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Unit4OurWorldTopic1Plantsandanimalsareimportanttous.SectionCThemainactivitiesare1aand2a.本课重点活动是1a和2aⅠ.Teachingaimsanddemands教学目标
1.Learnsomenewwordsandphrases:coverearthsurfacethousandsofdarkforestcontrolwoodrubberprotectmainfactinfactmakeuplakeseaoceandroponearthholefillfill…with…digdeep
2.Learnsomeusefulsentences:1Waterisnecessaryforallplants.2Theycan’tliveatallwithoutwater.
3.Goonlearningcomparativeandsuperlativedegreesofadjectives:1Theplantsintheforestshelptomaketheairfresher.2Butnowrainforestsarebecomingsmallerandsmaller.3Watermakesupthelargestpartofthehumanbody.
4.Describenaturalresourcesandrealizetheimportanceofenvironmentprotection:1Theyalsohelptocontroltheclimate.2Rainforestsgiveuswoodrubberfruitmedicineandsoon.3Itisimportanttoalllivingthings.Wemustsaveeverydropofwater.Ⅱ.Teachingaids教具录音机/多媒体/小黑板/植树过程的图片Ⅲ.Five-fingerTeachingPlan五指教学方案Step1Review第一步复习时间:10分钟通过讨论对动植物的看法,复习形容词比较级和最高级形式,导入本课新词
1.师生互动示范,然后让学生表演对话,复习描述动物和植物T:HelloS1doyoulikeplantsoranimalsS1:Ilikeanimalsbetter.T:WhyS1:Becauseanimalsareourfriends.Theygiveusjoy.Theyareveryfriendlytous.T:Welldone!S2doyoulikeplantsoranimalsS2:Ilikeplantsbetter.T:WhyS2:Becauseplantsareveryimportanttous.Theyareuseful.T:NowclasspleasepracticethedialoglikethisOK学生两人一组练习对话然后找几组学生表演)
2.头脑风暴,引出新知识T:Nowpleasesaysomeanimalsandplantsasmanyasyoucan.Ss:…T:WherecanyouseeanimalsandplantsS3:Onthefarm.S4:Inthezoo.S5:Intheforest.教师帮助学生用英语说出forestT:Verygood.Inaforesttherearemanyanimalsandplants.Todaywe’regoingtolearnaspecialforest.Itoftenrainsanditisverywet.Itisarainforest.板书并要求学生掌握forest;了解rainforestforestrainforest教师通过多媒体展示热带雨林的图片,引出并学习生词及比较级+and+比较级的用法T:It’sapictureofrainforests.Theycover6%oftheearth’ssurface.Thousandsofanimalslivethere.It’salwaysdarkhotandwetinrainforests.Theycanhelptocontroltheclimate.Theygiveuswoodrubberfruitmedicineandsoon.Theyareveryimportanttousbuttheyarebecomingsmallerandsmallersowemustprotectthemwell.教师边说边用多媒体呈现短语及生词,并要求学生掌握;理解climate,同时帮助学生理解并掌握smallerandsmaller的用法coverearthsurfacethousandsofdarkcontrolclimatewoodrubbersmallerandsmallerprotect学生熟读单词后,再看图片并回答教师提出的问题T:WhataretheySs:Theyarerainforests.T:HowlargearetherainforestsSs:Theycover6%oftheearth’ssurface.T:What’sintherainforestsSs:Thousandsandthousandsofanimalslivethere.T:WhatcanwegetfromtherainforestsSs:Wecangetwoodfruitmedicinerubberandsoon.T:AretheyimportanttousSs:Yestheyare.T:WhatshouldwedothenSs:Weshouldprotectthemwell.T:Good!Ihoperainforestswillbecomelargerandlarger.DoyouwanttoknowmoreaboutrainforestsSs:Yes.T:Let’slearnSectionCtogether.Step2Presentation第二步呈现时间:8分钟听录音并阅读短文内容,培养学生的听力和阅读能力
1.听1a录音,了解课文内容并回答问题T:Moststudentswanttoknowmoreabouttherainforests.Pleaselistentothetapeandanswerthefollowingquestions:出示小黑板1Whatcover6%oftheearth’ssurface2Aretherethousandsofdifferentplantsandlotsoftreesinrainforests3Canrainforestshelptocontroltheclimate核对答案
2.教师播放1a录音,学生跟读两遍,注意语音语调,并画出关键词T:Readafterthetapetwice.Payattentiontothepronunciationandintonationandunderlinethekeywords.板书Paragraph1:cover6%—animals—livein—thousandsof—dark—wetParagraph2:important—lungs—helptomake—control—woodrubber…—smaller—protectStep3Consolidation第三步巩固时间:8分钟通过对短文的理解,完成1b、1c,并根据关键词对其进行复述培养学生综合运用语言的能力
1.阅读1a,完成1b教师让学生猜测句子中main的意思,板书并要求学生掌握mainT:Nowpleaseread1aandfinish1b.核对答案
2.再读1a,完成1cT:Read1aagainandwritedowntheimportanceofrainforests.核对答案T:ClasscanyougiveusyouranswerS1:Maketheairfresher.S2:Controltheclimate.S3:Giveuswoodrubberfruitmedicineandsoon.
