Topic2Chinahasthelargestpopulation.SectionAThemainactivitiesare1aand3a.本課重點活動是1a和3a。Ⅰ.Teachingaimsanddemands教學目標1.Learnsomenewwordsandphrases:yet,probably,callup,European,population,recent,becauseof,policy,neither2.Learnsomeusefulsentences: (1)SodoI. (2)Neitherdomyparents.3.Goonstudyingthepresentperfecttensewith“just”,“never”,“yet”,“ever”and“already”:(1)Ihavejustcalledyou.(2)I’veneverbeentherebefore,…(3)Haveyoufoundhimyet?(4)HaveyoueverbeentoFrance?(5)Chinahasdevelopedalotalready.4.TalkaboutthepopulationofChina.Ⅱ.Teachingaids教具超市購物圖/錄音機/多媒體課件/兩張全家福照片(舊與新)/小黑板Ⅲ.Five-fingerTeachingPlan五指教學方案Step1Review第一步復習(時間:5分鐘)創(chuàng)設真實情景，復習havebeento和havegoneto的用法，然后由“shoppingcenter”引出本課話題。1.(教師給出提示詞，并作示范問答，然后讓學生自由對話。)granny’shomebookstoreLucyLilyForexample:T: Hi,Lucy,Iwantedtogohikingwithyouandyoursister,Lilyyesterday.Youweren’tinwhenIcalledyou.Wherehaveyoubeen?Lucy:Ihavebeentoanoldgranny’shometocleanroomsforher.T: You’resokind,thenwhereisLily?Lucy:Shehasgonetothebookstore.(教師給出更多的提示詞，其中必須有“shoppingcenter”)S1:…S2:……2.(然后教師問學生Haveyoueverbeentoashoppingcenter?過渡到1a話題。)Step2Presentation第二步呈現(xiàn)(時間:12分鐘)1.(教師出示一張超市購物圖，通過詢問學生是否曾去購物，引入本課話題。)T: Lookatthispicture.Whatisit?Ss: Itisashoppingcenter/supermarket.T: (指向一位學生)Haveyoueverbeentoashoppingcenter/supermarket?S1: Yes,Ihave.T: Oh,youhaveeverbeenthere.But,haveyoueverbeentoashoppingcenter/supermarketwithyourparents?S1: No,Ihaven’t.Ihaveneverbeentherewiththem.(可幫助學生回答。)(板書并解釋ever,never，讓學生跟讀并掌握。)ever...ever...never…h(huán)ave/hashave/hasT:Ithinkmostofyouhaveeverbeentoashoppingcenter.Doyoulikegoingshopping,S2?S2:Yes,Ido.T: SodoI.ImeanthatIlikegoingshopping,too.Whataboutyou,S3?(找一名平時不太喜歡購物的同學來問。)S3: Idon’tlikegoingshopping.T: Neitherdoesmydaughter.Imeanthatmydaughterdoesn’tlikegoingshopping,either.Lastweek,mydaughterwentshoppingwithme.Thereweresomanypeopleinthestreetthatshegotlost.Ss: Didyoufindheratlast?T: Yes.MyhusbandcalledmeupwhenIwasworried.Hetoldmeshehadalreadygothome.(邊敘述邊板書上述畫線部分，教師作適當講解，并要求學生掌握neither。)SodoI.NeitherdoesMydaughter.have/hasalready+donesth.callupT:Moststudentsprobablylikegoingshopping.WhataboutKangkangandMaria?Doyouwanttoknow?OK,let’slearnaboutitfrom1a.(板書并要求學生掌握。)probably2.(聽1a錄音，找出康康和邁克爾在購物時發(fā)生了什么事。)T:Nowlet’slistentothetape,andfindoutwhathashappenedtoKangkangandMichael.(核對答案。)3.(讓學生讀1a，回答問題。)T: Nowpleasereadthedialogin1abyyourselves.Thenanswermyquestions.T:WherehasKangkangjustbeen?Ss:HehasjustbeentoashoppingcenterwithMichael.T:HasKangkangbeentherebefore?Ss:No,hehasneverbeentherebefore.T:Doeshewanttogothereagain?Ss:No,hedoesn’t.T:Now,Iwillaskoneofyoutogiveananswer.Whydoeshehatetogoshopping?