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Unit3:Computers
PeriodOne
TheGeneralIdeaofThisPeriod:
ThisperiodincludesWarmingup,ReadingandComprehendingofUnit3.Itintroducesthe
historyanddevelopmentofcomputers.Fromthisperiodthestudentswilllearnmoreabout
computers.Meanwhiletheycanlearnsomereadingstrategiessuchasskimmingandscanning.
TeachingAims:
1.Trainthestudents5readingability.
2.Leamsomeusefulwordsandexpressions.
3.Learnmoreaboutcomputers.
TeachingImportantPoints:
l.Helpthestudentstounderstandthepassagebetter.
2.Leamhowtousesomeimportantwordsandphrasesinthispassage.
TeachingDifficultPoints:
l.Howtohelpthestudentsimprovetheirreadingabilityandunderstandthepassagebetter.
2.Learnhowtousesomeimportantwordsandphrasesinthispassage.
TeachingMethods:
1.Skimmingthepassagetogetthegeneralideaofthetext.
2.Scanningtogetthedetailsfromthepassage.
3.Explanationsandpracticetohelpthestudentsmastersomelanguagepoints.
4.Discussiontohelpthestudentsunderstandbetterwhatthey'velearnedandtousethe
knowledgethey'velearnedinthisperiod.
TeachingAids:
l.Ataperecorder.
2.Amultimedia.
TeachingProcedures:
Step1Warmingup
1.Greetingthestudentsasusual.
2.Introducethetopicofcomputers
Showthefivepictures(anabacus,ahugecomputer,acalculator,aPC,anotebook
computer)andgetthestudentsnametheminEnglish.Throughthistask,studentscanhavea
generalideaaboutwhattheyaregoingtolearn.Besides,studentsareexpectedtohaveadiscussion
aboutwhattheyhaveincommonwhilelookingatthem.Andtheyarerequiredtousethegiven
expressionsintheirdiscussiontoexpresstheirideas.
T:Boysandgirls,todayIamgoingtointroducesomemachinestoyou.Nowlet'sseewhether
youcannametheminEnglishcorrectly,andtalkaboutthem.Nowworktogetherwithyour
partnersandtrytofindoutwhattheyhaveincommon.
Twominuteslate,fivestudentsareaskedtotalkabouttheminclass.
Si:AnabacusisanoldcalculatingmachineusedinChinauntilnow.
S2:Ahugecomputerisbuilttosolvesomemathematicalproblems.But,inmyopinion,itis
toobig.
S3:Acalculatorisanewcalculatingmachinewhichcansolvealargenumbermathematical
problems.AndIthinkitisveryconvenienttocarryanduse,soweoftenuseit.
S4:APCisapersonalcomputer,whichcansolveallkindsofproblemsandiswidelyusedin
offices,schools,shops,athomes,etc.now.
S5:Anotebookcomputerisakindofusefulcomputerwhichcanbetakenconvenientlylikea
notebook.ButIthinkitistooexpensive.
T:Quitegood.ltseemsthatyouareallquitefamiliarwiththesemachines.Butcanyoutell
whattheyhaveincommon?Anyvolunteers?
Se:Letmetry.Ithinktheyallcalculatesomething.Theycandealwithsomemathsproblems.
S7:Ibelievethattheyareourgoodfriends.Withtheirhelpwecanfinishourworkquickly.
Sg:The21thcenturyisthecenturyofinformationtechnology.Asmiddleschoolstudents,we
shouldtrytolearnhowtousecomputers.
T:Well,youropinionsareallright.Indeed,thesemachinesallcancalculate
something.What\more,fromtheabacustothenotebookcomputer,thereisalongway.But
nowcomputershavealreadychangedourlivesgreatly.Butdoyouknowmoreabout
computersandcanyousaysomethingabouthowcomputershavechangedourlives.
Step2Pre-reading
Showthequestionsonthescreen.
T:Now,pleasehaveadiscussionfirst,andthenI'llasksomestudentstoreportyourwork.
Afterafewminutes.
