高中英語必修2人教版導(dǎo)學(xué)案：Unit 3 Computers學(xué)案

Unit3Computers

第一課時Warmingup&vocabulary

預(yù)習(xí)導(dǎo)學(xué)

一.本單元重點單詞：

calculateuniversalsimplifysum

operator________logically______technology__technological_____

revolutionartificialintelligentintelligence

solverealitypersonalpersonally

applicationtotaltotallynetwork

financewebtubemobile

rocketexploreanyhowmop

goalhappinessdownloadvirus

signalappearanceelectronictype

coachcharacterariseniece

二.本單元重點短語：

1.從現(xiàn)在起________2.因此-3.如止匕…?以致于__________

4.人類________5.在某種程度上一____6.在一的幫助下__________

7.處理，對待______8.監(jiān)視，看守—

三.本單元語法：現(xiàn)在完成時的被動語態(tài)的結(jié)構(gòu)和用法

實戰(zhàn)演練

一.單詞拼寫

1.Weshouldenewwaystosolvetheproblemsthatwearefacing.

2.Pspeaking,IpreferEnglishtomaths.

3.Weshouldtrytosthisdifficultproblemtomakeiteasiertobeunderstoodby

others.

4.Don'tjudgeapersonbyhisa.

5.Theyaretwins,sotheyhavesomethinginc

6.Afteryearsofhardwork,hisdreamhasbecomear.

7.Computersareusedtocwitheachotheraroundtheworldbytheinternet.

8.Inthepast20years,myhometownhast

changed.

9.Ifanyproblema,pleasetellme.

10.HasEdward（計算）theresult?

二.根據(jù)句子意思，從下表所給出的詞匯中選出合適的單詞或詞組,并用其正確形式填空.

goal,watchover,asaresult,deal

with,afterall,total,withthehelpof

1.hisfriends,heovercamehisdifficultiessuccessfully.

2.Ifyoudon'tsetyourself,youwilloftenfindyourselfwastingtime.

3.Thecostofthesethingsis100dollars.

4.Asanelderbrother,youhavetheresponsibilityto-yoursister.

5.Thecoldweatherhasfrozentheriver.,hecan'tgoboatingasheusually

would.

6.Don'tscoldtheboy.,heisonly5yearsold.

7.Sheisusedtoallkindsofpeople.

反饋檢測

一.單項選擇

1.Althoughtheyaretwins,theyhavelittle.

A.thesameasB.incommon

C.incommonsD.muchlike

2.theteacher,wefinallyunderstandthemeaningofthepassage.

A.WiththehelpofB.Underthehelpof

C.AfterthehelpofD.Bythehelpof

3.Heherroleintheplay,whichmadeothersunhappy.

A.hadagoodideaofB.thoughthighlyof

C.tookprideofD.madefunof

4.Astimemymemoryseemstogetworse.

A.goesalongB.goesaway

C.goesbyD.goesthrough

5.Althoughhedidn'twanttogototheball,heacceptedtheinvitation.theball

wasimportanttohim.

A.AfterallB.Inall

C.FirstofallD.Aboveall

6.Treesofthiskindaresothattheycanbeenseeneverywhere.

A.usualB.ordinaryC.normalD.common

7.We'vemissedthebus.I'mafraidwehavenobuttowait.

A.wayB.choiceC.possibilityD.selection

8.—areyougoingtothebook?

一Keepit,ofcourse.

A.What,dealwithB.How,dealwith

C.How,dowithD.What,use

9.Whilehewasaboutinthestreet,hemetanoldfriendbychance..

A.wanderingB.wondering

C.wonderedD.wandered

10.Problemsbecausetheywerelackofcommunication..

A.raisedB.addedC.showedD.arose

11.Youmaynotagree,butIthinksheisaverygoodstudent.

A.personallyB.trulyC.generallyD.commonly

12.Shemadesuchasillymistakebecauseshehadn'tkeptheronherwork.

A.headB.heartC.brainD.mind

13.—Whydoyouaskmetotakethatearlybus?

一Becausethatbusthe9:00amtrainatLondon.

