Unit3 Computers全单元教案.docx
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Unit3Computers全单元教案
Unit3Computers
Period1:
Listening&Speaking
GOALS:
1.Topractiselisteningcomprehension.
2.Topractisemakingdecisionsandreasoning
TEACHINGPROCEDURES:
Step1.revision
1.checkthehomeworkexercises.
1).Ithasbeenreportedthatchildrenwillbeofferedfreeeducation.
Ithasbeenreportedthatfreeeducationwillbeofferedtochildren.
2).Ithasbeensaidthatwewillbeofferedthelatestcomputersciencecoursebook.
Ithasbeenplannedthatthelatestcomputersciencecoursebookwillbeofferedtous.
3).IhavebeentoldbyPeterthatIwillbelenthisnotebookcomputerforaweek.
IhavebeentoldbyPeterthathisnotebookcomputerwillbelenttomeforaweek.
2.Question:
Whatcancomputersbeusedas?
Step2.Lead-in
Asweknow,scienceandtechnologyisdevelopingveryfastandcomputershavebecomesmallerandsmaller.Theyhavebeenusedinmanyfields.So,the21stcenturyisthecenturyofinformationtechnologyWhatdoesitmean?
Doesinformationtechnology/ITonlymeanthingslikecomputers?
Ofcausenot.Actually,itmeansmorethancomputers.ComputersarejustonekindofIT.WhatelsedoyouknowispartofIT?
(TV,radio,CD-ROM,DVD,books……)
Step3.Listening(SB)
1. Pre-listening:
WhatarethechangesbroughtbydifferentformsofIT?
Whataretheadvantagesanddisadvantagesofthem?
2.While-listening:
Gothroughthechartandmakesurethestudentslookatthechartbeforetheylistentothetape.(Thisistosharpentheirattentionandlistenfortheanswers.Thiswillalsohelpthemgetthegistofthetext.)ThenListentothetapeandfinishfillinginthechart.(Ifnecessary,playthetapeforseveraltimes.)
Say:
Afterlisteningtotheirtalk,weknowallkindsofIThavebothdisadvantagesandadvantages.Let’schecktheanswerstogether.
TypeofIT
Advantages
Disadvantages
TV
Youcanbothlistenandwatch.
Youcannotwritetofriends.
Web
Youcanfindinformation.
Itisveryexpensive.
Radio
YoucanlistentoEnglish.
Youcannotwatchafilm.
Book
Youcangetinformation.
Sometimesitisoutofdate.
3.Post-listening:
1)(pairwork):
decidewhichtypeofITisbestforyoutouserightnow.Makeyourchoiceandgiveyourreasonsbyusingthefollowingexpression_r_rs.
Ithinkthat….
Inmyopinion,….
Ibelievethat….
Iagreebecause….
Idisagreebecause….
I’vedecidedthat….
2)(groupwork):
Discussion:
Computersareusefulandhavebroughtuslotsofgoodthings,buttheyalsocausebadeffects.Whatattitudeshouldwehavetowardsthecomputer?
(Makegooduseofitbutnevergettrappedbyit.)
Step4.Speaking
1.Pre-speaking
Say:
Fromwhatwehavelearn,weshouldadmitthatcomputersandthewebhaveagreatinfluenceontheschooleducationaswellaspeople’slife.Ithascomeintopeople’severydaylifeandmanyfamiliesholdcomputersintheirhomes.Nowthereisataskforyou.
2.While-speaking
1)Situation:
Youhavebeenaskedbyyourparentstohelpchoosecomputersforyourhome.Youandyourfriendhavelookedatseveralcomputers.Talkaboutthespecialthingseachcomputercando.Makeadecisionaboutwhichkindofcomputertobuyandexplainwhy.
Informationinput:
Showstudentssomepicturesofdifferentcomputers(desktopcomputer&laptopcomputer&…)
Languageinput:
Usefulexpression_r_rs(Repeatittostrengthenstudents’abilityofuseit.)
Supportinganopinion
Challenginganopinion
Ithinkthat…,because…
Perhaps,butwhatif/about…?
First,…
Haveyouthoughtabout…?
Onereasonisthat…
Whatmakesyouthinkthat…?
Ithinkitisbetterbecause…
Idon’tlikeitbecause….
(Pairwork)Usetheexpression_r_rstosupportyouropinionorchallengingother’sopinions.
2)Oralreport:
(individualwork)
Doanoralreporttoyourfatherandstartyourreportlikethis:
Ilookedatmanydifferentcomputers.TheoneIhavechosenisthePEPpersonalcomputer.Oneofthemainreasonsisthatitissuitableforhomes.Ifoundthat…
3.Post-speaking
Conclusion—Whatusefulexpression_r_rdoweusetomakeadecisionandreason?
(Inthisway,theycanreviewandusethewordsandphrasesagain.)
Step5.Homework
Page22.writing:
Writeareportaboutyourchoiceandtrytousethepresentperfectpassivevoiceaswellastheusefulwordsandexpression_r_rsthathavebeenmentionedabove.inyourreport.
Period2:
Readingandspeaking&Writing
Goals:
1. LearnareadingpassagetolearnaboutafootballandroidcalledAndy.
2. Improvestudents’readingability.
3. Designanandroid.
4. Writeapassageabouttheproblemsthattheandroidmighthavewhilehe/sheisservingpeople.Teachingprocedures:
Step1:
Lead-in
Showthefirstpictureandtellthestudentsthatcomputerscouldbeputintoandroidsorrobots.Present“android”.
Tellthestudents:
Androidsarealwayswithus!