T:Now,whowouldliketoanswerthefirstquestion?Volunteer!
S9:rilhaveatry.Iknowthatcomputershavedevelopedfromlargemachines.Theyhavebeen
madesmallerandsmaller,butworkfasterandfaster.!reallycan'timaginewhattheywillbe
likeandwhethertheycantaketheplaceofhumanbeingsinthefuture.
T:Yes,thisisreallyabigproblem.!thinkyouareallinterestedincomputers,youmaygoon
studyingcomputers,andperhapsonedayyouwilldesignyourowncomputersandbecome
themastersofcomputers.OK!Nextquestion!
Sio:Ithinkcomputershavechangedourlivesgreatly.Weusecomputerswidelyinourstudy,
inourwork.YouareusingthecomputertoteachusEnglish,aren'tyou?
Su:Inmyopinion,inthemodernsociety,usingthecomputersmeansgraspingatoolof
controllingtheworld.Wemaycommunicatewitheachotherfromaverylongdistance.Inshort,we
cannotlivefreelywithoutthem.
T:Iagreewithyou.Thecomputersarebecomingmoreandmoreimportantinourlives.But
learningmoreaboutcomputersisalsoimportant,isn'tit?OK,let'scometothereading
passage“WhoamI”.
Step3Reading
Taskl.Skimthepassageforthegeneralidea.
T:Boysandgirls,youwillbegiventwominutestoskimthepassageandtrytofindoutwho
"I"amandgetthegeneralideaofthispassage.
Aftertwominutes.
T:Timeisup.Whowouldliketotelluswho"I"amandgivethegeneralideaofthetextto
theclass?Vblunteer!
S12:Ofcourse,"I"amthecomputer.Thepassageismainlyaboutthehistoryand
developmentofcomputers.
S13:Thepassageisalsoabouttherelationshipofcomputersandhumans.
Task2.Scanforthedetails.
T:Boysandgirls,youwillbegiventwomoreminutestoscanthepassageandtrytofindout
theanswerstothefollowingquestions.Let9sseewhocanfindouttheanswersmostquickly
andcorrectly.
1.Wherewereyouin1642?
2.Whathappenedtoyouin1822?
3.Whatwereyoucalledin1936?
4.Whatdidyougetinthe1960s?
5.Whathappenedtoyouinthe1970s?
T:Haveyoufinished?
Su:Ihave.IwasinFranceasacalculatingmachinein1642.
In1822,IwasbuiltasanAnalyticalMachinebyCharlesBabbage.
Iwascalled“auniversalmachinein1936,asIcouldsolveanymathematicalproblem.
Inthe1960s,Iwasgivenafamilyconnectedbyanetwork,sothatIcouldshareinformation
withothersandwecouldtalktoeachother.
Inthe1970s,Iwasbroughtintopeople'shomes.
T:Youaresoquick-mindedthatinsuchashorttimeyoucouldfindoutalltheanswerstothe
questions.Yourmindreallyworkslikeacomputer!
Step4Comprehending
Task3.Fillinthetimelinetorememberthefacts.
T:Butcanyoumemorizefactslikeacomputer?!amafraidyoucannot.Butlet'stryto
rememberthefactsinthepassagebyfilinginthetimelineonPage19,which,Iamsure,willhelp
yourememberthefactseasily.
Suggestedanswers:
Timeline
1642:Thecomputerbeganasacalculatingmachine.
1822:TheAnalyticalMachinewasbuiltbyCharlesBabbage.
1936:AlanTuringwroteabooktodescribehowcomputerscouldbemade.
1960s:Computershadnewtransistorsandbecamesmaller.
1960s:Thefirstfamilyofcomputersconnectedtoeachother.
1970s:Computerswerebroughtintopeople'shomes.
Now:Computersconnectpeopleallovertheworldtogether.
T:Haveyoufinished?Ifso,pleasecheckyouranswersyourself.Umsureallofyouhavegot
themright.Nowyoucanretellthehistoryofcomputerseasilywiththehelpofthetimeline,can't
you?Pleasehaveatry,boysandgirls!