A.joininB.joinsup

C.uniteswithD.connectswith

14.一Ican'tgotobedearlyagaintonight.

-Areyoureallybusyastostayupeveryday?

A.muchB.veryC.tooD.so

15.Thetigerwasmadeinthecage,butitwassostrongthatitnearlymadethe

cage.

A.stay;breakB.stay;broken

C.tostay;brokenD.tostay;broke

第二課時Reading

預(yù)習(xí)導(dǎo)學(xué)

Whafstherobotlike?

Aninventorhascreatedhisperfectwoman,arobotwhocandothecleaning,rememberhis

favouritedrinkandreadhimthenewspaperheadlines.LeTrung,33,hasspent￡14,000

creatingAiko,whohedescribesas"inher20s"witha32,23,33figure,shinyhairand

delicatefeatures.ShecanspeakEnglishandJapanese.MrTrungsaidhehasneverhad

timetofindarealpartner-sohedesignedandcreatedhisidealwomanusingthelatest

technology.Hesaid:"Aikoiswhathappenswhensciencemeetsbeauty."Iwanttomakeher

look,feelandactashumanaspossiblesoshecanbetheperfectcompanion."Italktohera

lot,andhopetoimproveherknowledge/5Sofarshecanunderstandandspeak13,000

differentsentencesinEnglishandJapanese,soshe'salreadyfairlyintelligent."Aiko

recognizesfacesandsayshellowhenanyofmyfamilycomearoundtovisit.Shehelpsme

pickwhattohavefordinnerandknowswhatdrinksIlike."Sheevenhelpsmewith

directionswhenwe'regoingsomewhere."Shedoesn'tneedholidays,foodorrestandshe

willworkalmost24-hoursaday.Sheisverypatientandnevercomplains.Sheistheperfect

woman."

閱讀短文，判斷正誤

1.Aikoisaperfectwomanrobot.

2.MrTrunghastimetofindarealpartner.

3.AikocanspeakdifferentsentencesinEnglishandJapanese.

4.Aikocanhelptheauthorwithdirections.

5.Aikocanworkallday.

實戰(zhàn)演練

一.單項選擇.

1.Aftergraduationfromcollege,hebegantogofromcitytocity,asuitablejob.

A.huntingforB.takingon

C.lookingafterD.bringingup

2.--Howlonghavethey?

--Theytwentyyearsago.

A.beenmarried;gotmarried

B.married;married

C.gotmarried;weremarried

D.gotmarried;gotmarried

3.Severalcompaniesareeachotheracontract.

A.competingagainst;for

B.competewith;with

C.competewith;against

D.competingwith;to

4.Hermotherhavingreadtheletter.

A.thoughtB.consideredC.admittedD.advised

5.Sheisatalentedmusicianbeingasinger.

A.alsoB.eitherC.aswellD.aswellas

6.besenttoworkthere?

A.Whodoyousuggest

B.Whodoyousuggestthatshould

C.Doyousuggestwhoshould

D.Doyousuggestwhomshould

7.Heisalwaysseriousanddoesn'tlike.

A.playjokesB.beingplayedjokeson

C.beingplayedjokes

D.toplayjokeonothers

8.PeoplemayhavedifferentopinionsaboutKaren,butIadmireher.,sheisa

greatmusician.

A.AfterallB.Asaresult

C.InotherwordsD.Asusual

9.Wewereatwhathesaid.

A.fondB.interestedCamazedDsatisfied

10.--Davidhasn'tcomeyet.

---Ithinkhewillsoon.

A.turnonB.turnoffC.turndownD.turnup

二.請指出并改正下列句子中的錯誤.

1.Overtimecomputershavechangedquitealot.

2.1could“think"logicalandproduceananswerquickerthananyperson..

3.AsaresultofItotallychangedmyshape.

4.Iamsorry.Theseatwastakenalready.

5.Therewasnobodyinthehouse,thoughthedoorwasremainedopen.

三.Fillintheblank.

