最新现代大学英语听力3原文及答案unit9教学文案.docx

最新现代大学英语听力3原文及答案unit9教学文案.docx

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最新现代大学英语听力3原文及答案unit9教学文案

Unit9

Task1

【答案】

Panel

Opinions

1stpenallist:

PhilipBarnes

Computershavealreadychangedourlives.

2ndpenallist:

MissAnderson

Computershavechangedourlives,butIdon'twantmylifechanged.

3rdpenallist:

ArthurHaines

Thecomputerwillaffecteveryoneintheworld.Recordscanbekeptof

everythingwedo.Recordswillbekeptofallourprivatelives.Thecomputer

isthegreatestdisasterofthe20thcentury.

4thpenallist:

PhyllisArcher

Thecomputerisamachine.Itwasinventedbypeople;itisusedbypeople.If

thecomputerisadisaster,thenpeopleareadisaster.

【原文】

Compere:

Andnowforourfirstquestion.ItcomesfromMrs.JuneMoore.Mrs.Moore?

Mrs.Moore:

Doesthepanelthinkthatcomputerswillchangeourlives?

Compere:

Mrs.Moorewantstoknowifcomputerswillchangeourlives.PhilipBarnes?

PhilipBarnes:

Computershavealreadychangedourlives.Businessismoreefficient.Planesandtrainsprovideabetterservice...

MissAnderson:

Justamoment,Mr.Barnes.Youmayberightaboutbusiness,buthowmanypeoplehavelosttheirjobsbecauseofcomputers?

Computershavechangedourlives,butIdon'twantmylifechanged.

ArthurHaines:

Excuseme,MissAnderson.We'retalkingaboutourlives,notyourlife.Thecomputerwillaffecteveryoneintheworld.Recordscanbekeptofeverythingwedo.Recordswillbekeptofallourprivatelives.Inmyopinion,thecomputeristhegreatestdisasterofthe20thcentury.

PhyllisArcher:

CouldIinterrupt?

ArthurHainessaysthecomputerisadisaster,butthecomputerisamachine.Itwasinventedbypeople;itisusedbypeople.Ifthecomputerisadisaster,thenpeopleareadisaster.

Compere:

Thankyou,PhyllisArcher.Thankyou,panel.Andthankyou,Mrs.Moore.

Task2

【答案】

A.

1）Itincludesa9-inchTVscreen,akeyboardwith46numbersandcharactersonit,aprinter,andtwodiskdrives.

2）It'sallcontainedrightonthefloppydisk.

3）It’smuchbetterthanatypewriterinthatonecanmovewordsorsentencesfromplacetoplaceormakecorrectionsorchangesrightonthescreen,andneverhavetoeraseonpaper.

4）Itcanhelphimmakeamonthlybudgetforhishouseholdwithelectronicspreadsheetsoftware.

B.

1）loadsyourprogramintothemachine

2）typewriter,typewriter,

3）turningthecomputeronandloadingaprogram

4）thedifferentthingstheprogramcando

【原文】

Narrator:

ForHarveyVanRunkle,itwasloveatfirstsight,orshouldwesay,loveatfirstbyte?

Really,itis64,000bytes—that'sthesizeofthememoryonhisnewBANANA-3personalcomputer.Itallhappenedbyaccident.Hiswife,Charlotte,hadsenthimouttobuyanewtoaster,whenhefoundhimselfstandinginfrontofacomputerdisplayattheBANANAComputerStore.

Salesman:

Yes,ladiesandgentlemen,thislittlecomputerisgoingtochangeyourlives.Justconsiderthehardware:

Youhavea9-inchTVscreen.That’syourvideodisplayterminal.Youhaveakeyboardwith46numbersandcharactersonit.Youhaveaprinterthatwillgiveyoupaperprintoutsofyourworkinthreecolors.Youhavetwodiskdrives—oneinsidethecomputerterminalandoneoutside.Thiscomputercandoanything!

Nowlet’shavealittledemonstration.WhowouldliketotrythenewBANANA-3computer?

You,sir.Youlookinterested.SteprightupandtrytheBANANA-3.

Harvey:

What'sad-diskdrive?

Salesman:

That'sthepartofthecomputerthatloadsyourprogramintothemachine.

Harvey:

Oh.What'saprogram?

Salesman:

Theprogram?