(提問一個學生。)S4:Becausethereweretoomanypeople.Theygotlostandcouldn’tfindeachother.T:You’reright.HasKangkangfoundMichaelyet?(板書并講解yet在現(xiàn)在完成時的疑問句和否定句中的含義，要求學生掌握。)have/hasdonesth.yetS5:No,hehasn’t.T:WhereisMichael?S6:Hehasprobablygonehome.T:DoesMarialikegoingshopping,S7?S7:No,shedoesn’t.Shehatestogoshopping,too.Step3Consolidation第三步鞏固(時間:10分鐘)用表演、復述等形式來鞏固1a內容，然后通過對話練習鞏固含有just,already,yet,ever,never等詞的現(xiàn)在完成時，并完成1b和2。1.(再聽1a錄音并跟讀，然后完成1b，并核對答案。)T:Nowlistento1aagainandthenfollowit.Finish1bandthenchecktheanswers.2.(兩人一組，朗讀1a并表演。)T:Workinpairs.Read1aandactitout.3.(學生根據(jù)1a的重點，把對話改寫成一篇短文并復述。)T:MichaelandKangkanghavejustbeentoashoppingcenter.Kangkanghasneverbeentherebefore.Intheshoppingcenter,thereweretoomanypeople.Theygotlostandcouldn’tfindeachother.AndatlastKangkangthoughtthatMichaelhadprobablygonehome.Kangkangdoesn’twanttogoshoppingagain.4.(1)(讓學生獨立完成2，掌握just,already,yet,ever,never在現(xiàn)在完成時中的用法及含義。)T:I’veneverbeentoanyEuropeancountries.ButMichaelhasbeenthere.Doyouwanttoknowmoreabouthim?Pleasefinish2.Thenchecktheanswerstogether.(板書并要求學生掌握。)European(2)(完成2后，練習2并編一個相似對話，鞏固練習just,already,yet,ever,never等詞的用法。)T:Makeupasimilardialogwithjust,already,yet,ever,andnever.A:HaveyoubeentoEgypt?B:No,I’vebeentoanyAfricancountries.ButMikehascomebackfromEgypt.Helikesitverymuch.Hesayshehasseensuchabeautifulcountrybefore.A:Haveyouseenhim?B:Yes,Ihaveseenhim.Step4Practice第四步練習(時間:12分鐘)繼續(xù)談論Kangkang不愿意去購物中心的原因，引出并談論中國的人口變化，呈現(xiàn)3a中的生詞、短語和重點語言項目，然后完成3b，鞏固3a內容。T: WhydoesKangkanghatetogoshopping?Ss: Becausetherearetoomanypeople.T: S1: Three,myfather,mymotherandI.T: 1.(把事先準備好的兩張康康家的照片，用多媒體展示在大屏幕上。)(播放3a錄音，讓學生聽一遍課文。然后與學生一起討論，引出3a。)T: Nowlet’stalkaboutthetwopictures.T: HowmanypeoplearethereinPictureOne?Ss: Therearethree.T:Yes.It’sanicephoto.Kangkangwassocutethen.Isitabigfamily?Ss: No,itisn’t.T:Andit’sanuclearfamily.PleaselookatPictureTwo.Isitabigfamily?Ss: Yes,itisverybig.Andit’sanextendedfamily.T:Itseemsthattheirlivingconditionswerenotverygood.It’saphotoofKangkang’sfather’sfamily.Atthattime,mostfamiliesinourcountryhadatleastthreeorfourchildren.Chinahadthelargestpopulationintheworld.(教師板書Itseemsthat…，要求學生掌握此句型，并注意和seemto的轉換聯(lián)系。板書并要求學生掌握population。)populationseemto…Itseemsthat…T:Mostfamilieshaveonlyonechildnow.Doyouknowwhy?Ss:No,wedon’tknow.T:BecauseChinahascarriedoutone-childpolicytocontrolthepopulation.(板書并要求學生掌握。)policyT:(板書并要求學生掌握。)becauseof,recent2.(讓學生閱讀3a，畫出同3b中所給例句意思相似的句子，完成3b。)