Ibeganasa___1machinein1642inFrance.In1822Iwasbuiltasan2___

machine.Thenin1936AlanTuringwroteabookandbuilta_3machine.Astheyears

have4_____,Ihavebeenmade_5.Thereweretimeswhenmysize_6

changed.Andmymemorybecame_7___large_8___Icouldn'tbelieveit.Inthe1960s

theygavemeafamily9byanetwork.Iwasableto_10withothersthroughthe

WorldWideWeb.Sincethe1970smanynewapplications_11forme.

四.英漢互譯

1.每次他去游泳，爸爸都要在附近看著他。(watchover)

2.我的目標(biāo)是給人類提供一個高品質(zhì)的生活。（goal）

3.他的父母勸他不要一個人去，但他不聽。（persuade）

4.他夢想成為一名歌手。(dreamof)

5.工人們堅持要求工廠給他們加薪。(insist)

反饋檢測

一.閱讀理解：

ComputerprogrammerDavidJonesmakes35,000poundsayeardesigningnew

computergames,yethecannotfindabankpreparedtolethimhaveacreditcard（信用卡）.

Instead,hehasbeentoldtowaitanothertwoyears,untilheis18.

The16-year-oldboyworksforasmallfirminLiverpool,wheretheproblemofmost

youngpeopleofhisageisfindingajob.David'sfirmputstwonewgamesonthehome

marketeachmonth.

ButDavid'sbiggestheadacheiswhattodowithhismoney.Inspiteofhissalary,made

byinventingnewprogramswithinaquiteshortperiodoftime,thebonuspaymentsand

profit-sharing（獎金和分紅）,hecannotdriveacar,getsomemoneyfromabanktobuya

house,orgetcreditcards.

HeliveswithhisparentsintheirhouseinLiverpool,wherehisfatherisabusdriver.His

firmhastopay￡150amonthintaxifarestogethimthefivemilestoworkandbackevery

daybecauseDavidcannotdrive.

Davidgothisjobwiththefirmayearafterleavingschoolwithsix0-levelsandworking

foratimeinacomputershop.ulgotthejobbecausethepeoplewhorunthefirmknewIhad

alreadywrittensomeprograms,"hesaid.

“Isuppose35,000poundssoundsalotbutactuallythafsnotgoodenough.Ihopeitwill

cometomorethanthatthisyear."Hespendssomeofhismoneyonrecordsandclothes,

andgiveshismother20poundsaweek.Butmostofhissparetimeisspentworking.

"Unfortunately,computingwasnotpartofourstudiesatschool,hesaid.uButIhad

beenstudyingitinbooksandmagazinesforfouryearsinmysparetime.IknowwhatI

wantedtodoandneverconsideredstayingonatschool.Mostpeopleinthisbusinessare

fairlyyoung,anyway."

Davidadded,ulwouldliketoearnamillionandIsupposeearlyretirement（退休）isa

possibility.Youneverknowwhenthemarketmightdisappear."

1.WhyisDaviddifferentfromotheryoungpeopleofhisage?

A.Heearnsaveryhighsalary.

B.Hehasnotajob.

C.Hedoesnotgooutmuch.

D.Helivesathomewithhisparents.

2.David'sgreatestproblemis.

A.makingthebankstreathimasagrown-up

B.inventingcomputergames

C.spendinghissalary

D.learningtodrive

3.Hewashiredbythefirmbecause.

A.hehadworkedinacomputershop

B.hehadwrittensomecomputerprograms

C.heworkedveryhard

D.hehadlearnedtousecomputersatschool

4.Heleftschoolaftertakingsix0-levelsbecause.

A.hedidnotenjoyschool

B.hewantedtoworkwithcomputersandstayingatschooldidnothelphim

C.hewasafraidofgettingtoooldtostartcomputing

D.hewantedtoearnalotofmoney

5.WhydoesDavidthinkhemightretireearly?

A.Onehastobeyoungtowritecomputerprograms.

B.Hewantstostopworkingwhenheisamillionaire.

C.Hethinkscomputergamesmightnotalwayssellsowell.

D.Hethinkshisfirmmightgobad.

