九年级英语上册Unit2《Topic2Alltheseproblemsareveryserious》SectionB教学设计仁爱版Themainactivityis1a.本课重点活动是1a。Ⅰ.Teachingaimsanddemands教学目标1.Learnsomenewwordsandphrases:sand,cutdown,changeinto,prevent,prevent…from,humanbeing,although,law,turnoff2.Learnsomeusefulsentences:(1)Icouldn’tseeanything,andmyfacehurtwhileIwaswalkingdownthestreetjustnow.(2)Passlawsagainstwaterpollution.(3)Remembertoturnthetapoffwhenyouleave.3.Continuetolearntheindefinitepronounandadverb.4.Learntotalkaboutpollutionanditsharm.Ⅱ.Teachingaids教具幻灯片/录音机/图片Ⅲ.Five-fingerTeachingPlan五指教学方案Step1Review第一步复习(时间:5分钟)通过方格游戏，来复习不定代词和不定副词的用法。(让同桌两人做一个3×3的方格，将上节课SectionA中2的10个不定代词(everyone和everybody任选其一)放入方格中。教师事先准备九道练习题，答案就是方格中的九个不定代词。教师将这些习题逐一呈现出来，同桌两人抢圈答案，谁抢到的多谁获胜。在此过程中，教师每呈现一题就要核对一次答案。)(供参考)(表格及习题如下：)noneothersomethingeveryoneeverybodynobodyanythingeverywhereanybodyothers(1)Noneofusknowshowtostopthebadbehavior.(2)Iknockedonthedoorbutnobodyanswered.(3)Someofthesebooksarebetterthanothers.(4)Shewasdrivingthecarwithonehandandwipingthewindowwiththeother.(5)It’sagoodcarbutIamlookingforsomethingfaster.(6)Youcan’tbelieveanythingshesays.(7)There’re5000peoplelivinghereandalmosteveryone/everybodyhashis/herowncar.(8)He’sclevererthananybodyIknow.(9)I’velookedeverywherebutIcan’tfindit.Step2Presentation第二步呈现(时间:15分钟)通过多媒体呈现1c中的图片，创造情景对话，呈现新单词和词组，学习1a。1.(呈现1c中的图片，学习新词汇。)T:Lookatthesepicturesthentellmeyourfeelings.FirstlookatPicture2.T:(指着第二幅图。)Isthescenerybeautiful?Ss:Yes.T:OK.Let’slookatPicture4.Isitbeautiful?Ss:No.T:Whathashappenedtotheforest?Ss:Ithasgone.T:Yes.Peoplehavecutdowntoomanytrees.(板书并要求学生掌握。)cutdownT:PleaselookatPicture1.Alotofearthhasbeenwashedaway.Why?Ss:Becausepeoplehavecutdown…(教师引导学生回答。)T:That’sright.Treescanpreventthewaterfromwashingtheearthaway.(板书并要求学生掌握。)prevent…from=stop…fromT:Let’slookatPicture3.Oh,mygoodness!Theforesthaschangedintodesert.(板书并要求学生掌握短语changeinto；理解desert。)changeintodesertT:PleaselookatPicture5.What’stheweatherlike?Ss:It’sbad.T:Yes.Thewindisblowingstronglywithlotsofsand.Wecallitsandstorm.(板书并要求学生掌握sand；了解sandstorm。)sandsandstormT:Iscuttingdowntreesgoodorbadforus?Ss:It’sbad.T:Yes.It’sharmfulnotonlytohumanbeings,butalsotoanimalsandplants.(板书并要求学生理解。)humanbeingT:Sowhatcanwedotoprotecttheenvironment?Discussingroupsoffour.(给学生两分钟，让他们讨论。)S1:Plantmoretrees.S2:Stopcuttingdowntrees.S3:…T:Goodidea.Althoughwehavedonealottoprotecttheenvironment,it’sstillnotenough.Let’sworkharder.(板书并要求学生掌握。)although2.(让学生小组讨论完成1c。)T:Doyouknowtherelationsbetweentrees,humanbeingsandsandstorms?Doyouknowhowsandstormscomeintobeing?Nowpleaselookatthepicturesin1candnumberthem.(核对答案。)3.(听1a录音回答问题。)T:Justnowwetalkedabouthowsandstormscomeintobeing.Nowlistento1a,andanswerthequestionsontheblackboard.(板书)(1)What’stheweatherliketoday?(2)Whatshouldwedotoprotecttheenvironment?(核对答案。)4.(让学生分成小组，读1a，提出不懂之处。小组内讨论，解决各自提出的问题；最后全班共同讨论，解决遗留问题。用此方式可以让学生充分参与到教学过程中来，进行自主探究学习，教...