T:Read3aandunderlinethesentenceswhichhavesimilarmeaningsasthesentencesbelow.3.(讓學生聽3a錄音并跟讀。)T:Listento3aandfollowit.Step5Project第五步綜合探究活動(時間:6分鐘)給出一些有關人口的話題，讓學生分組討論，然后寫出一篇匯報或作文，盡量用上含有just,already,yet,never,ever等詞的現(xiàn)在完成時。讓學生盡可能多地了解我國的人口現(xiàn)狀，為下一課作準備。1.(教師用小黑板呈現(xiàn)本課出現(xiàn)的主要話題。)T:Pleasediscussthesetopics:（出示小黑板。）(1)Thepopulationproblem(2)One-childpolicy(3)LittleEmperors(學生自己選一個話題，兩人一組進行討論。討論完畢，選幾組做匯報。鼓勵學生發(fā)表自己的見解，尊重學生的個性發(fā)展，并體現(xiàn)激勵機制。)Example:Boysandgirls,2.Homework:(1)Chooseoneofthetopicsabove.Talkaboutitandwriteacomposition.(2)Makefivesentences.Usethepresentperfecttensewiththewords“just”,“already”,“yet”,“ever”,“never”. 板書設計：Chinahasthelargestpopulation.SectionAcallup ever+donesth.SodoI.have/has never+donesth.have/hasNeitherdomyparents. already just Have/Has…done…yet? Itseemsthat… Idon’tthink…SectionBThemainactivitiesare1aand2a.本課重點活動是1a和2a。Ⅰ.Teachingaimsanddemands教學目標1.Learnanewword:increase2.Learnsomeusefulsentences:(1)Itsaystheworldhasapopulationofbillion.(2)Itisincreasingby80millioneveryyear.(3)Whichcountryhasthelargestpopulation?(4)—What’sthepopulationofthe—It’s…(5)Soitis.(6)Thepopulationproblemismoreseriousindevelopingcountries.3.Goonlearningthepresentperfecttense.Chinahasalreadycarriedouttheone-childpolicytocontrolthepopulation.4.Goonlearningtoexpressthenumberswithmillionandbillion.5.Makestudentsrealizetheseriouspopulationproblemandhavesocialconscience.Ⅱ.Teachingaids教具卡片/多媒體課件/錄音機/世界人口示意圖/小黑板Ⅲ.Five-fingerTeachingPlan五指教學方案Step1Review第一步復習(時間:8分鐘)復習現(xiàn)在完成時，然后引導學生談論過去人們生活條件差的原因，引出人口問題，導入新課。1.(小競賽。教師把學生分為兩組。然后出示寫有already,yet,ever,never,just的卡片，要求學生以搶答形式迅速說出含有卡片上詞的句子，要求用現(xiàn)在完成時。迅速且正確者贏一分，評出獲勝組。)T:Let’shaveacontesttoreviewthepresentperfecttense,OK?Ss:Great.T:First,I’lldividethewholeclassintotwogroups.ThenI’llshowthecardswith“already”,“yet”,“ever”,“never”and“just”onebyone.Yourteamwillgetascoreifyougivemeacorrectsentencewiththewordonthecard.Let’sgo!(教師出示寫有already的卡片。)T:“Already”,please!Group1:Shehasalreadyfinishedherhomework.T:Congratulations.“Yet”,please!Group1:Ihaven’twateredtheflowersyet.T:Congratulations.Group2.“Ever”,please!Group2:HasyoursistereverbeentoTibet?…2.(教師讓一名學生復述SectionA中3a的內容，引出人口問題。)T:Whocanretell3ainSectionA?S1:Ican.(學生復述課文。)T: Welldone.Canyoutellmewhytheirlivingconditionsdidn’tseemtobeverygoodinthepast,S1?S1:Becausethefamilymembersinthepastweremorethanthosenowadays.S2: Becauseofthelargepopulation.S3: Chinawasnotwelldeveloped.T: Right.Butwhat’sthepopulationofChina,doyouknow?Let’slearnaboutitfrom1ainSectionB.Step2Presentation第二步呈現(xiàn)(時間:14分鐘)用多媒體呈現(xiàn)圖表，談論中國及世界人口，呈現(xiàn)1a中重點句型及部分生詞。