1、英语初二上仁爱湘教版unit4ourworld教案英语初二上仁爱湘教版unit4ourworld教案. Teaching aims and demands教学目标1. Learn some useful words and expressions: robot, scientist, appear, take the place of, situation, in danger, repair, machine, mend, lazy2. Learn Object Clauses: be sure(1)Im sure robots can do some work faster and bet
2、ter than humans.(2)Are you sure?(3)Yes, Im sure/quite sure. / No，Im not sure.(4)Im sure robots will make humans lose their jobs.(5)Im sure robots can do dangerous work.(6)Do you think you will have a robot in 20 years?3. Talking about popular science and modern technology.4. Expressing certainty and
3、 uncertainty. Teaching aids教具.Five-fingerTeachingPlan五指教学方案Step1Review第一步复习时间：10分钟(教师拿一个带音乐、会跳舞的玩具机器人，和一个玩具汽车进行比较，复习形容词的比较级并逐渐导入新课。)T:Boysandgirls,look,whatarethese?Ss:Theyaretoys.T:Whichonedoyoulikebetter,therobotorthecar?(教师说时拿着机器人演示，让他们理解robot的意思同时在黑板上写robot，并领学生读。)(板书)Ss:Therobot.T:Verygood.OK,r
4、eadafterme.(领读后接着提问。)T:Whydoyouthinkso?S1:BecauseIthinktherobotismoreinterestingthanthecar.S2:Yes.Iagree.Ithinkitisthemostinterestingofallthetoys.T:Imquitesure.Infactrobotsaremachines.教师边说边在黑板上写machine，注意在此处用besure,初步让学生理解besure是表示确信的一种说法。Therearemanymoremachineslikerobots.Areyousure?(板书)S3:Yes,Imsu
5、re.(引导学生用Imsure来回答。)T:Then,wheredidthefirstrobotappear?(教师边说边写appear在黑板上，用invent提示它的含意。并举例让学生领会该词意思。)(板书)Thatistosaywhenthescientistsinventedthefirstrobot.T:Inthepast,wedonthaveacomputer.Butnow,wehave.Sowesaycomputerappeared.WhileIwaswalkingdownthestairs,Isawamouse.WecanalsosayamouseappearedwhileIwa
6、swalkingdownthestairs.Doyouunderstandthemeaningofthisword?(教师指appear。)Ss:Yes,“出现”.T:Wheredidthefirstrobotappear?S4:Idontknow.S5:Me,either.T:Itdoesntmatter,youcangototheScienceCentertofindouttheanswer.(学生回答什么答案都能够,关键是为了导入appear和theScienceCenter。)T:Manystudentsseemtolikerobots.Couldyoutellmewhatcanrob
7、otsdoforus?(学生的观点各异，教师可把1a的重点句式列在黑板上或多媒体上，让学生在讨论的过程中，既掌握了差不多的句型，又领会了生词的意思。)T:Pleasediscussthisquestionwithyourpartner.Theexpressionsontheblackboardcanhelpyou.Youcandoitjustlikeme.Forexample:(教师用黑板上的信息举一例子。).(学生明白划线的词或短语后，再举例。)T:Areyousurerobotsmaytaketheplaceofhumansinsomeworksituations?S6:Imsurethe
8、ycandothat.T:Cantheydolotsofdangerousworkinsteadofhumans?S7:Imnotsure.Maybetheycandothesethings.T:Doyouthinkrobotscandosomeworkbetterthanhumans?S8:Yes,Imquitesure.T:Whatelsecanrobotdoforus?S9:T:Verygood,pleasepracticewithyourpartner.(3分钟后，教师要求部分组像例子那样在班上表演，了解是否会用确信和不确信作答及对生词的掌握情况。)T:Excellent!Justno
9、wyoudiscussedwhatrobotscandoforus.NowIwanttoknowsomeinformationaboutrobots.Couldyouhelpme?Ss:Yes.Wewill.T:Mybikeisbroken.Itdoesntwork.Ihavetorepairit.T:Areyousurerobotscanrepairmybike?(边说边在黑板上写repair，引导学生理解其含意并会读，然后重述上一问题。)(板书)S10:Imnotsure.S11:Imquitesuretheycanrepairit.T:Imsureyouareright.Wecanals
10、osaytheycanmendit.(在黑板上写下mend和汉语意思。)(板书)Step2Presentation第二步呈现时间：10分钟1.T:Boysandgirls,weknowrobotsareveryusefultohumans.Butwhendidthescientistsinventthefirstrobot?(在黑板上写那个问题。)Whendidthescientistsinventthefirstrobot?Ss:Sorry,wedontknow.T:OK,letslistentothetapeandfindouttherightanswertothisquestion.2.
