一位优秀的教师不打无准备之仗,会提前做好准备,作为教师准备好教案是必不可少的一步。教案可以让学生们充分体会到学习的快乐,帮助教师缓解教学的压力,提高教学质量。优秀有创意的教案要怎样写呢?为了让您在使用时更加简单方便,下面是小编整理的“Unit3 Computers 教案”,希望能为您提供更多的参考。
ChapterComputer经验告诉我们,成功是留给有准备的人。作为教师准备好教案是必不可少的一步。教案可以让上课时的教学氛围非常活跃,让教师能够快速的解决各种教学问题。优秀有创意的教案要怎样写呢?以下是小编收集整理的“Unit 3 Computers教案”,仅供参考,希望能为您提供参考!
Unit3Computers
1.calculatevt.
(1)计算,核算
e.g.Thecommitteecalculatedthecostsverycarefully.
(2)估计
e.g.Icalculatewhatitwillcost.
(3)[美][口]以为;认为
e.g.Icalculateallofthemwillcomehere.
(4)打算或计划做某事
e.g.Thisadvertisementiscalculatedtoattracttheattentionofchildren.
Thelosshasnotyetbeen____accurately,butitisbelievedtobewellbeyondahundredmilliondollars.
A.calculatedB.considerC.completedD.controlled
2.comparev.&n.
(1)比较,对比
compareAwithB把A与B相比较compareAtoB把A比作B
(2)vi.与……类似、相似
comparewith/tosb./sth.比起某人、某物,与某人、某物相比
e.g.Thisschoolcompareswiththebestinthecountry.
(3)独一无二的东西,举世无双
e.g.adiamondbeyondcompare
comparenoteswithsb.与某人交换看法(或意见等)
3.universal
(1)全世界的,共同的,全体的
e.g.Agreementonthisissueisalmostuniversal.
(2)普遍存在的;广泛适用的
e.g.auniversalproblem
AlthoughIwasyoungIcouldsimplifydifficultsums.
although引导让步状语从句。
4.simplify
asimplifiedtext简易读本
5.sumn.&v.
(1)n.[C]总数,总和
e.g.Thesumoftwoandfiveisseven.
(2)n.[C]金额,钱数
e.g.Itwillcostanenormoussumtobuildthestadium.
(3)n.(pl.)算术题
e.g.TomisbetteratsumsthanIam.
(4)vt.&vi.共计
e.g.sumupthefigures
insum总而言之sumup总结,概括
6.before
(1)在……以前
e.g.HehadleftbeforeIarrived.
(2)……之后才……
常用结构:Itwillbe+时间+before+从句多久之后才……
Itwillbotbe+时间+before+从句没过多久就会……
e.g.Itwillbethreeyearsbeforewemeetagain.
(3)(不久)就;还没来得及……就……
常见结构:Itwas(wasn’t)+时间+before+从句
e.g.Itwasn’tlongbeforehereturnedfromabroad.
7.artificial
(1)人工的;人造的;假的
anartificialflower/limb
(2)人为的;非自然的
e.g.Aninterviewisaveryartificialsituation.
(3)虚假的;假装的
artificialemotion
8.intelligence智力,材质;消息,情报
e.g.Useyourintelligence.
secretintelligence
9.solve解答;解决
辨析:
易混词辨析例句
resolve表示决心;解决困难;分解等。Theconflictwasresolved.
solve主要表示解答难题等。Hehassolvedalltheproblems.
辨析:
易混词辨析例句
solve“解决”,侧重的是给出一个答案。solveamystery/apuzzle/difficulties/aproblem
settle“解决”,其对象通常是某种争端。settleanissue/anargument/amatter/aquarrel
10.from…on
fromthen/thattimeon从那时起fromnowon从现在起
from…to…frommorningtonight
11.reality
辨析:
易混词辨析例句
reality“真实,实在”,指某事物的确存在。Thefilmshowedlifeinthepoorareawithgreatreality.
truth“真实,真理”,指对人或事实而言。Thisisaneternaltruth.
12.share
sharesth.withsb.
sharesth.among/betweensb.
shareandsharealike
13.application
apply申请;应用
14.communication
(1)[U]交流,通讯
(2)[C]交通或通讯设备
15.financen.&v.(finacial)
(1)n.资金
e.g.financeforeducation
(2)n.[U]财政;金融;财务
e.g.theMinisterofFinance财政部长thefinancedirector/department财务主任、财务科
(3)(finances)(pl.)(个人、组织、国家的)财力,财源,财务管理
e.g.Buyingthenewhouseputaseverestrainonourfinances.
(4)v.给……提供资金
e.g.HetookajobtofinancehisstayinAustralia.
16.mobileadj.&n.