Step5Homework
1.Recitethekeysentences.
2.PrepareforLearningAboutLanguage.
3.Trytoretellthetextusingabout100words.
教学反思:
在尽量教好本学期教学内容的同时,我还给学生补充了很多课外知识,如:中国的名胜古迹、
中西方文化背景差异等,这一切不仅扩大了学生的知识面,而且提高了学生的学习积极性。
2013/11/22
Unit3:Computers
PeriodTwoLearningaboutLanguage
TheGeneralIdeaofThisPeriod:
Thisperiodincludesrevisionofthetext、learningaboutlanguage.Fromthisperiodthe
studentswilllearnhowtousesomeofthekeywordsandexpressionsinthetextanddosome
exercisesforconsolidation,andlearnhowtousethePresentPerfectPassiveVoice.
TeachingAims:
1.Helpthestudentstolearntousesomeusefulwordsandexpressions.
2.Enablethestudentstolearnhowtousethepresentperfectpassivevoice.
TeachingImportantPoint:
Theuseofthepresentperfectpassivevoice.
TeachingDifficultPoints:
HowtomastertheusagesofsomeimportantwordsandphrasesandthePresentPerfect
PassiveVoice.
TeachingMethods:
1.Task-basedlearning.
2.Cooperativelearning.
3.Explanationandpractice.
TeachingAids:
l.Ataperecorder.
2.Amultimedia.
TeachingProcedures:
Step1Revision
T:Boysandgirls,inlastperiodwelearnedsomethingaboutthehistoryanddevelopmentof
computers.Nowwhowouldliketoretellthetextwiththehelpofthesefigures?
Si:Letmetry.In1642,acalculatingmachinewasusedinFrance.Thenin1922,the
AnalyticalMachinewasmadebyCharlesBabbage.ltcouldfollowinstructionsfromcardswith
holes.In1936,AlanTuring,therealfatherofcomputers,wroteabooktodescribehowcomputers
couldbemadetoworkandbuilta“universalmachine“tosolveanymathematical
problem.Later,peoplediscoveredthecomputerhad^artificialintelligence^.Inthe1960s,the
computergothisnewtransistors.Itssizewastotallychangesatthattime.Andintheearly1960s,
thefirstfamilyofcomputerswereconnectedtoeachother.In1970s,computershavebroughtinto
people'shomes.Nowcomputershavebeenusedbybillionsofpeopletodealwithinformationand
communicatewitheachotheraroundtheworldbytheInternet.
T:Congratulations!You9vedoneverywell.Nowtrytodothesametoyourpartners,OK!
Step2WordsandExpressions
Task1
T:PleaseturntoPage19andfinishDiscoveringUsefulWordsandExpressions.Atfirst,look
atEx.1.Fromthereadingpassage,findthewordsandexpressionswiththefollowing
meanings.Now,tenstudentswillbeaskedtogivethewords.Whocan?Volunteers!
Checktheanswerstogether.
Task2.
T:Welldone.NowpleaselookatEx2.andcompletethepassagewithsomeofthewords
above.Payattentiontotheuseandtheformsofthosewords.
Thepossibleanswers:
networksothatwentbytotallytrulysimple-mindedAnywaydealwith
Task3
T:PleasefinishEx.3.LookatthesentencesonPage20.Ticktherightword.Thensomeofyou
willbeaskedtoreadthesentencesonebyone.
Thepossibleanswers:
l.LifetotallychangedwhenIwenttouniversity.
2.1wasamazedtofindthatIwonthecompetitiontodesignanewcomputer.
3.Thecompetitionwassoexcitingthatwecheeredallevening.
4.1wassoexcitedatthethoughtofmeetingYangLiweithatIcouldnotsleep.
5.RobotscanbeboughtsocheaplythatIgaveonetoeachofmyfriends.
6.Itwassounluckythatyoulostyourwatchattheconcert.