11、设置听的任务，听完回答。教师可在小黑板上提早设置好这些填空题，然后让学生听后填空，假设学生听一次写不完整，可多听两次或更多。教师通过检查答案，了解学生听的效果。3.核对答案后，让学生提问题，划出重点词句，解决学生的问题，并将关键词句板书到黑板上。T:Boysandgirls.Pleasereadthispassageandunderlinethekeywordsandsentences.教师依照学生情况，对关键词解释、造句等。T:Stophere.Step3Consolidation第三步巩固时间：7分钟1.T:Verygood,everystudentissoexcellent.Nowits
12、timetoreadthisdialog.先让学生自读，然后跟磁带读，核对语音、语调。T:Pleasereadthisdialogbyyourselvesandthenreadafterthetapetocheckyourpronunciationandintonation.2.人机对话，学生可读两遍，扮演两个角色。T:YoureKangkang.ListentoMariaandmakeadialogwithher.Go!3.呈现关键词，学生串演SectionA1a。T:Workinpairs.Practiceforalittlewhile.Thencloseyourbooks.Lookatt
13、hekeywordshereandactthedialogout.(学生在练习时，教师在教室中走动，纠正不正确的语音、语调和表演中出现的疑难点。)T:GroupA,canyouactoutthedialog?(学生只看关键词，不看课本对话。)T:Great!(依照情况，决定学生表演的组数。)4.完成1b。T:Justnowyoucanactoutthedialogverywell.Nowpleaselookat1b,canyouwritedowntherightanswersaccordingtothedialog？Ss:Yes.T:Areyousureyoucanwritedownthean
14、swerswithoutlookingatthedialog?S1:Yes.Imquitesure.S2:Well,Imnotsure.T:Atfirstpleasewritethemdown,thencheckthemaccordingtothedialog.(两分钟后，让学生自己检查。)T:Areyouranswersallcorrect?Ss:T:Ifyoursareallcorrect,pleasehandsup.(了解学生全对的人数和错一个或几个单词的人数，便于教师掌握学生学的情况。)Step4Practice第四步练习时间：10分钟1.让学生开始听2。T:Pleaselookatt
15、hepicturesin2forashortwhile,thenlistenandnumberthepictures.Areyouready?Go!(学生听一遍后，看学生全对的人数，假设全对的少，就再放一遍录音。)T:Stop!Ifyouareallright,pleasehandsup.T:Verygood.2.导入第三步Groupwork。T：Fromthelistening,weknowrobotscandomanygoodthings,butcanrobotsdobadthingsforus?PleaselookatPart3.Discussthegoodandbadthingstha
16、trobotscandoforusaccordingtotheinformationinPart3.Youcandoitlikethedialog,andyoucanexpressyourownopinions.(让学生在讨论的过程中自学生词lazy,培养他们的自学能力。3分钟后，教师让【一】两组学生表演他们的对话，了解他们对目标语言的使用情况。)T:Shallwestop?Whichgroupcanactoutyourdialog?(学生可能举手。)T:OK,youplease.(表演完毕，让他们填表格，并加上自己的观点，即写出更多的机器人能做的好情况和坏情况。然后在小组内讨论，最后各组派代
17、表在全班学生前发表意见。)T:Great!Nowpleaseaddyouropinionsanddiscussthemingroups,thenreportthemtotheclass.OK?Ss:OK.(学生讨论、发表意见之后，让他们写一段文字从正反两方面描述机器人，复习本节课所学的内容。)T:Now,canyoureportyouropinions?Ss:Yes,Imsure.(让学生自己报告。)T:Youareallexcellent!Areyousureyoucanwriteapassagetotalkabouttherobot?Ss:ImquitesureIcan.T:OK,plea