第三課時Grammar

預(yù)習(xí)導(dǎo)學(xué)

語法呈現(xiàn)

1.Iinofficeandhomessincethe1970s.

2.IneverforgetanythingI.

3.Sincethe1970smanynewapplicationsforme.

4.1alsorobotsandusedtomakemobilephonesaswellas

helpwithmedicaloperations.

現(xiàn)在完成時的被動語態(tài)的結(jié)構(gòu)為____________________________________________

實戰(zhàn)演練

一.單項選擇

1.Manynewteachingbuildings_since1980.

A.werebuiltB.willbebuilt

C.havebeenbuiltD.hadbeenbuilt

2.—thesportsmeetmightbeputoff.

A.I'vebeentoldB.I'vetold

C.I'msoldD.Itold

3.Greatchangesinthecity,andalotoffactories.

A.havebeentakenplacehavebeensetup

B.havetakenplace,havebeensetup

C.havetakenplace,havesetup

D.weretakenplace,weresetup

4.SheRobertforayear.

A.marriedB.marriedwith

C.hasbeenmarryingD.hasbeenmarriedto

5.Anewmuseuminmyhometown.

A.hassetupB.hasbeensetup

C.wassetupD.issetup

6.Allthepreparationsfortheprojectandwe'rereadytostart.

A.completedB.hadbeencompleted

C.completeD.havebeencompleted

7.Thereisacrowdofpeopleoverthere.Whatdoyousuppose?

A.didhappenB.hashappened

C.ishappenD.hasbeenhappened

8.Everypossiblemeanstopreventtheairpollution.

A.isusedB.areused

C.hasbeenusedD.havebeenused

9.Nopermissionforanyonetoenterthebuilding.

A.hasbeengivenB.hasgiven

C.hastogiveD.hasbeengiving

10.Thepolicefoundthatthehouseandalotofthings

A.hasbrokeninto;hasbeenstolen

B.hadbrokeninto;hadbeenstolen

C.hasbeenbrokeninto;stolen

D.hadbeenbrokeninto;stolen

二.句型轉(zhuǎn)換

1.Thechildisnotonlybeautifulbutalsoclever.

Thechildisbeautifulclever.

2.Withtimegoingby,wegrewolderandolder,

timeby,wegrewolderandolder.

3.Tomhaschangedmuch.Ican'trecognizehimatthefirstsight.

TomhaschangedmuchIcan'trecognizehimatthefirstsight.

4.Wehavewrittenalotofe-mailsonthecomputerinthepastyear.

Alotofe-mailsonthecomputerinthepastyearbyus.

5.Heissostrongthathecancarrytheheavybox.

Heisaboyhecancarrytheheavybox.

三.單句改錯

1.Thebookhasbeengivenhim.

2.Themostcomfortableservicehasbeenofferedusbyhim.

3.ThenewbridgeovertheYellowRiverhasjustcompleted.

4.Manynewbuildingswerebuiltsince1980.

5.Somethingbadhasbeenhappenedtohim.

反饋檢測

高考鏈接

一.從所給的A、B、C、D中選出最佳選項

1.Igotcaughtintherainandmysuit.(07)匕京卷)

A.hasruinedB.hadruined

C.hasbeenruinedD.hadbeenruined

2.（2004高考北京卷）ThemayorofBeijingsaysthatallconstructionworkfortheBeijing

Olympics

by2006.

A.hasbeencompletedB.hascompleted

C.willhavebeencompleted

D.willhavecompleted

3.（2004高考廣西卷）一Thewindowisdirty.

--Iknow.Itforweeks.

A.hasn,tcleanedB.didn'tclean

C.wasn'tcleanedD.hasn'tbeencleaned

4.（2004高考湖北卷）---GeorgeandLucygotmarried.Didyougototheirwedding?

—No,I.Didtheyhaveabigwedding?

