仁爱版八年级上Unit4OurWorldTopic2AreyousurethereareUFOs?SectionB教学设计
Themainactivitiesare1aand2.本课重点活动是1a和。
Ⅰ.Teachingaimsanddemands教学目标1.Learnsomenewwordsandphrases:
toward(s),plate,planet,information,mistake…for…,object,balloon,callfor,wake,wakeup,real
2.Learnsomeusefulsentences:
(1)Peopleoftenmistakesomeman-madeobjectssuchaskitesorballoonsforUFOs.
(2)Getup,oryou’llbelateforschool!
3.Goonlearninghowtoexpresscertaintyanduncertainty(besure/benotsure)andreviewthepastcontinuoustense:
(1)AUFOflewovermyheadwhileIwaswalkingtowardthebusstopyesterday.
(2)I’mquitesurethereareUFOs.
(3)I’mnotsosure.Evenscientistsaren’tsurewhetherthereareUFOs.
(4)I’mnotsurewhether/ifrobotswillmakehumanslosetheirjobs.
(5)Lastnight,whileJimwassleeping,hesawaUFOflyingoverhishead.
Ⅱ.Teachingaids教具实物/录音机/图片/小黑板Ⅲ.Five-fingerTeachingPlan五指教学方案Step1Review第一步复习(时间:8分钟)通过游戏复习对话，导入新知识。
1.(猜谜游戏：复习过去进行时和表示肯定与不肯定句式的用法。)
(把学生分成三人一组，一人在纸上写一个动作，让另外两位同学猜他在做什么，猜时要用上I’msure./I’mquitesure./I’mnotsure.练习之后，以小组为单位在台前表演。)
(教师找两位学生帮忙，做出示范。S1写出动作。)
T:WhatwasS1doingatthistimeyesterday?
S2:ShewaswatchingTV.
T:Areyousure?
S2:Yes,I’mquitesure.
S1:Yes,IwaswatchingTVatthattime.
(小组练习完之后，找几组学生表演。)
2.(检查作业：汇报搜集到的有关机器人和不明飞行物的信息。师生对话，引出生词，导入新课。)
(1)(检查作业。)
T:I’msureyousearchedfortheinformationaboutrobotsandUFOslastnight.Pleasegiveareportaboutthem.
(板书并要求学生了解。)
UFO
(2)(教师出示一些UFO的图片，导入新课。)
T:(出示图片)YouhaveknownmuchaboutrobotsandUFOs.Ihavesomepicturesaboutthemhere.Lookatthesepictures.Whatarethese?
Ss:TheyareUFOs.
T:WhatdotheUFOslooklike?
Ss:Theylooklikeplates.（帮助学生回答。）
(板书并要求学生掌握。)
plate
T:I’mnotsurewhetherthereareUFOs.AreyousurethereareUFOs,S3?
(板书并帮助学生理解表达不确定的句式。解释whether/if。)
I’mnotsurewhether/ifthereareUFOs.
S3:Yes,I’mquitesure.
T:Whataboutyou,S4?
S4:I’mnotsurewhetherthereareUFOs.
T:I’mnotsure,either.Idon’tknowwhethertherearelivingthingsonotherplanets.
(板书并要求学生掌握。)
planet
T:Theearthisaplanet.Mars(火星)isaplanet,too.Bothofthemareplanetsofthesun.
Step2Presentation第二步呈现(时间:5分钟)通过听录音和理解对话，使学生进一步学习表达确定和不确定的句式。
1.(设置听力任务，播放1a录音。)
T:MostofusarenotsurewhetherthereareUFOs.IstherereallyaUFO?Janeandherfriendsaretalkingaboutit.Nowlistento1aandanswerthefollowingquestion:WhatdidJaneseewhileshewaswalkingtowardthebusstopyesterday?
(板书并要求学生掌握。)
toward(s)
(核对答案。)
2.(再次播放1a录音，让学生跟读，注意语音语调。)
T:Listentothetapeandfollow.Payattentiontothepronunciationandintonation.
Step3Consolidation第三步巩固(时间:12分钟)表演1a对话，完成1b和1c。巩固确定与不确定的表达方式。
1.(阅读1a，完成1b。)
T:SomestudentsaresurethereareUFOs,butsomearen’tsureaboutthis.WhataboutMichael,Kangkang,JaneandMaria?Read1aandfinish1b.
(核对答案。)
2.(根据1b表格，四人一组练习1a对话。)
T:Pleasepracticethedialogusingtheinformationin1b.ThenI’llletsomeofyouactitout.
(练习后，让几组学生表演。)
3.(用给出的句子编对话，完成1c。)
T:From1aweknowscientistsaren’tsurewhetherthereareUFOs.ButI’msuretherearerobots.Areyousure,S1?
S1:I’mquitesure.
T:I’msurerobotswillmakehumanslosetheirjobs.
S2:I’mnotsurewhetherrobotswillmakehumanslosetheirjobs.
T:Lookattheexamplein1c.Canyoumakesimilardialogsbyusingthesentencesinthebox?