3.根据黑板上的关键词,用接龙的形式复述短文Example:T:Nowpleaseretellthepassageonebyoneaccordingtothekeywords.S4:Rainforestscover6%oftheearth’ssurface.S5:Thousandsandthousandsofanimalsliveinrainforests.S6:…Step4Practice第四步练习时间:14分钟通过对四幅图片的描述,让学生认识到水是一种重要的资源,所有生物都离不开水培养学生节约用水的意识
1.师生对话,引出生词导入2aT:Rainforestsareveryimportanttous.WhatdoyouthinkofwaterSs:It’sveryimportanttoustoo.T:WhatdohumansneedwatertodoSs:Weneedwatertodrinktocookandtoclean.T:Yes.Infactwatermakesupthelargestpartofthehumanbody.板书并要求学生掌握factinfactmakeupT:Watercoversmostpartsoftheearth.It’sinriversseaslakesandoceans.板书并要求学生掌握sealakeoceanT:Allplantsandanimalsneedwaterthatistosaywaterisimportanttoalllivingthingssowemustsaveeverydropofwater.板书并要求学生掌握drop
2.学生读2a,独立完成2b教学onearth并要求学生掌握T:Thereismoreinformationin2a.Readitandfinish2b.核对答案
3.学生跟读2a短文,注意语音和语调并画出关键词T:Listento2aandfollow.Payattentiontothepronunciationandintonation.Underlinethekeywords.板书plantsneedisnecessaryforanimalsplentyoflivewithouthumansdrinkcookcleanmakesupwatercoverslakesriversseasoceanslivingthingssavedrop
4.让学生根据关键词复述短文T:Retellthetextusingthekeywordsontheblackboard.两分钟后选出几名学生到前面复述
5.通过完成3,使学生知道怎样植树,培养学生的环保意识1T:Weknowwaterisimportanttoalllivingthings.Treesareimportanttoustoo.Soweshouldplantmoretreestoimproveourenvironment.ThenhowtoplanttreesNowlookatthepicturesandmatchthemwiththesentencesin
3.教师用幻灯片出示事先准备好的植树过程的图片和3中的内容,让学生把图片与句子搭配同时让学生猜测句中holefillfill…with…digdeepeverything的意思板书并要求学生掌握holefillfill…with…digdeepeverything2让学生独立完成3核对答案Step5Project第五步综合探究活动时间:5分钟通过讨论水的重要性,使学生增强保护有限水资源的意识
1.讨论有关水的问题T:Justnowwetalkedabouttheimportanceofwater.Nextpleasediscussthefollowingquestionsaboutwateringroupsoffour.Theneachgroupgivesyouropinionsinthefrontoftheclassroom.出示小黑板1Arethereriversandlakesinyourhometown2IsthewatertheredirtyorcleanWhy3Whatshouldwedotokeepthewaterclean4Whatshouldwedotosaveeverydropofwater把学生分成四人一组,讨论这些问题,然后每组派一人汇报讨论结果
2.Homework:根据讨论结果,以WaterisOurLife为题写一篇短文板书设计:Plantsandanimalsareimportanttous.SectionCthousandsofButnowrainforestsarebecomingsmallerandsmaller…smallerandsmallerWaterisnecessaryforallplants.infactTheycan’tliveatallwithoutwater.makeupFilltheholewithearth.benecessaryforbeveryimportantto。