A.wasnotinvitedB.havenotbeeninvited

C.hadn'tbeeninvitedD.didn'tinvite

5.Theconstructionofthetwonewrailwaylinesbynow.（06陜西卷）

A.hascompleted

B.havecompleted

C.havebeencompleted

D.hasbeencompleted

6.IliketheseEnglishsongsandthey__manytimesontheradio.（2008安徽卷）

A.taughtB.havetaught

C.aretaughtD.havebeentaught

7.IheardtheyVepromotedTom,buthedidn'tmentionwhenwetalkedonthephone.

（2008江西卷）

A.topromoteB.havingbeenpromoted

C.havingpromotedD.tobepromoted

8.TmsureAndrewwillwinthefirstprizeinthefinal.

—Ithinkso.Heforitformonths.（2008江蘇卷）

A.ispreparingB.waspreparing

C.hadbeenpreparingD.hasbeenpreparing

9.Bythetimeherealizesheintoatrap,it'llbetoolateforhimtodoanythingaboutit.

（2008山東）

A.walksB.walked

C.haswalkedD.hadwalked

10.ProfessorJameswillgiveusalectureontheWesternculture,butwhenandwhere

yet.（07浙江卷）

A.hasn'tbeendecidedB.haven'tdecided

C.isn'tbeingdecidedD.aren'tdecide

第四課時Usinglanguage

預(yù)習(xí)導(dǎo)學(xué)

本單元知識點總結(jié)歸納

一.英漢互譯

1.mouse_______

2.centralprocessingunit

3.mainboard4.display

5.speaker6.printer

7.scanner8.共同的9.結(jié)果____10.處

理，對付

11.畢竟12.在某種程度—

13.看守，監(jiān)視

14.在某人幫助15決定做

二.重點句型

1.the1940sIaslargeasaroom---

2.timewentby,Iwasmadesmaller--

3.Mymemoryhasdevelopedsomuchthat,likeanelephant,IneverforgetanythingI

4.Anyhow,mygoalishumansalifeofhighquality.

三.交際用語

Ithink/don5tthinkthat--

Let'smakeadecision.

Lefsdecide------

Ibelievethat--

Theadvantage/disadvantageis—

Iagree/don'tagree—because—

Givemeyourreasons.

Whatmakesyouthinkso?First—Second—

Ithink-because(of)—

四.語法have/hasbeendone

五.選擇單詞的正確形式填空

intelligent,allow,coach,create,goal,compete,

encourage,determine,signal,strike

1.Hewasbytheheroes.

2.Weshouldmakegooduseofour

3.Theseyoungmenforthegoldmedal.

4.Anideasuddenlyme.

5.Wehaveanewbuilding.

6.Heistogoabroad.

7.Wehaveacommon.

8.Heistendollarsamonthforhispocketmoney.

9.Aredlightisusuallyaofdanger.

10.Heisourchiefinfootball.

實戰(zhàn)演練

一.單項選擇

1.Lefsholdapartytoyourbirthdayandatthesametimeyouonyourpassing

thedrivingtest.

A.congratulate;celebrate

B.celebrate;celebrate

C.celebrate;congratulate

D.congratulate;congratulate

2.Itseemsdifficulttohurtfrominjureinmeaning.

A.judgeB.tellC.divideD.separate

3.Duringthefootballmatch,hehurthisarmaswellashisleg.

A.breakB.breaksC.breakingD.broke

4.Hegoestothegymnasiumforphysicaltrainingday.

A.everyeachB.everyone

C.eachotherD.everyother

5.-Susan,youwillcomeandwatchTV,won'tyou?

—.Ipreferreadingtotelevision.

A.No;watchB.No;watching

C.Yes,watchD.Yes;watching

6.—SocanIaskyouafewfairlystraightforwardquestionsaboutyourself?

—Noproblem.Ilikewhenpeopleareopenanddirect.

A.thatB.thisC.itD.them

7..----Youmissedagoodchance.

------Yes,Ithatjobwhenitwasoffered.

A.shouldtakeB.shouldhavetaken

C.musthavetakenD.wouldtake

8._Johnthisweek?

一Yes.

一Wherehim?

一Inthelibrary.