1.(多媒體展示1b中圖表。)T: Hereisachartaboutsomecountries’population.What’sthepopulationofourcountry?Ss: It’sbillion.(可幫助學生回答。)(板書句型并要求學生掌握；理解billion。)—What’sthepopulationofChina?—It’sbillion.T: IsChinaadevelopingcountryoradevelopedcountry?Ss: Adevelopingcountry.(板書并講解。)thedeveloping/developedcountryT:Good.Nowpleasetalkaboutothercountries’populationinpairs.(教師可先做示范，然后讓學生進行練習。)S1: What’sthepopulationof…?S2: It’s…S1: Isitadevelopingcountryoradevelopedcountry?S2: It’sa…S3: billion.T: Right.Theworldhasapopulationofbillion.Andtheworld’spopulationisincreasingby80millioneveryyear.(板書單詞increase及短語hasapopulationof，并要求學生掌握，延伸講解increaseby和increaseto的區(qū)別。)hasapopulationofincreaseincreasebyincreasetoT: Lookatthechart,whichcountrieshavethelargerpopulation,thedevelopingcountriesorthedevelopedcountries?Ss: Thedevelopingcountries.Andthepopulationindevelopingcountriesisgrowingfaster.T: Soitis.(板書Soitis，講解“so+代詞/名詞+助動詞/be動詞/情態(tài)動詞”結構，并和“so+助動詞/be動詞/情態(tài)動詞+代詞/名詞”的結構進行區(qū)分。)Soitis.T: Inordertosolvethepopulationproblem,whatpolicydoesChinacarryout?Ss:One-childpolicy.T: Yes.Nowlet’slistento1aandlearnmoreaboutit.2.(教師放1a錄音，讓學生聽并盡可能地寫出對話中的有關數(shù)字。)T: Closeyourbooks,listentothetapeandtryyourbesttowritedownthenumbersyouhear.(教師再放錄音，讓學生核對寫的情況。)T: Openyourbooks.Listenagainandcheckwhatyouhavewritten.(讓學生朗讀1a，師生共同解決疑難點。)T: Read1aandpayattentiontothefollowingsentences.(教師板書并講解這三個句子，使學生加深對文章的理解。)(1)Anditisincreasingby80millioneveryyear.(2)Itshowsthatthepopulationindevelopingcountriesislargerthanthatindevelopedcountries,doesn’tit?(3)Chinahasalreadycarriedouttheone-childpolicytocontrolthepopulation.Step3Consolidation第三步鞏固(時間:8分鐘)容。1.(讓學生完成表格并進行鏈式問答。)T: Lookattheform.Thenfillitout.CountryChinaIndiathe核對答案。)T: Great.Ithinkyouallhavedonewell.(學生兩人一組進行問答練習。)S1: What’sthepopulationofChina?S2: It’sabout1.3billion.What’sthepopulationofIndia?S1:Itisabout1.1billion.Whataboutthe …2.(讓學生試著復述1a內容。)S3: Theworldhasapopulationofbillion.S4: Chinahasthelargestpopulation,withbillion.S5: Thepopulationindevelopingcountriesisgrowingfaster.…T:OK.Ithinkyouhavemasteredthedialog.Youcanpracticeitbyyourselvesafterclass.Step4Practice第四步練習(時間:10分鐘)通過復習千以內的數(shù)字，引出高位數(shù)字的讀法，完成2a，2b。1.(教師出示寫有數(shù)字的小黑板。)(板書)2183065366(教師由以前學的百、千引入百萬、十億。)S1: Twohundredandeighteen.S2: Threehundredandsix.S3:Fivethousand,threehundredandsixty-six.(教師總結數(shù)字的讀法，指出易出錯的地方并要求學生注意。)T:Now,lookatthesenumbers.Canyoureadthesenumbers?(板書)73654787360627198764501(教師先講解三位一劃分原則，再讓學生運用。