.（两手臂交叉）6.Singasong.（自编歌曲，边表演边唱） Step3.Tasktime(Consolidation)1.Thenewyeariscoming.Weareolderthanthelastyear,wearetallerthanthelastyear.Wearestrongerthanthelastyear.Look,出示表格：NameAgeHeightWeightI27161cm54kgMyfriend25158cm52kg2.Fromtheformabove,canyousaysomethingaboutmyfriendandme?________isoldthan______,________isyoungerthan________________istallerthan_____,_______isshorterthan_______________isstrongerthan________3.Canyousaysomethingaboutyouandyourbestfriend?Step4.Homework(extension)IthinkeveryfatherandeverymothercanremembertheirChildren’sbirthday,height,weightandageclearly.Butsomeofthechildrenoftenforgettheseoftheirparents.Sotoday’shomework:1.Askyourparentsandfinishtheform.Thensaysomethingaboutyourparents.NameAgeHeightWeightFathercmkgMothercmkg_______isolderthan_______________istallerthan_______________isstrongerthan_________2.Rememberthesenumbersforever.Giveyourfatherormotherasurpriseontheirbirthdays.