18、sebegin!(学生开始写，教师在教室中走动，指出学生写作中存在的问题，关心他们改正。)T:Stop!Whocanreadyourcompositiontous?(学生读，在读中再次练习本课目标语言和新词的用法。)Step5Project第五步综合探究活动时间:8分钟1.让学生讨论除了目前看到的拥有各种功能的机器人外，现代最需要具有什么功能的机器人，什么形状的，让他们画出来，先在小组内讨论，最后全班汇总，并把意见写给科学馆。T:Fromtheinformationabove,weknowmanykindsofrobots.Nowpleasediscusswhatkindsofrobotswe
19、needverymuch,andthendrawtherobots.Firstdiscussingroups.Thenreportyouropinionstotheclass.Atlastwritedowntheopinionsoftheclassandfinishyourdrawing.SendthemtotheScienceCenter.2.Homework:复习SectionA的生词和重要的句式。SectionBThemainactivitiesare1aand2a.本课重点活动是1a和2a。.Teachingaimsanddemands教学目标1.Learnthefollowingwo
20、rds:toward,planet,mistakefor,balloon,seem,seemto,callfor,wakeup,real2.ReviewObjectClausesbesureandPastContinuousTense.(1)ImquitesurethereareUFOs.(2)EvenscientistsarentsurewhetherthereareUFOs.(3)ImsuretherearenoUFOs.(4)Imnotsurewhether/ifrobotswillmakehumanslosetheirjobs.(5)AUFOflewovermyheadwhileIwa
21、swalkingtowardthebusstopyesterday.(6)Whilehewastryingtocallforhelp,analiencameoutoftheUFOandwokehimup.3.Talkaboutmoderntechnology.Expresscertaintyanduncertainty.Teachingaids教具录音机/小黑板/图片/多媒体.Five-fingerTeachingPlan五指教学方案Step1Review第一步复习时间：12分钟1.利用图片复习过去进行时和确信、不确信的表达方法。图片上显示的是过去的图片。如没有图片就直截了当显示有关键词和时间
22、的卡片。T:Iknowyouwereverybusyyesterday.Lucywasasbusyasyou.Lookatthesepicturesthenmakesentences.T:Nowlookatthefirstpicture.Youcansaylikethis:Lucywasgettingupat630yesterdaymorning.(让学生在下面思考2分钟，教师开始提问。)T:Forthesecond,howtoexpressit?Whocan?S1:Lucywashavingbreakfastat700yesterdaymorning.(在描述时，教师指出学生的对错，为下一步
23、进行对话打基础。)T:Verygood.Nextletsmakeupdialogsaccordingtothem.Forexample:T:WhatwasLucydoingat630yesterdaymorning?S2:Shewasgettingupatthistimeyesterday.T:Pleasepracticewithyourpartnerjustlikethis.(两分钟后，挑几组表演，了解学生对过去进行时掌握的情况。)2.在活动中进一步复习过去进行时和确信、不确信的说法。(把学生分成五人一组，其中一个人表演动作，另一个人描述，用上过去进行时的结构和表示过去的时间。另外三人猜时要
24、用上Imsure./Imquitesure./Imnotsure.练习之后以小组为单位在课前表演。每组派两个代表在全班学生面前一个表演动作一个向其他学生提问题，让其他组的学生来猜。提问正确，回答正确分别得一分，否那么都不得分。)T:Youalldidexcellently!Youcandescribethesepictures.ThencanyouguessyourclassmatesactionsoflastSunday?Ss:Yes.T:OK.Letsplayagame.Fivestudentsformagroup.Onestudentactsoutoneaction,theotheron
