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Unit3CarefortheEarth.学习目标：1.以学习Let‘slearn部分所列举的动词短语为主，要求学生能听说、读、写词汇：pickflowerscutdowntreestheearthmaketheai

rdirtywastewaterdriveacar，并熟练运用。2.引导学生完成PartClookandwrite部分的内容。学习重点：1.以学习Let‘slearn部分所列举的动词短语为主，要求学生能听说、读、写词汇：pickflowerscutdowntreestheearthmaket

heairdirtywastewaterdriveacar，并熟练运用。学习难点：引导学生完成PartClookandwrite部分的内容。教学过程：课前问答T:Hello,boysandgirls.Doyouliketraveling?Ss:Yes.T:

Well.IlikegoingtothemountaimBecausetheairisfreshandtheflowersarebeautiful.Whataboutyou?S1:Ilikegoingtotheriver.Icanswimthere.S2:Ilikegoingtot

heforest.Icandrawpicturesthere.T：Butsometimeswecanseealotoflittersthere（教师向学生出示所准备的一些垃圾的图片）．Ifeelsadaboutthat.Canwedothat?

Ss:No.T:Youareright!Wecan'tdothat.WecanthrowtheIitterintothetrashcan.Weshoulddosomethinggood.ii.PartAWarmin

g-up:Readandthink1.师引导学生观察图片并讨论。T：Lookatthepictures.Arethelittlebirdandthefishhappy?Why?Whathappened?Canyoureadandfindthe'r

eason?2.让学生读对话，找到答案并进行讨论。教师可引导学生说：Ss:Thebirdissadbecauseitlostitshoneandthefishissadbecausethewateri

sdirty.Ourhomeisbecomingworseandworse,soweshouldcareforourearth.T:Whatshouldwedo?Today,wewilllearnsomeactivitiesand

youcanseetheyarerightorwrong.II.课程展示活动和过程的设计i．新课展示PartALet'slearn1．学习短语pickflowers师出示所准备的一束花并与学生进行对话：T:Look.Whatarethese?Ss:Theyar

eflowers.T:Whatcolorarethey?Ss:Theyare?T:Inwhichseasonscanweseemanyflowers?Ss:Springandsummer.T:Well.Wec

anseemanybeautifulflowersinthegarden.1wanttopicksomeflowersandtakethemhome.CanIdothat?Ss:No.T:No.Wecan'tpickflowers.师板书并领

读短语pickflowers，注意纠正学生的错误读音。2．学习短语cutdowntrees师出示一次性筷子并与学生进行对话：T.Lookatthesechopsticks.Whatcanwedowiththem?Ss:Wecaneatwiththem.T:Well.Peopleoftenu

setheminourdailylife,butwherearetheyfiom?Ss:Theyarefromtrees.T：Yes.Treesarecutdowntomakechopsticks.Usually,

weusethem.Everyyear,peoplecutdownmanytrees.Doyouthinkitisright?Ss:No.T:Sowecan'tcutdowntoomanytrees.师板书并领读短语cutdowntrees，学生

边做动作边说短语。3．学习短语driveacar师假装摘花，问学生：WhatamIdoing?CanIpickflowers?然后问学生：Canwecutdownmanytrees?教师再做开车的样子，通过问

答，用不同的句式反复介绍短语：T:WhatamIdoing,canyouguess?I'mdriving.I'mdrivingacar.Icandriveacar.可连续和几个学生进行商答活动:T:Canyoudriveacar,S1?Canyousho

wushowtodriveacar?师板书并领读短语driveacar，要求学生边说短语边做动作。4．师借助图片教授maketheairdirty,wastewater，然后请学生分组读短语，教师可以引导学生发

现drive，make，waste三个词中的元音字母读音都符合“元音+辅音+不发音的字母e”结构，元音字母都读字母本身音。5．通过图片引导学生认读词汇theearth。6．师播放Let'slearn部分的录音，让学生模仿其语音语调跟读词汇。

ii.巩固活动师再次播放Let'slearn部分的录音，可注意在每个短语之后停顿几秒，让学生听音拼写词汇。Ⅲ．练习：i．看图抢读1.师先将学生分成若干组，然后出示所准备的短语卡片，让学生看图快速抢读出相应的短语。2.师也可以请每组派出一个代表出示卡片，其他成员抢读短语。

ii.句型转换：对不文明行为说“不”师说出_AI本单元的短语，学生听后判断认力是不文明行为，说：Pleasedon't?根据学生掌握情况，可添加一些类似于playsports，eathealthyfood等短语，学生若认为是文明符为，就说：Let'g?T：Wastewater.Ss:Plea

sedon'twastewater.T：Maketheairdirty.Ss:Pleasedon'tmaketheairdirty.T:Playsports.Ss:Let'splaysports.