給學生準備時間，然后提問。)S4:736547sevenhundredandthirty-sixthousand,fivehundredandforty-seven.(讓較好的學生總結數(shù)字的讀法。教師強調and,-,thousand放的位置，以及注意此處量詞不加“s”。)T: Now,Iwillasksomeotherstudentstoreadthenumbers.S5: 8736062eightmillion,sevenhundredandthirty-sixthousandandsixty-two.S6: 7198764501sevenbillion,onehundredandninety-eightmillion,sevenhundredandsixty-fourthousand,fivehundredandone.T: Youaregreat.Mostofyouhavemasteredhowtoreadthenumbers.Pleaselookatthenumbersin2a.Readthemtogether.2.(做游戲，鞏固數(shù)字的讀法。)T: Let’splayanumbergame.Iwillshowyousomenumbers.Readthemquicklyandcorrectlyingroups.(每個小組各選派三位學生，由教師統(tǒng)計分數(shù)，構建評分機制，激發(fā)學生興趣。)(板書)739850040600000017602018000676302320(教師在黑板上畫出計分表。)G1G2G3G43.T:Lookatthepicturesof2banddescribethem.(讓學生通過自己的猜測，用所學過的語言知識把圖片描述一下。教師可以先提問，復習高位數(shù)字的讀法并把新舊知識結合起來。)T:Yeah,verygood.Nowlet’slistentothetapeof2bandnumberthepicturesyouhearandwritedownyouranswers.Afterthat,let’schecktheanswers.S7: PictureF Thejacketcosts￥326.00.S8: PictureB It’sabout6575milesfromBeijingtoToronto.S9:PictureA Themountainis8844.43metershigh.S10:PictureE ThepopulationofChinawas1.3billionin2022.S11:PictureD IthinkthepopulationofCanadawasabout33millionin2022.S12:PictureC Thedinosaurlived210millionyearsago.(核對答案。)Step5Project第五步綜合探究活動(時間:5分鐘)讓學生討論中國現(xiàn)在和將來的人口狀況及可能出現(xiàn)的問題，鞏固高位數(shù)表達法，并根據(jù)討論內容寫一篇報告，為下一節(jié)課做準備。1.T:ThepopulationproblemisthebiggestoneinChina.Nowlet’sdiscussthequestion:WhataretheproblemsofChina’spopulation?(學生小組討論。)T: Whocantalkaboutthem?(學生可能要說的很多，但有些語言他們表達不清楚，教師加以引導，使他們盡量用簡潔的語言表達清楚。)S1:Thepopulationisstillincreasing.S2:Thepeopleinthecountrysidecan’tobeytheone-childpolicy.S3:Therearemoreandmoreoldpeopleinsomebigcities.T: Verygood.ButwhatdoyouthinkofthefutureofChina’spopulation?Pleasediscussit.(鼓勵學生表達自己的觀點。)S4:ThepopulationofChinawillbeaboutbillionin2050.S5:MaybeChinawillhaveapopulationofaboutbillionin2050.S6:MaybethepopulationofChinawillbecomesmallerthanbeforewiththehelpoftheone-childpolicy.(學生可能做出種種猜測。)2.Homework:WriteareportaboutthepopulationofChinainthefuture.板書設計：Chinahasthelargestpopulation.SectionBhave/hasapopulationof Itsaystheworldhasapopulationofbillion.increaseby —What’sthepopulationofthedeveloped/developingcountry —296million. Soitis.SectionCThemainactivityis1a.本課重點活動是1a。Ⅰ.Teachingaimsanddemands教學目標1.Learnsomenewwordsandphrases:difficulty,beshortof,sofar,takemeasurestodosth.,percent2.Learnsomeusefulsentences:(1)…andaboutonefifthofthepeopleintheworldliveinChina.(2)…ourgovernmenthastakenmanymeasurestocontrolthepopulation.