Thestudentsmaydisagree.ShowpicturesofAtomandDoraemon.Say:
theyareandroidswithmagicalpower.
Continuetoshowpicturesofnurserymaidandroidsandtellthestudentsandroidscanbemadetolookafterhumans.Thenask:
Butcanyouimagineandroidscanplayfootball?
Maybeyouarecuriousaboutit.Iwillshowyouavideothatandroidsplayfootball.
Letthestudentswatchthevideoandtellthem:
odayIwouldliketointroduceanandroidfamilymembertoyou.HisnameisAndy.Presentthereadingpassage’stopic:
Andy---theAndroid.
Step2:
Reading:
Letthestudentsreadthepassage.Carryoutthetasksbelow:
Task1:
Answerthequestionsbelow:
1.WhoisAndy?
Whatishegoodat?
(Heisanandroid.Andheisgoodatplayingfootball)
2.Whathelpshimtomoveandthinklikeahuman?
(Hiscomputerhelpshimtomoveandthinklikeahuman.)
3.WhatdoesAndythinkabouttheteamwhobeatthemlastyear?
Why?
(Shethinkstheteamcheatedbecausetheyhadanewkindofprogrammer,whichhadjustbeendevelopedbeforethecompetition.)
4.WhatdoestheprogrammerdotoAndy?
(Sheprogramsmewithallthepossiblemovesshehasseenwhilewatchinghumangames.)
Task2:
Fillintheblanks
Thestoryisaboutthe_____called____,whoisgoodat____________.Andhis__________makeshimthinkandmovelikea______.However,they_____inthe_________hostedintheUSA,becausetheotherteamhadanewkindof_______.Afterthat,hewillaskhisprogrammertoimprovehis_________and_______somenewmoves.
Task3:
Languagepoints:
1.Ithinkwecanworktogethertocreateevenbettersoftware.
even=much 用于强调比较的程度
2.Inaway,myprogrammerislikemycoach.
inaway 在某种程度上…
intheway 挡道,造成障碍
inthisway 用这种方法
Fillintheblank:
1).________itwasoneofourbiggestmistakes.
2).Youcanfinishyourwork .
3).Yourbikeis .Moveitaway.
3.Inthisway,Icanmakeupnewmoves.
makeup 编写,补上
4.Afterall,withthehelpofmycomputerbrainwhichneverforgetsanything,intelligenceiswhatI’mallabout.
afterall 毕竟
withthehelpofsb./sth. 在…的帮助之下=withone’s/sth’shelp
Step3Speaking
Tellthestudentsthatwealreadyhavemanydifferentkindsofandroidsinourdailylife.Show somepicturesofandroidsfordifferentpurposes---maid,adventureandwork.
Thensaytothestudents:
Let’sdesignanandroidofourown!
Thefollowingquestionsandexpression_r_rscanhelpyou:
*Whatwouldyoulikeittolooklike?
*Whataresomeofthethingsyouwouldlikeittodo?
*Doyouwantittobelikeamanorawoman,orneither?
*Howmuchwoulditcost?
......
Getthestudentstousethefollowingsentencesfordiscussion:
Ithinkthat… What’syourreason?
Inmyopinion… Ihavedecidedthat…
Sample:
A:
Whatwouldyoulikeyourandroidtolooklike?
B:
Inmyopinionitshouldlooklikeabird.
A:
Thatsoundsinteresting.Whatwillitdoforyou?
B:
Ithinkitcansingbeautifulsongsformedayandnight.
A:
Oh,yes!
Thatsoundsgood.Howmuchisit?
B:
Itdoesn’tcostmuchmoneybecauseIwillmakeitbymyself.
A:
Really?
!
Doyouwantittobeamanorwoman,orneither?
B:
IwantittobeabeautifulgirlnamedKelly.
A:
Pleaseshowittoussomeday.
B:
Oh,Nomoneynotalk.
Step4Pre-writing
Say:
Imaginewhatproblemsanddelightsthisandroidmighthavetodealwithwhileitisservingyou.Tryyourselfinsomeoneelse’sshoesisanimportantwayofunderstandinghowotherpeoplefeel.
Thendiscuss:
Youareanandroid.Youworkforafamilywithonechildwhoisveryspoiled.Theparentswantyoutodoeverythingforthem.Theparentsarenice,buttheyoftenaskyoutowatchovertheirchild.Howdoyoufeel?
Whatwouldyoudoifthechildaskedyoutodohis/herhomeworkforhim/her?
Wouldyouevertellthechild“no”?
Step5Writing
Say:
Writeapassageabouttheresultofyourdiscussion!
Itshouldcontain:
Whatdoyouhavetodo?
Whatisthechildlike?
Whatistheparents’requirementofthechild?
Whatdotheparentswantyoutodo?
Whatdoesthechildwantyoutodo?
Thenwhatwillyoudo?
Howdoyoufeel?
Samplewriting:
Helloeverybody,mynameisLiuYan.Iama321modelandroid.IworkfortheLifamily.MrandMrsLiworkveryhardtoo.MrLiisanarchitectanddesignsgreattallapartmentblocks.MrsLiisadoctorandhastolookaftermanypatients.IrememberalltheplansforMrLi'sprojectsandcantellMrsLiwhichdrugsarethebesttogiveanyparticularpatient.AndIalsolookaftertheirlibrary.Istoreallthebooksthattheyborrowfromtheirschoolorfriendsinmybrain.Ofcoursemybrainisaslargeasamountain,soworklikethatisnotroubletome.Ireallyeatbooksjustlikepeopleeatfood.
TheLishaveachildwhoisveryspoiled.Heneedsmetorememberall hisschooltextbookssotha