Task4
T:PleaseturntoPage56andlet'sfinishUsingWordsandExpressions.Firstlookat
Ex.1.Readthroughthewordsintheright-handboxbelow.Usesomeofthemtonameeachpartof
acomputerintheleft-handbox.Wehaveknownaboutcomputer.Butwhocangiveustheexact
names?
Thepossibleanswers:
1.floppydisc2.harddisc3.scanner4.modem5.CD-ROM6.monitor7.keyboard
8.printer
Task5
T:NowpleaselookatEx.2.Completethesentenceswithsomeofthewordsintheright-hand
boxabove.Youcanuseeachwordonlyonce.Firstdotheexerciseindividually,andthencheck
youranswerswithyourpartners.Andlastsevenstudentswillbeaskedtoreporttheiranswersto
theclass.
Thepossibleanswers:
l.Aprinterisamachineforprintingtextorpicturesontopaper,especiallyonceconnectedto
acomputer.
2.ACD-ROMordiskisthemaindevicethatacomputerusestostoreinformation.
3.Amonitorisusedtoseeyourdataonacomputer.
4.Akeyboardisusedtoputdataintoacomputer.
5.ACPUisoftenusedtoconnectcomputerstoeachotherthroughphonelines.
6.Datacanalsobestoredinafloppydisc,whichissmallandcanbecarriedeasily.
7.Aharddiscisadiscthatcontainscomputerdata.ltcanstorealargeamountofdata.
Step3Grammar一ThePresentPerfect
PassiveVoice
T:Boysandgirls,nowpleasepayattentiontothefollowingsentencesinthetext:
l.Astheyearshavegoneby,Ihavebeenmadesmallerandsmaller.
2.Sincethen,myfamilyandIhavebeenusedbybillionsofpeopletodealwithinformation
andcommunicatewitheachotheraroundtheworldbytheInternet.
3.1havetrulybeenbuilttoservethehumanracesincemybirth.
T:Whatverbtenseisusedinthesesentences?Andwhatverbvoiceisusedinthesesentences?
Yes,thepresentperfectpassivevoiceisusedinthesesentences.
Canyoutellusthestructureofthepresentperfectpassivevoice?
Quiteright.Thestructureofthepresentperfectpassivevoiceis“subject+have/hasbeen
done+object”.Thefunctionofpresentperfectpassivevoiceisindicatingverbs5thepresent
perfectandthepassivevoice.OK,let'spractisethepresentperfectpassivevoice.
Task1
T:PleaseturntoPage2O.Let'sfinishDiscoveringusefulstructures.
Atfirst,lookatEx.2.Accordingtoexamples,changethefollowingsentencesintothepresent
perfectpassivevoice.Puttheverbsintothecorrectform.
Suggestedanswers:
l.Anewpersonalcomputerhasbeenbought.
2.Manyproblemshavebeenfoundwithournewcomputer.
3.APChasbeenbuiltthewaywewanted.
4.OurcomputerhasjustjoinedtotheInternet.
5.Thecomputerhasbeenusedeverydaysinceweboughtit.
6.Alotofe-mailshavebeenwrittenonthecomputerinthelastyear.
Task2
T:Class,let'splayagamecalled“Whathasbeendecided”.Now,getintogroupsoffour.Ybur
taskistodecidewhatthingshavebeendecidedfortheclass.Taketurnstomaketheideasasinteresting
andlivelyasyoulike.YoumayfinishthemaccordingtoEXAMPLESonPage21,(orfinishEx.3after
class.)Thencollecttheonesyoualllikebestandbepreparedtotellthemtotheclass.
Suggestedanswers:
Si:Ithasbeendecidedthatthosewhoknowofthecomputerwillbeaskedtosaysomething
inclass.
S2:Ithasbeendecidedthatthosewhodidn'tcleantheblackboardwillbeaskedtocomeinto
officeafterschool.
Task3
T:Now,pleaseturntoPage57.Finishusingstructures.First,lookatEx.landchangethe
followingsentencesaccordingtothemodel,andpayattentiontothepassivevoiceform.Firstdo
theexerciseindividually,andthencheckyouranswerswithyourpartners.Afterthatwe'llcheck
theanswersinclass.