(3)Thankstothepolicy,Chinaisdevelopingquicklyandpeople’slivingconditionsareimprovingrapidly.3.Talkabouttheproblemsthelargepopulationcauses:(1)It’sdifficultforlotsofpeopletofindjobs.(2)…,weareshortofenergyandwater.(3)Mostcitiesaremorecrowdedthanbefore,andthetrafficismuchheavier.4.Getstudentstoknowhowserioustheworld’spopulationproblemis.Ⅱ.Teachingaids教具多媒體/圖片/小黑板/錄音機Ⅲ.Five-fingerTeachingPlan五指教學方案Step1Review第一步復習(時間:8分鐘)教師出示一些數(shù)字和圖表，復習高位數(shù)表達法，導入新課。1.(用添加數(shù)字的方法復習高位數(shù)字，使學生由淺入深地掌握知識。操作方法：教師首先在黑板上寫出一個兩位數(shù)，然后逐次在前面加上一個數(shù)字，被提問的學生由基礎較差的向基礎較好的依次遞進。)T: I’llwritenumberslikethese“888888888,…8888888888”.Saythesenumbersasquicklyasyoucan,clear?Ss: Yes.T: 88.S1: Eighty-eight.T: 888.S2: Eighthundredandeighty-eight.T: 8888.S3: Eightthousand,eighthundredandeighty-eight.…T: 8888888888.S4: Eightbillion,eighthundredandeighty-eightmillion,eighthundredandeighty-eightthousand,eighthundredandeighty-eight.2.(通過多媒體展示世界各國人口圖表，復習SectionB中重要句型。)T: Youhavemasteredhowtosaythesenumbers.Nowlookatthechartandreviewwhatwe’velearnedinSectionB.What’sthepopulationoftheworld?Ss: Itissaidthattheworldhasapopulationofbillion.T: Whichcountryhasthelargestpopulation?Ss: Chinahasthelargestpopulation,withbillion.T: Istheworld’spopulationincreasingnow?Ss: Yes,theworld’spopulationisincreasingby80millioneveryyear.T: Itisreallyoneofthebiggestproblemstoday.Ithinkweshoulddosomethingtosolvethisproblem.Ss: Yes.Step2Presentation第二步呈現(xiàn)(時間:10分鐘)通過圖片，創(chuàng)設語言情景，呈現(xiàn)部分生詞、詞組及分數(shù)的表達法。1.(教師展示人才市場的圖片和事先準備好的小黑板，引出1a。)T:Boysandgirls,wehaveknowntheworldhasalargepopulation.Now,lookatthepictureandthestatementsaboutpopulation:（出示小黑板。）(1)Everyminuteabout261babiesarebornintheworld.(2)Theworld’spopulationisgrowingfasterandfaster.(3)Chinahasthelargestpopulationintheworld.(4)China’spopulationhasreachedonefifthoftheworld’spopulation.T: Whatdoyouthinkofthepictureandthestatements,boysandgirls?Ss: That’sterrible!T: Yes.Thegrowingpopulationwillcausemanydifficulties.Itwillinfluencethedevelopmentoftheworld’seconomy.Sofar,somefamiliesstillcan’toffertheirchildrenagoodeducation.(板書單詞difficulty，詞組sofar，要求學生掌握。)difficult(adj.)—difficulty(n.)—difficulties.)sofarT: Doyouwanttoknowotherproblemscausedbythelargepopulation?Ss: Sure.T: Weareshortofenergyandwater.NowChina’spopulationisonefifthoftheworld’spopulation.Itmeansitis20percentoftheworld’spopulation,soChinahastakensomemeasurestosolvetheproblem.Doyouknowwhattheyare?(板書onefifth，詳解并要求學生掌握分數(shù)表示法；掌握單詞percent，詞組beshortof,takemeasurestodosth.。)