(完成后核对答案。)
4.(小黑板出示练习题。)
(两句合成一句)
(1)I’mnotsure.Willyoucomehere?
I’mnotsure____you____comehere.
(2)Peoplewanttoknow.ArethereUFOsinthesky?
Peoplewanttoknow____there____UFOsinthesky.
(3)Idon’tknow.Dorobotsaskforpayornot?
Idon’tknow____robots____forpayornot.
(核对答案。)
Step4Practice第四步练习(时间:12分钟)利用实物学习生词及词组，活跃课堂气氛。完成2，导入3a。
1.(利用实物，引出生词及词组，导入2。)
T:(拿出气球)What’sthisobject?
(板书，要求学生掌握。)
object
S1:It’saballoon.(帮助学生回答)
(板书并要求学生掌握。)
balloon
T:Yes,it’saballoon.ArethereUFOs?Nobodyissure.Infact,peopleoftenmistakekitesorballoonsforUFOs.
(板书并要求学生掌握。)
mistake…for…
T:ButwhyistheresomuchinformationaboutUFOs?Thereisapassageaboutit.Let’sgoandhavealooktogether.
(板书并要求学生掌握。)
information
2.(让学生读2短文，为短文选择合适的标题，并猜出man-made的词义。)
T:Nowpleasereadthepassagein2andcheckthebesttitleofthepassage.
(板书并要求学生理解。)
man-made
(核对答案。)
T:OK,nowareyousurethereareUFOs?S2,please.
S2:No,I’mnotsureifthereareUFOs.
T:Whydoyouthinkso?
S2:Becauseuntilnow,noonereallyknows.
…
3.(听2的录音跟读，标出关键词。)
T:Welldone.Nowlistentothetapeandfollow.Markthekeywords.
(小黑板出示关键词。)
say,seenUFOs,infact,information,mistake...for…,man-made,objects,suchas,kites,balloons,nobody,sure
(挑选学生复述。)
4.(师生对话，引出生词，导入3a。)
T:Fromthepassageabove,weknownobodyseemstohavereallyseenaUFO.Well,areyou
suretherearealiens?
(板书并要求学生了解。)
alien
S3:Yes,I’msuretherearealiens.
S4:No,I’mnotsurewhethertherearealiens.
T:OK!Lastnight,whileJimwassleeping,hesawaUFOflyingoverhishead.Tooursurprise,whilehewastryingtocallforhelp,hesawanalien.Whathappenedtohim?WhodidJimseeafterhewokeup?
(让学生读3a猜出生词词义并填空。)
T:Pleaseread3aandfillintheblanks.
(板书并要求学生掌握。)
callfor,wake,wakeup
(核对答案。)
5.(让学生再读3a，进行小组讨论，然后完成3b。)
T:Whowasthereal“alien”?Read3aagain.Discussinpairs,andfinish3b.
(板书并要求学生掌握。)
real
(核对答案。)
Step5Project第五步综合探究活动(时间:8分钟)作调查报告，进一步操练过去进行时和表达确定与不确定的句式，培养学生综合运用语言的能力。
1.(复习过去进行时。)
(让学生与他们的同桌讨论昨天晚上在不同的时间段各自在干什么。写下同桌的活动，然后写下他们自己的活动。)
T:Now,let’smakeasurvey.Askyourpartnerwhathe/shewasdoingatdifferenttimesyesterdayevening,thenfillhis/heranswersinthetableonthesmallblackboard.Andthenwritedownyourownanswers.
(出示小黑板。)
Time(yesterdayevening)
YourpartnerYou7:00
8:00
9:00
2.(做调查。)
(把学生分为10人一组，讨论以下问题，然后填表格。每组派代表向全班同学汇报，班长总结有多少人认为……，相信或不相信……。)
T:Workingroupsoften,talkaboutthefollowingquestions,thenfillinthetable.
(1)Doyouthinktherearepeopleonotherplanets?
(2)AreyousureUFOsarereal?
(3)Iftherearealiens,aretheyprobablyfriendlyorunfriendly?
(出示小黑板。)
Name
Statement
S1
Therearepeopleonotherplanets.
√
Therearenopeopleonotherplanets.
UFOsarereal.
√
UFOsarenotreal.
Aliensareprobablyfriendly.
Aliensareprobablyunfriendly.
√
3.Homework:
上网查询或查阅书报、杂志上有关外星人及不明飞行物的相关内容。充分发挥你的想象，编一个关于外星人和不明飞行物的对话或写一篇短文。(运用过去进行时句型和besure结构。)
板书设计：
AreyousurethereareUFOs?SectionBmistake…for…I’mquitesurethereareUFOs.
suchasI’mnotsosure.Evenscientistsaren’tsurewhetherthereareUFOs.
callforI’mnotsurewhether/ifrobotswillmakehumanslosetheirjobs.
wakeupAUFOflewovermyheadwhileIwaswalkingtowardthebusstopyesterday.
Peopleoftenmistakesomeman-madeobjectssuchaskitesorballoonsforUFOs.
Lastnight,whileJimwassleeping,hesawaUFOflyingoverhishead.
仁爱,设计,教学反思