(1)adj.非固定的,可移动的
e.g.mobileequipmentamobileshopamobilehospitalmobilehome
(2)adj.行动方便的,腿脚灵便的
(3)adj.易于变换社会阶层(或工作、住处)的,流动的
e.g.amobileworkforce
(4)adj.多变的,易变的
e.g.Shehasamobileface.
(5)n.风铃,(可随风摆动的)悬挂饰物
17.explorevt.
(1)探测,勘察,探险
e.g.Theoceanshavenotyetbeenfullyexplored.
(2)探究,仔细查阅
e.g.I’llexplorethepossibilityofgettingajobhere.
18.goaln.
(1)目标;目的
e.g.Goalsdeterminewhatyouaregoingtobe.
(2)进球;得分
e.g.get/makeagoal
(3)球门
e.g.keepgoal守球门
achieveone’sgoalkickagoal
19.provide…with…
e.g.Theyprovidedfoodandclothingforthehomeless.
providesb.withsth.=providesth.to/forsb.
e.g.Thesunprovidesuswithlightandheat.
provideagainstprovideforsb.
辨析:
易混词辨析例句
provide“事先准备好”必需品来供应。
supply“补给不足”的人员或设备。Thecompanysuppliestentstothedeparment.
20.download
upload上传searchengine搜索引擎logon/in登录,上线
logoff/out注销,下线chatroom聊天室click点击
21.inreality
infactinactualfactasamatteroffact
22.giveaway
(1)捐赠,赠送,分送
e.g.Hegaveawaymostofhismoneytothecharity.
(2)分发,颁发
e.g.Theheadmastergaveawaytheprizesattheschoolsportsday.
(3)泄漏,暴露
e.g.giveawaythesecrets
(4)丧失,失去
e.g.Hegaveawayhisfortunate.
23.consist
consistof由……组成consistin在于consistwith与……一致
e.g.Ourteamconsistsof11members.
Happinessconsistsinhealth.
由……组成用被动语态:bemadeupofbecomposedof
用主动语态:consistof
24.advantage
(1)优势,有点
e.g.Ihadtheadvantageofhim.(=Iwasinabetterpositionthanhewas.)
(2)利益,好处
e.g.Therewillbenoadvantageindoing….
takeadvantageof利用beofadvantageto对……有利totheadvantageofsb.对某人有利
辨析:
易混词辨析例句
advantage指在物质利益方面及竞争中所占的优势或有利条件。Therewillbenoadvantageinwastingtime.
profit多局限于物或金钱的利益,指“利润”时,常用复数。Thebankdidnotmakeprofitslastyear.
benefit常用的词,可兼指物质和精神两方面的好处。Thenewfactorywillbeagreatbenefittothetown.
25.reason
thereasonwhy…thereasonforwhich…
e.g.Iwanttoknowthereasonwhyhefailedtheexam.
26.signalv.&n.
(1)v.发信号;示意
e.g.Marywassignalingtous.
(2)n.信号,暗号
(3)n.电信号
e.g.TVsignalsaradiosignal
Inourclass,whenthebellandtheteacherclosedhisbook,itwasasignaleveryonetostandup.(它正是大家要起立的信号)(signal)
27.inaway=inoneway
onthewaybythewayintheway
28.makeup
(1)编排
e.g.Hemadeupthenamelist.
(2)由……组成,构成bemadeupof
(3)编造,捏造
e.g.Thewholestoryismadeup.
(4)凑足,补足或补齐某事物
e.g.Weneed10,000dollarstomakeupthesumrequired.
(5)弥补;补考
e.g.She’llmakeupthefinalexam.
(6)化妆
e.g.Shetookoveranhourtomakeup.
(7)铺床,支起(临时的床)
e.g.Theymadeupabedonthefloor.
(8)与某人和解、和好
e.g.Theyquarreledbutsoonmadeup.
AmericanIndians____aboutfivepercentoftheU.S.population.(2008浙江)
A.fillupB.bringupC.makeupD.setup
29.afterall
atallafterallaboveallinall
Whyareyousoanxious?Itisn’tyourproblemafterall.(毕竟这不是你的问题)(afterall)
30.dealwith对待;对付;处理;与……交易;论述;涉及
e.g.Thisbookdealswithanimportantissue.
辨析:
易混短语辨析例句
dealwithdeal是不及物动词。一般与how连用。Iwanttoknowhowtodealwithit.
dowithdo是及物动词。一般与what连用。Iwanttoknowwhattodowithit.
31.watchover看管;照顾;看守;守卫
watchout注意,留神keepawatchon监视
onthewatchfor看守,监视setawatchon派兵守卫
32.spoilv.&n.
(1)v.破坏;搞坏;糟蹋;毁掉
e.g.Ourcampingtripwasspoiltbybadweather.
