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。教师把班中学生分为两组。然后出示写有already,yet,ever,never,just的卡片，要求学生以抢答形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.(教师让一学生复述SectionA3a内容，引出人口问题。)T:Whocanretell3ainSectionA?S1:Ican.(学生复述课文。)T:Welldone.Canyoutellmewhytheirlivingconditionsdidn’tseemtobeverygood,S1?S1:Becausethefamilymembersintheoldpictureweremorethanthoseinthenewpicture.T:Yes.Whatwillhappenifourcountryhasalargerpopulation?(由学生举手回答)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:Ithinkitisabout300million.T:Let’slookatthemultimedia.(看多媒体，展示1b中图表。)T:Hereisachartaboutsomecountries’population.LookattheU.S.A.TheU.S.A.hasapopulationof302million.Nowlookagain.TellmeIndonesia’sandBrazil’spopulation.S5:ThepopulationofIndonesiais245million.S6:Brazilhasapopulationof188million.T:Welldone.Wehaveknownsomecountries’population.What’sthepopulationoftheworld?S7:Idon’tknow.S8:Theworldhasapopulationof6.6billion.(要求学生掌握词组haveapopulationof。)T:Right.Thereare6.6billionpeopleintheworld.Andtheworld’spopulationisincreasingby80millioneveryyear.(教师板书单词increase，要求掌握increase，延伸讲解increaseby和increaseto的区别)increaseT:Lookatthechart,thepopulationindevelopingcountriesislargerthanthatindevelopedcountries.Ss:Soitis.(板书soitis，讲解“so+代词/名词+助动词/be动词/情态动词”结构，并和“so+助动词/be动词/情态动词+代词/名词”的结构进行区分。)T:Inordertosolvethepopulationproblem,whatpolicydoesChinacarryout?Ss:One-childpolicy.(教师放1a录音，让学生找出含数词的句子。)T:Openyourbooks.Listentothetapecarefullyandunderlinethesentencesincludingnumbers.(教师再播放一遍，让学生在含有数字的句子下面画线。)T:Lookatyourbooks.Payattentiontothesesentences.(板书句型，要求掌握。)—What’sthepopulationoftheU.S.A.?—It’s302million.(教师...