Step4Homework
T:OK,it'salmosttimeforabreak.NowlookatEx.2onPage57.Translatethefollowingsentences
intoEnglishafterclass.Thewordsandexpressionsinbracketsmayhelpyou.
2013/11/25
Unit3:Computers
PeriodThree-ExtensiveReading
TheGeneralIdeaofThisPeriod:
Thisperiodincludesrevisionofthetext,ReadingandspeakingonPage22、Readingtaskon
Page58.1nthisperiodthestudentswillbeinvolvedinaspeakingactivityaboutdesigningan
androidafterreadingthestoryofAndy,andlearnsomethingabouttheperformancesofasporting
robotofthe22ndcentury,HuaFeiin78thOlympicsand79thOlympics,sothatthestudentswill
notonlyimprovetheirreadingandspeaking,butalsotheircreativethinking.
TeachingAims:
l.Helpthestudentstolearnaboutthedifferentwaysofdesigningtherobotsandgivetheir
opinionstotheclass.
2.Enablethestudentstodiscusstodesigntheirownrobots.
Talkaboutthedifferentwaysofdesigningtherobots.
TeachingImportantandDifficultPoints:
Howtodesigntheirownrobotsandreporttheirdesigningtotheclass.
TeachingMethods:
1.Task-basedlearning.
2.Cooperativelearning.
TeachingAids:
l.Ataperecorder.
2.Amultimedia.
TeachingProcedures:
Step1Greetings
Step2Reading(1)
We'velearnedalotaboutcomputers,butcanyouimaginethatcomputerscouldbeputinto
androidsorrobots.Thinkofthefunyoucouldhave!Nowlet'sfirstreadthepassageaboutarobot
calledAndy一whatitlookslikeandwhatitcandoonPage22,andthenwe'Hhaveadesigning
competitiontoseewhowilldesignthebestrobots.
Thestudentsreadthepassageforseveralminutes.
T:Afewsimplequestionsforyou.WhatdoesAndylooklike?
Whatcanitdo?
S2:Andylookslikeahuman.ltisdesignedtoplayfootballgamesandcanmoveandthink
likeahuman.Andyisreallysmart.
T:Iagreewithyou.Areyoueagertodesignyoursmartrobots?Nowinsmallgroupsdiscuss
howtodesignyourownandroids,drawapictureofyourandroidsandwritedownyour
design.Youmayrefertothefollowingquestions:
1.Whatwouldyoulikeittolooklike?
2.Whataresomeofthethingsyouwouldlikeittodo?
3.Doyouwantittobelikeamanorawomanorneither?
4.Howmuchwoulditcost?
T:Anddon'tforgettousethefollowingexpressionsinyourdiscussion.
Ithinkthat
Inmyopinion...
Whatisyourreason?
Ihavedecidedthat...
Afterseveralminutes.
T:Now,Filcheckyourwork.Onefromeachgroupwillshowyourpictureoftheandroidyou
havedesignedandtelltheclassyourdesign.Andwe'llseewhichgrouphasdesignedthebest
android.Whowouldliketotryfirst?
S3:Lookhere.Thisisthepictureoftherobotwe'vedesigned.Whatdoesitlooklike?Yes,it
lookslikeadog.Wealllikedogsverymuch.Everymorningitwillwakeusupsothatwewillnot
belateforschool.Thenitwillcompanyustoschoolandcarryourheavybags.Youknowhow
heavyourbagsare!Intheevening,afterawholeday'shardwork,itwillplaybeautifulmusicto
helpusrelax.Maybeitwillcostatleast2000yuan,butwedon'tthinkitistooexpensivetohave
suchagoodfriend.
S4:WelLwe'dliketodesignourrobotinthisway.Wewouldlikeittolooklikethefamous
footballerBeckhamwhoservesasastrikeronthefootballteam.lthasthemostadvanced
program,soitcanmoveandthinklikeBeckham,andofcoursecanshootgoodgoalslikehim.We
wouldlikeittoenterthenextElectronicWorldCup,andwearesurethatitwillwinthecup!