(2)v.溺爱,娇惯,宠坏
e.g.Shespoiledherchild.
(3)v.善待,格外关照
e.g.spoiloneself
(4)v.(食物)变坏、变质
e.g.Don’teatthefoodbecauseitspoiled.
(5)n.[pl.]战利品,掠夺物;成功带来的好处
e.g.Therobbersdividedupthespoils.
经验告诉我们,成功是留给有准备的人。教师要准备好教案,这是教师的任务之一。教案可以让学生能够在课堂积极的参与互动,帮助教师缓解教学的压力,提高教学质量。你知道如何去写好一份优秀的教案呢?小编特地为大家精心收集和整理了“Computers(Period 4 Listening)教案”,仅供参考,希望能为您提供参考!
Period4Listening
TheGeneralIdeaofThisPeriod:ThisperiodincludeslisteningandwritingonPage21;listeningonPage55andlisteningtaskonPage58.Apparently,thepurposeofthisperiodistotrainthestudents’listening—forinformation;forcomprehensionandforlanguage.Meanwhile,thestudentswillbetrainedtoexpresstheirownopinionsafterlistening.TeachingAims:1.Helpthestudentstolearnabouttheknowledgeofinformationtechnology.2.Enablethestudentstogetthemainideasofthelisteningmaterials.TeachingImportantandDifficultPoints:1.Howtogetthemainideaandinformationindetails.2.Expresstheirownopinionsafterlistening.TeachingMethods:1.Task-basedlearning.2.Cooperativelearning.TeachingAids:1.Ataperecorder.2.Amultimedia.TeachingProcedures:Step1RevisionCheckthestudents’interviews.Getthestudentstoworktogetherwiththeirpartnerstointervieweachother.Step2Listeningandwriting(Page21)Task1ListentoaconversationT:Class,asweallknow,the21stcenturyisthecenturyofinformationandtechnology.NextwewilllistentoaconversationaboutdifferentkindsofinformationtechnologyorIT.Andasweknow,eachkindofinformationtechnologyhasitsownadvantagesanddisadvantages.Sofromthisconversationwewilllistenfortheadvantagesanddisadvantagesofeachone.Butbeforelisteninglet’sfirstlookatthepicturesonPage21andtheformonPage22tomakesurewhatyouaregoingtodowhilelistening.OK,let’sbegin.Thestudentslistentotheconversationforthefirsttime.Task2DiscussionandfillingT:YoucanseethereareaTV,aCD-ROM,acomputer,aradio,aDVDandnewspaperhere.Nowtrytofinishfillingintheformwiththeinformationyouhavejustgotfromtheconversation.Suggestedanswers:TypeofIT
Advantages
Disadvantages
TV
Youcanbothlistenandwatch
Youcan’twritetofriends
Web
Youcanfindinformation
It’sveryexpensive
Radio
YoucanlistentoEnglish
Youcannotwatch
Book
Youcangetinformation
Sometimesitisout-of-date
T:Now,let’sdiscusstheadvantagesanddisadvantagesofeachtypeofITinsmallgroupsandthendecidewhichtypeofITisbestforyoutouse,accordingtotheformaboveandexplainthereasons.Whilediscussing,remembertousethefollowingexpressions:Ithinkthat...Inmyopinion...Ibelievethat...Iagreebecause...Idisagreebecause...I’vedecidedthat...Step3Listening(Page55)T:NowcometothelisteningonPage55.Beforeyoulistening,pleasereadtherequirementsofEx.1.Afterthat,youwillfindthethreerobotsfromthepicturesaboveonPage55andnumberthem.Thepossiblenumber:Picture1—No.3Picture3—No.2Picture4—No.1T:NowpleaselookattheseboxesonPage55beforeyoulistentothetapeagain,andtrytofindoutthelisteningpoints.Paymoreattentiontothesepointsandyoumaymakesomenoteswhilelistening.Threeminuteslater.T:Nowtrytofillintheboxeswiththeinformationfromthelisteningmaterial,andthencheckyouranswerswithyourpartners.Suggestedanswers:Personalrobot
Information
Size
!--?xml:namespaceprefix=st1ns="urn:schemas-microsoft-com:office:smarttags"/--35cm
Whatitlookslike
Robotwithfivearms
Whatitcando
Allhomework
Price
50yuanaday
Bird-likeandroid
Information
Size
10cm
Whatitlookslike
Bird-likeandroid
Whatitcando
Singsbeautifully
Price
600yuan
Lonelyandroid
Information
Size
2m
Whatitlookslike
Large,energeticrobot
Whatitcando
Climbsmountains;playsguitar;singskaraoke
Telephonenumber
Room-1234
