Unit 3 Computers（精选3篇）

Unit3Computers篇1

unit3computers

the3rdperiod:learningaboutlanguage

---thepresentperfectpassivevoice

goals:1.learnthepresentperfectpassivevoice.

2.helpthestudentsmasterthewayofusingthecorrectvoice,tellingthedifferencesbetweentheactivevoiceandthepassivevoice. 

teachingprocedures:

step1:revisionandlead-in

1. checkthehomeworkfirst

ex1:

1totally2revolution3artificialintelligence  4birth5simple-minded   6goby  

7dealwith 8network9truly    10anyway

ex2:

revolution;network;wentby;totally;truly;simple-minded;anyway;dealwith

ex3:

1 totally   2amazed   3exciting   4excited 

5cheaply  6unlucky

2.lead-in

say:areyoufamiliarwiththesecomputers?canyoucallthem?(askthesstodistinguishdifferenttypesofcomputers.)

doyouknowthesenewinventionsofcomputer?

awrist-wornpc hasbeeninventedrecently.

apen-likecomputerhasalreadybeendeveloped.

(showthemsomepicturesandaskthemtomakesomesentences,usingthepresentperfectpassivevoice.)

eg:it’sratherahotdaytoday!wouldyouliketohaveaswimafterschool?

haveyoueverswuminthebluewaterworld（蓝色水世界）intheorientalsuntown(东方太阳城)whichhasbeensetupintaizhou?

thereabeautifulswimmingpoolhasbeenbuilt.

manyhighbuildingshavebeensetup.

lotsofflowersandtreeshavebeenplanted.

anewbridgehasbeencompleted….

step2:discovering

askthesstodiscoverwhetherthesesentenceshavesomethingincommon..helpthemtolearntheusefulstructure:thepresentperfectpassivevoice. 

step3:discussion:learningthestructure

givesomeexplanations

1构成：

主动语态        被动语态

现在完成时    have/hasdone----------have/hasbeendone

hehasbeensenttostudythenewtechnologyinthecompany.

thedirtyclotheshavenotbeenwashed.

havethewindowsbeencleaned?

howmanyshoppingcentershavebeenbuiltinthiscity?

2.只有及物动词才有被动语态，不及物动词（词组）没有被动语态,如:happen,takeplace,

die,appear,disappear,fail,remain,lie,last,sit,stand,breakout,cometrue,belongto等.如：

whathashappenedtoyourbrother?

3.但许多不及物动词加介词或副词构成的短语动词，相当于及物动词，也可以有被动语态。

但短语动词是一个不可分割的整体，变为被动语态时，不可丢掉构成短语的介词或副词。如：

thechildhasbeentakengoodcareofbygrandmawangalltheseyears.

anoticehasbeenputuponthewall

step4:practiceandexercises

1.changethefollowingsentencesintothepresentperfectpassivevoice.

!).wehavecompletedallthepreparationsforthetask,andwe’rereadytostart.

2).thiscompanyhasproduced newtypesofcomputers.

3).theyhaveinterviewedseveralteachersforthejob.

4).georgehassentsometextsandpicturestohisfriend’scellphone.

5).theyhavedevelopedsomeprogrammesforthehumanresourcedepartmentoftheircompany.

2.changethefollowingsentencesintothepresentperfectpassivevoice.puttheverbsintocorrectform.

recentlywehaveboughtanewpersonalcomputer.wehaveusedthecomputereverydaysinceweboughtit.wehavejustjoinedourcomputertotheinternet.however,wehavefoundmanyproblemswithit.sowehavedecidedtoaskaprofessionalmantofixit. soonhehasfixedthecomputer.hehasbuiltapcwaywewanted.howexcitedweare!thesedayswehavewrittenalotofe-mailsonthecomputer.wehavedecidedtowriteareportaboutthepositiveandthenegativeeffectsofusingcomputers.