A.Didyousee;didyousee

B.Haveyouseen;didyousee

C.Doyousee;haveyouseen

D.Haveyouseen;haveyouseen

9.WhenIgottothecinema,thefilm____fortenminutes.

A.hasbegunB.hadbegun

C.hadbeenonD.wason

10.一Doyoulikethematerial?

—Yes,itverysoft.

A.isfeelingB.feltC.feelsD.isfelt

二.完形填空

Aboutayearago,IwenttostayataDetroithotel.Ididn'twantto11toomuchmoney

withme,soI12thedeskclerktoputahundred-dollarbillinthesafefor13.Thenext

morning,however,theclerksaidthatheknewnothingaboutmymoney.Ididn'thaveany

proof（證據(jù)）14Ihadgiventhemanthemoney.Therewasclearly15lefttodobutgoto

thenearestlawyeratonce.Thelawyer16metoreturntothehotelwithhimandgive

17hundred-dollarbilltotheclerk.18wedid.Anhourlater,Iwentbacktothedeskand

askedformymoneytogetherwiththelawyer.19Ihadthelawyerasaneyewitness（證

A）tothe20hundred-dollarbill,theclerkcouldnot_21___heknewnothingaboutit.

Anotherhourlater,Iputthesecondpartofthelawyer'splanintoaction.Thistimeboththe

lawyerandIwenttothe_22___toaskforthehundred-dollaronceagain.Nomatter（不管）

23Isaid,theclerkwhokeptmybill_24___thathehadgivenittome.Isaiditwas

not_25___.Thelawyersaidtohim,2_26___thisgentlemangiveyouahundred-dollarbill.If

youdon'thanditinimmediately,Iwillbeforcedtocallthe_27___Nowtheclerkfeltquite

-28___,sohegavemebackthefirsthundred-dollarbill.

“Idon'tknow_29tothankyouenoughforgettingmymoneyback,"Isaidtothelawyer.

Andwhatdoyousupposeheanswered?Hesaid,4,Oh,don't_30___me.Thatwillbeone

hundreddollars,please."

11.A.borrowB.spend

C.wasteD.carry

12.A.madeB.asked

C.allowedD.let

13.A.meB.he

C.himD.us

14.A.thatB.which

C.whereD.when

15.A.somethingB.nothing

C.anythingD.everything

16.A.hopedB.agreed

C.insistedD.advised

17.A.theotherB.another

C.othersD.other

18.A.SuchB.All

C.SoD.Much

19.A.ForB.Though

C.EvenifD.Because

20.A.firstB.second

C.thirdD.one

21.A.sayB.admit

C.permitD.recognize

22.A.restaurantB.bank

C.hotelD.hospital

23.A.whatB.whatever

C.whichD.how

24.A.suggestedB.insisted

C.rememberedD.forgot

25.A.trueB.sure

C.exactD.nice

26.A.forcedB.made

C.allowedD.saw

27.A.policeB.judge

C.officialD.officer

28A.contentB.nervous

C.angryD.sad

29.A.whenB.what

C.whereD.how

30.A.thankB.praise

C.leavesD.fool

三.閱讀理解

A

Atonetime,computerswereexpectedlargelytoremovetheneedforpapercopiesof

documents（文件）becausetheycouldbestoredelectronically.Butforallthetextsthatare

written,storedandsentelectronically,alotofthemarestillendinguponpaper.

Itisdifficulttomeasurethequantityofpaperusedasaresultofuseof

Internet-connectedcomputers,althoughjustaboutanyonewhoworksinanofficecantell

youthatwhene-mailisintroduced,theprintersstartworkingovertime.ulfeelinmybones

thisrevolutioniscausingmoretreestobecutdown,"saysTedSmithoftheEarthVillage

Organization.

PerhapsthebestsignofhowcomputerandInternetusepushesupdemandforpaper

comesfromthehigh-techindustryitself,whichseesprintingasoneofitspromisingnew

markets.SeveralInternetcompanieshavebeensetuptohelpsmallbusinessesprintquality

documentsfromacomputer.EarlierthisweekHewlett-PackardCo.announcedaplanto

developnewtechnologiesthatwillenablepeopletoprintevenmoresotheycangetahard

copyofabusinessdocument,amedicalrecordorjustaone-linee-mail,eveniftheyare

nowherenearacomputer.Asthecompanyseesit,themoreuseoftheInternetthegreater

demandforprinters.