Step4Listeningtask(Page58)T:NowpleaseturntoPage58,andfinishthelisteningtask.Asweknow,computersareusedwidelyandputintoandroids.Pleaselookatthepicturesabove.Therearetwoandroidsinit.Oneworksasamaid.Theotherworksinacarfactory.Theyarefriendsandtheyweremadeatthesametime.Nowtheyaretalkingabouttheirlivesandwhatitfeelsliketobeandroid.OK,pleaselistencarefullytotheirproblemsandfillintheform.I’llplaythetapetwice.Afterlistening.T:Trytofillintheformsasquicklyasyoucan,andthenwewillchecktheanswersinclass.SuggestedanswersSallyandBrenda’sproblems
Abouttheirjobs
Theirprogrammerdecidedthem
Aboutchangingtheirjobs
Theyarenotabletochangejobs
Aboutwhodecidestheirfuture
Theirprogrammerdoes
Abouthowtheyaredifferentfrompeople
Theycannotsmell,laugh,taste,oreatfood
Abouthowtheyarethesameaspeople
Theyenjoyfootball
T:Fromwhatwehavejustlistened,weknowthatSallyandBrendahavesometroublesintheirlives.Theyaretreatedbadly.Nowyouaregoingtomakealistoftherightsthatandroidsshouldhavesothattheywillbetreatedbetter.Youcanworkwithyourpartnersandhavediscussion.Suggestedanswers:1.Theyshouldbeabletochoosetheworktheydo.2.Theyshouldhavetheirowntime.3.Theyshouldbeabletochangetheirjobs.4.Theyshouldbeabletodecidetheirownfuture.5.Theyshouldbeabletotaste,smell,feel,etc.Step5AssignmentT:Class,Ireallyappreciateyourgoodperformanceinthislisteningclass.Icanseethatyourlisteninghasgreatlyimprovedsinceyoucametotheseniorschool.Keeponyourgoodwork!OK,wehavenotimeleft.I’dliketoassignyousomehomeworktodo.1.GooverthelisteningandwritingonPage21andgetreadyforthewriting.Step6TheDesignoftheWritingontheBlackboardUnit3Computers
Period4
TypeofIT
Advantages
Disadvantages
TV
Youcanbothlistenandwatch.
Youcan’twritetofriends.
Web
Youcanfindinformation.
It’sveryexpensive.
Radio
YoucanlistentoEnglish.
Youcannotwatch.
Book
Youcangetinformation.
Sometimesitisout-of-date.
Personalrobot
Information
Size
35cm
Whatitlookslike
Robotwithfivearms
Whatitcando
Allhomework
Price
50yuanaday
Bird-likeandroid
Information
Size
10cm
Whatitlookslike
Bird-likeandroid
Whatitcando
Singsbeautifully
Price
600yuan
Lonelyandroid
Information
Size
2m
Whatitlookslike
Large,energeticrobot
Whatitcando
Climbsmountains;playsguitar;singskaraoke
Telephonenumber
Room-1234
Step7RecordafterTeachingUnit3Computers
The4thperiod:ListeningSpeaking
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.
TypeofITAdvantagesDisadvantages
TVYoucanbothlistenandwatch.Youcannotwritetofriends.
WebYoucanfindinformation.Itisveryexpensive.
RadioYoucanlistentoEnglish.Youcannotwatchafilm.
BookYoucangetinformation.Sometimesitisoutofdate.
3.Post-listening:
1)(pairwork):decidewhichtypeofITisbestforyoutouserightnow.Makeyourchoiceandgiveyourreasonsbyusingthefollowingexpressions.
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(desktopcomputerlaptopcomputer…)
Languageinput:Usefulexpressions(Repeatittostrengthenstudents’abilityofuseit.)
SupportinganopinionChallenginganopinion
Ithinkthat…,because…Perhaps,butwhatif/about…?
First,…Haveyouthoughtabout…?
Onereasonisthat…Whatmakesyouthinkthat…?
Ithinkitisbetterbecause…Idon’tlikeitbecause….
(Pairwork)Usetheexpressionstosupportyouropinionorchallengingother’sopinions.
2)Oralreport:(individualwork)
Doanoralreporttoyourfatherandstartyourreportlikethis:Ilookedatmanydifferentcomputers.TheoneIhavechosenisthePEPpersonalcomputer.Oneofthemainreasonsisthatitissuitableforhomes.Ifoundthat…
3.Post-speaking
Conclusion—Whatusefulexpressiondoweusetomakeadecisionandreason?
(Inthisway,theycanreviewandusethewordsandphrasesagain.)
Step5.Homework
Page22.writing:Writeareportaboutyourchoiceandtrytousethepresentperfectpassivevoiceaswellastheusefulwordsandexpressionsthathavebeenmentionedabove.inyourreport.
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