25、easksquestionsaboutit.Theothersguessthemeaningoftheaction.Youcandoitlikethis:(教师找一位学生帮忙，到全班学生面前做动作。)T:Whatwashedoingat900lastSunday?S3:Hewasswimming.T:Areyousure?S3:Yes,Imquitesure.T:转向做动作的同学Whatwereyoudoing?S4:Iwasswimming.T:Pleasemakeupsimilardialogwithyourpartner.Youhavetoexpresstheactionsusingth
26、ePastContinuousTenseandthetimeinthepast.(2分钟后，挑几组到全班学生面前表演，教师当裁判，记下各组的得分，得分多少以红旗的数目来计算。)T:Look!Whichgrouphasthehighestscore?Oh,G6isthewinner!Congratulations!3.教师从报纸、杂志或网上找一些UFO和外星人的图片，导入新课。T:Lookatthesepictures,doyouknowthem?Ss:Yes,theyare“不明飞行物”and“外星人”.(他们经常在电视或其他地方见过，但不一定明白英语如何说，教师同意他们这么说，然后再补充说明
27、。)T:Yes.Veryclever,theyareUFOsandaliens.(在黑板上写下这两个新词。)T:Readafterme.T:Yesterday,someonesaidtheysawtheUFOinthiscity.Listen!Areporterwasmakingasurveyaboutthiseventamongthepeople.(教师课前录制好此段录音。)R:WherewereyouwhentheUFOarrived?P1:Iwasathome.R:WhatwereyoudoingwhiletheUFOflyinginthesky?P2:Iwasshoppinginthe
28、street.R:AreyousurethereareUFOs?P2:Yes,Imquitesure.R:Whatdiditlooklike?P2:Itlookedlikeaplate.P3:Imnotsosure.Untilnow,eventhescientistsarentsurewhetherthereareUFOs.P4:IamsuretherearenoUFOs.Yousee,therearenolivingthingsonotherplanets.(在黑板上写下planet,让学生猜其意，然后教师给予解释。)T:Now,pleaselistenagain.(听后，让学生分组，一个人
29、扮演记者，其他人扮演被采访的人，假如有时间还可练习编写相似的对话。)T:OK,now,supposeyouarethereporter,howwillyouinterview?Pleasepracticesimilardialogswithyourpartners.Fivepeoplecanformagroup.(调查后让他们表演，练习本课的要紧语言项目并复习新词。)T:Shallwestop?OK,whichgroupcanactoutyourdialogforus?(依照学生情况，决定所提问的组数。)Step2Presentation第二步呈现时间：5分钟1.T:Justnow,youkn
30、owwhatyourclassmatesweredoing,butdoyouknowwhatJanewasdoingwhileaUFOflewoverherhead?Ss:No.T:OK.Letslistentothetapeandfindouttherightanswer.布置听的任务，听完回答。(把问题写在黑板上。)T:Stop!Whocananswerthequestion?S1:ShewaswalkingtowardthebusstopwhileaUFOflewoverherhead.T:Right.Listentothedialogagain,andthenfinish1b.Plea
31、sedoitbyyourselveswhilelistening.(假设听的效果不好，教师可再放一遍对话。)T:Ifyoufinish1b,pleasehandsup.2.划关键词。让学生跟读磁带，并划出重点词句。T:Welldone!Now,letsfollowthetapeandunderlinethekeywords.教师在黑板上列出关键词句。(询问学生对关键词、句是否有疑难，并核对自己的答案。)Step3Consolidation第三步巩固时间：8分钟1.学生自读对话，注意语音、语调。T:Pleasereadthedialogbyyourselvesagain.Payattentiontothepronunciationandintonation.2.学生跟读磁带，核对自己的语音、语