beshortofonefifthpercenttakemeasurestodosth.Ss: Oneisknownastheone-childpolicy.IthasworkedwellincontrollingChina’spopulation.T:Thankstothepolicy,Chinaisdevelopingquicklyandpeople’slivingconditionsareimprovingrapidly.(讓學生讀1a，然后回答1a中的兩個問題，完成1a。)Step3Consolidation第三步鞏固(時間:10分鐘)利用關鍵詞復述1a，并獨立完成1b，進一步了解中國所面臨的人口問題。1.(讓學生自讀1a并獨立完成1b，然后核對答案。)T:Let’slookat1b.DescribethedisadvantagesofChina’slargepopulationaccordingto1aandwritethemdown.Youhavetwominutes.(兩分鐘后，教師核對答案。)T: NowIwillaskseveralstudentstowritetheiranswersontheblackboard.S1: Lessspacetolivein.S2: Difficulttofindjobsforlotsofpeople.S3: Shortofenergyandwater.S4: Mostcitiesaremorecrowded.S5: Thetrafficisheavier.S6: Therewillbemuchmorepollution.S7: …T: Youranswersarewonderful.2.(學生閱讀1a的同時,教師把關鍵詞列在小黑板上。)T:Boysandgirls,pleaseread1aagainandthenretellitaccordingtothekeywordsonthesmallblackboard.(教師出示小黑板。)6.5million3billionhalfonefifthcausedifficultiestakemeasurestoworkwellinlivingconditionsseriousalongway(首先，教師根據(jù)小黑板上的關鍵詞復1a作示范，然后讓兩位同學復述。當學生表達錯誤時,教師給予糾正。當學生表達不出時,教師或其他同學給予幫助，提高學生口語復述能力。)Step4Practice第四步練習(時間:10分鐘)播放2a錄音，完成2b。進一步了解世界和中國人口狀況，強化練習現(xiàn)在完成時的用法。1.(教師拿出一張”地球上站滿人”的圖片或將圖片展示在多媒體上。讓學生仔細觀察,然后播放2a錄音。)T:(板書并要求學生了解。)newbornT:Now,lookatthetextbyyourselves.Let’slistentothetapeagainandchecktheanswers.(讓學生核對完后,一起齊讀短文。)T:Youhaveunderstoodthetext.Let’sdotheexercisesin2b.Thenwewillchecktheanswers.(給學生一分鐘,理解2b中的五個句子,讓一位學生回答。)2.(用現(xiàn)在完成時和重點詞組造句，復習含有just,ever,already,yet等詞的現(xiàn)在完成時的用法。)T: Makesomesentencesusingthepresentperfecttensewith“just”,“ever”,“already”,“yet”andsoon.Step5Project第五步綜合探究活動(時間:7分鐘)完成3，讓學生討論中國人口現(xiàn)狀，盡量運用現(xiàn)在完成時和高位數(shù)的表達法。學生給筆友寫一封信，然后根據(jù)表格內容寫一份有關世界不同城市生活狀況的調查報告。1.(讓學生寫一封信給他/她的筆友,談談他/她對中國人口問題的看法。寫的好的，可以讀一小段給同學聽。教師說明寫信時必須注意的事項。)T:Youhaveknownsomuchaboutthepopulation.Now,writealettertoyourpenpalaboutthepopulationprobleminChina.Thequestionsin3mayhelpyou,thenIwillasksomestudentstoshowtheiropinions.2.Homework:ontheInternet.CityPopulationRoadLivingconditionBeijingTokyoTorontoNewYorkYourcity板書設計：Chinahasthelargestpopulation.SectionCbeshortof onefifthsofar difficult(adj.)-difficulty(n.)-difficulties.)takemeasurestodosth. Thankstothepolicy,…SectionDThemainactivitiesare1aand3.本課重點活動是1a和3。Ⅰ.Teachingaimsanddemands教學目標1.Learnsomenewwordsandphrases:2.Reviewsomeusefulsentences.3.(1)have/hasbeento…(2)have/hasgoneto…Ⅱ.Teachingaids教具實物投影儀/錄音機/幻燈片/3中的三幅圖片Ⅲ.Five-fingerTeachingPlan五指教學方案Step1Review第一步復習(時間:8分鐘)通過檢查學生的家庭作業(yè)來復習有關的人口問題，并對學生習作進行總結和拓展，導入新課。1.(教師在實物投影儀上展示SectionC中3的學生習作，復習上節(jié)課內容。)