http://cooco.net.cn永久免费在线组卷课件教案下载无需注册和点数http://cooco.net.cn永久免费在线组卷课件教案下载无需注册和点数九年级上仁爱版英Unit1Topic2WhatalargepopulationSectionB教学设计Themainactivitiesare1aand2a.本课重点活动是1a和2a。Ⅰ.Teachingaimsanddemands教学目标1.Learnthenewwordandexpression:increase,writedown2.Goonlearningthepresentperfecttenseandmastersomeusefulsentences:(1)—What’sthepopulationofChina?—It’s…(2)Itisincreasingby80millioneveryyear.(3)Whichcountryhasthelargestpopulation?(4)Soitis.(5)Thepopulationproblemismoreseriousindevelopingcountries.(6)Chinahasalreadycarriedouttheone-childpolicytocontrolthepopulation.3.Goonlearningthenumberswithmillion,billon.4.Makestudentsrealizetheseriouspopulationproblem.Ⅱ.Teachingaids教具录音机/多媒体课件/小黑板/世界人口示意图Ⅲ.Five-fingerTeachingPlan五指教学方案Step1Review第一步复习(时间:6分钟)1.(小竞赛。教师把班中先生分为两组。然后出示写有already,yet,ever,never,just的卡片，要求先生以抢答方式迅速说出含有卡片上词的句子，要求用现在完成时。迅速且正确者赢一分，高分组为获胜组。)T:Let’shaveacontesttoreviewthepresentperfecttense,OK?Ss:Great.T:First,I’lldividethewholeclassintotwoparts.ThenI’llshowthecardswith“already”,“yet”,“ever”,“never”and“just”onebyone.Yourteamwillgetascoreifyougivemeacorrectsentencewiththewordonthecard.Let’sgo!(教师出示写有already的卡片。)T:Already,please!Group1:Shehasalreadyfinishedherhomework.T:Congratulations.Yet,please!Group1:Ihaven’twateredtheflowersyet.T:Congratulations.Group1.Ever,please!Group2:HasyoursistereverbeentoTibet?…Step2Presentation第二步呈现(时间:16分钟)1.(教师让一先生复述SectionA3a内容，引出人口问题。)T:Whocanretell3ainSectionA?S1:Ican.(先生复述课文。)T:Welldone.Canyoutellmewhytheirlivingconditionsdidn’tseemtobeverygood,S1?S1:Becausethefamilymembersintheoldpictureweremorethanthoseinthenewpicture.T:Yes.Whatwillhappenifourcountryhasalargerpopulation?(由先生举手回答)S2:Itwillbehardtoimproveourlivingconditions.T:Now,what’sthepopulationofourcountry?S3:Chinahasapopulationof1.3billion.It’sthelargestpopulationintheworld.T:TheU.S.A.isthemostdevelopedcountry.What’sthepopulationoftheU.S.A.?(板书并讲解。)thedeveloped/developingcountryS3:It’sabout250million.S4:Ithinkitisabout300mi