Doesallthismeanenvironmentalconcerns（環(huán)境問題）havebeenforgotten?Some

activistssuggestpeoplehavebeenledtobelievethatalotofdangerstotheenvironment

havegoneaway.Iguesspeoplebelievethattheproblemistakencareof,becauseof

recycling（回收利用），saidKellyQuirke,directoroftheRainforestActionNetworkinSan

Francisco.YetQuirkeishopefulthathigh-techmayalsoprovehelpful.Hesaysprintersthat

printonbothsidesaregrowinginpopularity.

Theactiongrouphasalsofoundacceptablepapermadefrommaterialsotherthan

wood,suchasagriculturalwaste.

31.Thegrowingdemandforpaperinrecentyearsislargelydueto.

A.therapiddevelopmentofsmallbusinesses

B.theopeningupofnewmarkets

C.theprintingofhighqualitycopies

D.theincreaseduseoftheInternet

32.Environmentalistsbelieveonepossiblewayofdealingwiththepapersituationis.

A.toencourageprintingmorequalitydocuments

B.todevelopnewprintersusingrecycledpaper

C.tofindnewmaterialsformakingpaper

D.toplantmorefast-growingtrees

33.Hewlett-PackardCo.hasdecidedtodevelopnewtechnologiesbecause.

A.peopleareconcernedabouttheenvironment

B.printersinmanyofficesareworkingovertime

C.smallcompaniesneedmorehardcopies

D.theyseeagrowingmarketforprinters

34.Whatwouldbethebesttitleforthetext?

A.ComputersandPrinters.

B.E-mailandtheBusinessWorld.

C.InternetRevolutionandEnvironment.

D.ModernTechnologyandNewMarkets.

B

YourfriendmightbeinAustraliaormaybejustdowntheroad,buttheyarealljustafew

clicksaway.Lifehaschangedformillionsofteenagersacrosstheworldwhonowmake

friendsonline.Whetheryouusechatroom,QQ,MSNorICQ,youarepartofvirtual

community.

“Irarelytalkwithmyparentsorgrandparents,butItalkalotwithmyoldfriendsonQQ,”

saidFox'sShadow,theonlinenicknameusedbyaSenior2girlinChina.Tightpercentof

myclassmatesuseQQafterschool.

QQisthebiggestmessagingserviceinChina.Arecord4millionpeopleuseitone

SaturdaynightinOctober,accordingtoTencent,thecompanywhichdevelopedQQ.

AndFox'sShadowmightwellhavebeenoneofthem.￡1loginonFridaynights,and

SaturdaysorSundayswhenIfeelbored.Iusuallyspendabout10hourschattingonline

everyweek,“shesaid.uButIrarelytalkwithstrangers,especiallyboysormen.”

Eventhoughshelikeschatting,sheiscarefulaboutmakingfriendswithstrangers

online.uYoudon'tknowwhoyouYetalkingto.Youshouldalwaysbecarefulaboutwhoyou

trustonline/5

Manypeoplewouldliketomeetofflinewhentheyfeeltheyhavegottoknowsomeone

verywell.Fox'sShadowoncemetoneofheronlinefriendsfacetoface.Itwasagirlwho

wasacomicfanlikeherselfandtheywenttoacomicshowtogether.

However,notallteenagershavebeensofortunate.Atthebeginningofthisyear,a

17-year-oldgirlinLiaoningProvincewasrapedaftermeetingafriendshehadfoundonQQ.

A16-year-oldBeijingboy,knownonlineasBartSimon,dislikesQQusers.ulusedto

chatonQQ,butIfoundthatmostpeopleweretalkingnonsense/1hesaid.Nowhechats

onlineinEnglish,usingMSN.ulonlychatonlinebecauseI'vegotfriendsinJapan,theU