Chinahasthelargestpopulationintheworld.Thereareabout900millionpeoplelivinginthecountryside.Thelargepopulationcausesmanyproblemstoday.Forexample,weareshortofenergyandwater.Mostofthecitiesaremorecrowdedthanbefore,andthetrafficismuchheavier.Thelargepopulationhasbecomeaseriousproblem.Someparentsinlessdevelopedareaspreferboystogirls.Sotheydon’toffergirlsagoodeducation.Inordertogivepeoplecomfortablelives,China’sgovernmenthastakensomemeasurestocontrolthepopulation.Oneisknownastheone-childpolicy.Thankstothepolicy,Chinaisdevelopingquickly,andpeople’slivingconditionsareimprovingrapidly.Ourlivesarebecomingmoreandmorecomfortable.2.(繼續(xù)討論學生習作，為導入新課作準備。)T: Whatdifficultiesdoesthelargepopulationcauseinthecomposition?S1:Lessspacetolivein.S2:Heavytraffic.S3:Shortofenergyandwater.…Step2Presentation第二步呈現(xiàn)(時間:10分鐘)師生自由交流居住、生活情況，引出部分生詞和詞組，呈現(xiàn)1a。1.(就學生習作中談到的人口和生活質量問題展開討論，引出城鄉(xiāng)對比。)T: Doyoulikelivinginaplacewithalargepopulationorasmallone?Ss: Asmallone.Whataboutyou?T: Me,too.Iusedtoliveinasmallvillagewhichhadlessthan200people.Ithadlotsoftall,greentreesandclean,freshair.People’srelationswereveryfriendly.Myvillagewaslikeabigfamily.ButtheonlyshortcomingwasthatIcouldn’tgoshoppinginbigstoresunlessItravelledforacoupleofhours.(板書并要求學生掌握單詞relation和unless，詞組acoupleof。)relation,unless,acoupleofS1: Iheardlifeinthecitywascolourful.T: Right.Therearemanybigshoppingcentersandhugemarkets.Shoppingiseasyandpleasantthere.Andthepublictransportationisexcellent,too.Buses,taxisandsubwayscantakeyoutoanypartofthecityquickly.(板書并要求學生掌握market和excellent；了解transportation。)market,excellent,transportationSs: Great!Wewanttoliveinthecitynow.T: Butlifeinthecityisn’talwayseasy.Peoplehavetostudyandworkhardtokeepupwiththequickdevelopmentofmodernsociety.(板書并要求學生掌握。)keepupwith2.(聽1a錄音，然后回答問題。)T:Livinginthecountrysidehaslotsofadvantages,sodoeslivinginthecity.Listento1aandanswermyquestions.(幻燈片出示問題。)(1)WheredoSueandLiMinglive?(2)WhatarethedifferencesbetweenSue’slifeandLiMing’slife?(3)Howdotheyfeelabouttheirlivingconditions?(核對答案。)Step3Consolidation第三步鞏固(時間:10分鐘)教師出示關鍵詞，讓學生復述1a，完成1b。了解中國與加拿大不同的城鎮(zhèn)生活。1.(讀1a，填寫表格，完成1b。)T:Read1a,fillouttheformandfinish1b.ItemPopulationEnvironmentShoppingTransportationPeople’srelationSue’s/FairmontLiMing’s/Beijing2.(教師展示幻燈片，讓學生思考并復述1a。)T: Now,I’llgiveyoutwominutestoreadtheinformationontheslidesandthenretell1awiththekeywordsonthem.(幾組同學復述之后，教師點評。)T: Boysandgirls,ifyouareallowedtochoosetheplacewhereyoulive,doyouwanttoliveinaplacewithalargepopulationorasmallone?Ithinkyouhavedifferentchoices.Step4Practice第四步練習(時間:10分鐘)結合師生的生活實際，創(chuàng)設語言情