3.dosomeexercises:choice

step5:usingthestructure:playagame—whathasbeendecided.

1.givethessthesituation:getintogroupsoffour.yourtaskistodecidewhathasbeendecidedfortheclass.taketurnstomaketheideasasinterestingoraslivelyasyoucan.

2.givethesssomeexamples:

s1:ithasbeendecidedthatthosewhodonotdoheirhomeworkwillbeaskedtoreturntoschoolonsaturday.

s2:ithasbeendecidedthatthosewhokeeptheclassroomtidyshouldbeallowedtogohomeearlyeveryday.

s3:ithasbeendecided…        s4:…                

3.askthemtocollecttheonestheyalllikebestandbepreparedtotellthemtotheclass.

step6:furtherstudy: 高考链接(thisstepcanbedoneaccordingtoteachingneeds.)

1.---howlong_____atthisjob? b

---since1990.

a.wereyouemployed         b.haveyoubeenemployed

c.hadyoubeenemployed      d.willyoubeemployed

2.whenandwheretogofortheon-salaryholiday___yet.(上海春季)  d

a.arenotdecided              b.havenotbeendecided

c.isnotbeingdecided      d.hasnotbeendecided

3.allthepreparationsforthetask___,andwearereadytostart.(北京春季)  d

step7:homework

1.finishexercise1onp57.              

2.revisethepresentperfectpassivevoice.

Unit3Computers篇2

unit3computers

the5thperiod: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!thefollowingquestionsandexpressionscanhelpyou:

＊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.heneedsmetorememberallhisschooltextbookssothaticandohishomeworkforhim.hejustgivesmetheinformationonthesubject,whathastobedoneandthepagenumbersandigetonwithitwhileheenjoyshimselfwithhisfriends.sometimesidon'tthinkitisrighttodohishomeworkforhim—it'ssomewhatcheating.however,hisparentsareveryconcernedatthepressureofworkinschoolthesedays.thechildhastoomuchhomeworktodo.theylikehimtogotothekeyschoolbuttheyalsowanthimtobeabletohavehobbies,learntoswimandkeepfit!poorchild! 

sotheyconsidermethemostimportantpersoninthefamilyafterthemselves.iamalwaysintroducedtotheirfriendsandplaywithvisitingchildren.iamtheperfectfamilyacademicaidand,althoughiwasnotcheaptobuy,mrlisaysiwaswortheveryyuan!

step6assessment

getthestudentstoassesstheirwritingabilityaccordingtothefollowingthequestions:

1.isyourcompositionwelldeveloped?

2.areyourideaswellorganizedtothepoint?

3.doyouhaveagoodchoiceofwordsandidiomsinyourwriting?

4.doyougetagoodmasteryofcomplexstructuresoflanguage?

5.whatkindofmistakeshaveyoumadeinyourwriting?

step5:homework

writeaboutyourdiscussion.youmaybeginlikethis:

hello,everyone.mynameis___.i’m321modelandroid.iworkforthelifamily….

Unit3Computers篇3

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.calculated b.consider c.completed d.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.mobileequipment    amobileshop  amobilehospital mobilehome

(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’sgoal     kickagoal

19.provide…with…

e.g.theyprovidedfoodandclothingforthehomeless.

providesb.withsth.=providesth.to/forsb.

e.g.thesunprovidesuswithlightandheat.

provideagainst  provideforsb.

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

infact   inactualfact   asamatteroffact

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：bemadeupof  becomposedof

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.tvsignals   aradiosignal

inourclass,whenthebellandtheteacherclosedhisbook,itwasasignaleveryonetostandup.（它正是大家要起立的信号）(signal)

27.inaway=inoneway

ontheway  bytheway  intheway

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.（浙江）

a.fillup  b.bringup  c.makeup  d.setup

29.afterall

atall  afterall  aboveall  inall

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

dealwith deal是不及物动词。一般与how连用。 iwanttoknowhowtodealwithit.

dowith do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.