T:Yourdesignsareveryunusualandsmart.!reallywanttogoonappreciatingyourdesigns,
buttimeislimited.Willyouputupyourpicturesoftherobotsyouhavedesignedwithinstructions
onthebackwall,andthendecidewhichgrouphasdesignedthebestandroidsaftercomparison?
Step3Reading(2)
Class,let'scometotheReadingTaskonPage58.Firstreadthepassagequicklyandthenfill
inthechartofExercise1andkeeparecordofhisperformancesofthesportingrobotofthe22nd
century,HuaFeiin78thOlympicsand79thOlympics.Afterdoingitindividually,pleasecheck
youranswerswithyourpartners,andthenwewillchecktheanswersinclass.
Suggestedanswers
RECORDCARDHUAFEI
AbilityHighflyingexercises
Performancein78thOlympicsWonderfulturns,dives,circlesanddances
PrizewonSilvermedal
Beganverywellbutfailedthroughonfaultof
Performancein79thOlympics
hisown
ReasonforfailureParachutefailedtoopen
TreatmentTwonewlegsandanewhead
Step4Homework
T:It'salmosttimeforabreak.Nowhomeworkforyoutoday.
1.Comparethedesignsoftheandroidsofeachgroupandtrytodecidewhichoneisthebest.
2.SupposeyouhavebeenluckyenoughtobeallowedtointerviewHuaFeiinhospitalforyour
schoolpaper.Workoutsomequestionstogetherwithyourpartner,andthenintervieweachother.
2013/11/27
Unit3:Computers
Period5Writing
TheGeneralIdeaofThisPeriod:
ThisperiodincludesspeakingandwritingonPage22andwritingonPage23.Thepurposeis
toencouragetheSstothinkandtalkcreativelyaboutcomputersandandroids,expresstheirown
opinionsusingwordsandexpressionsconcerningcomputersandandroids,andorganizetheir
ideasintoacomposition.
TeachingAims:
1.Enablethestudentstolearnhowtowriteareportabouttheirchoice.
2.Enablethestudentstolearnthewritingwayofexpressingideasandgivingreasonsto
supporttheideas.
TeachingImportantandDifficultPoint:
Howtomakeadecisionaboutwhichkindofcomputertobuyandexplainwhy.
TeachingMethods:
1.Task-basedlearning.
2.Cooperativelearning.
TeachingAids:
Aprojectorandmultimedia.
TeachingProcedures:
Step1Speakingandwriting(Page22)
T:Class,supposeyouandyourpartnerhavebeenaskedtohelpchoosecomputersforyour
school.Youhavelookedatseveralcomputers.Talkaboutthespecialthingseachcomputer
has.Makeadecisionaboutwhichkindofcomputertobuyandexplainwhy.Andthenyouare
goingtowriteareportaboutyourchoiceThereisalistofthingsyourcomputercouldhave.
AfastPCthemonitorissmaller
Improveddiscstorageusedrecycledmaterials
Internetaflatscreen
Studentstalkaboutthespecialthingseachcomputercando.
T:Somuchforthetalking.Andnowyouwillbegivenfiveminutestowriteareportabout
yourchoice.Afterthatsomeofyouwillbeaskedtopresentyourreporttotheclass.Inyourwriting
trytousethepresentperfectpassiveinyourreport.Youmaybeginyourreportlikethis:
Welookedatmanydifferentcomputers.TheonewehavechosenisthePEPpersonal
computer.Oneofthemainreasonsisthatitissuitableforschools.Wefoundoutthat...
Fiveminuteslater,severalstudentsbegintopresenttheirreportstotheclass,andtheteacher
willshowtwoorthreereportsusingtheprojectortofindoutandcorrectthepossiblemistakes
withtheclass.
Possibleversion
Welookedatmanydifferentcomputers.TheonewehavechosenisthePEPpersonal
computer.Oneofthemainreasonsis
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