That'syoursoftware.That'stheinstructions.It'sallcontainedrightonthisfloppydiskhere.Theinstructionsonthisdisktellthecomputerwhattodo.

Harvey:

Oh,youmeanlikemywife.Shealwaystellsmewhattodo.

Salesman:

Exactly.Nowwhattypeofprogramwouldyoulike?

Ihavewordprocessing,Ihaveelectronicspreadsheet...

Harvey:

What'swordprocessing?

Salesman:

Wordprocessingisusingthecomputerlikeatypewriter.Butit'smuchbetterthanatypewriter.Youcanmovewordsorsentencesfromplacetoplaceormakecorrectionsorchangesrightonthescreen.Youneverhavetoeraseonpaper.It'sawonderfullittleprogram!

Wouldyouliketotryit,Mr...

Harvey:

VanRunkle.HarveyVanRunkle.I'veneverusedacomputerbefore...

Salesman:

It'seasy.Firstwestartupthemachine,andthenbootupaprogram.

Harvey:

Bootup?

Salesman:

That'scomputertalkforturningthecomputeronandloadingaprogram.There.Nowwelookatthemenu.

Harvey:

Menu?

ButIjusthadlunch.I'mnothungry.

Salesman:

No,no.Thisisaprogrammenu,notarestaurantmenu.Itshowsthedifferentthingstheprogramcando.Forexample,herewehave"file".Ifyouselectfile,youcanchoosewhichofyourdocumentsyouwanttoworkon.Andhere’s“edit”.Thisgivesyouwaystocorrectyourdocument.

Harvey:

Gee,thisisgreat!

There'sonlyoneproblem.

Salesman:

What'sthat?

Harvey:

Idon'thaveanydocuments.I'maplumber.

Salesman:

Butyouhavebills,don'tyou?

Harvey:

Yeah,but...

Salesman:

Well,withourelectronicspreadsheetsoftware,youcanmakeamonthlybudgetforyourhousehold.

Harvey:

No.Mywife,Charlotte,doesthat.

Salesman:

Well,nowyoucandoit,Harvey.

Harvey:

Idon'tknow...

Salesman:

Andyouhavefriends,don'tyou?

Harvey:

Yeah,wellthere'smybrother-in-lawBob...

Salesman:

Great!

YoucanwriteletterstoBobonyournewBANANA-3computer!

Harvey:

Okay.Howmuchisit?

Salesman:

Nevermind.Doyouhaveacreditcard?

Harvey:

Well,sure...

Salesman:

Great.Joe,getHarveyheresignedup,willyou?

HewantsaBANANA-3withaprinterandsoftware.Okay,steprightup,ladiesandgentlemen.Thiscomputercandoanything!

Task3

【答案】

A.

1）Theyareimportantbecausetheyareabletomeasurequantitiessuchaselectricityandtemperature.

2）Digitalcomputers.

3）Onlyonepersonatatimecanusethem.

4）Itisbecausetheirownersdonotspendenoughtimelearninghowtooperatethemefficiently.

5）Eachpersonwhousesaminicomputerhasacomputerterminalthatisconnectedtotheminicomputerbyinterfacewires.Withthehelpoftheoperatingsystem,theCPUisabletodivideitstimeandperformforalltheusers.

B.

SimilaritiesandDifferencesbetweenMicrocomputersandMinicomputers

Similarities

1．Theyaretwokindsofcommondigitalcomputers.

2．Bothofthemcanbeusedinsmallbusinesses.

3．EachcomputerhasonlyoneCPU.

Differences

1.Minicomputersarelargerthanmicrocomputers.

2.Microcomputersareusedmorefrequentlyinlargeofficesandbusinessesthaninsmallbusinesses.

3.Morethanonepersoncanuseaminicomputeratthesametime.

【原文】

Therearetwoprimarykindsofcomputers:

analogcomputersanddigitalcomputers.Unlessyouareascientist,youprobablywillnotuseanalogcomputers.Thesecomputersareimportantbecausetheyareabletomeasurequantitiessuchaselectricityandtemperature.

Incontrast,digitalcomputersperformtheirtasksbycounting.Somedigitalcomputersarebuilttohelpsolveonlyaspecifickindofproblem.Forexample,digitalcomputersthatmonitorairplanesflyinginandoutofairportsarebuiltonlyforthattask.Mostdigitalcomputers,though,canbeusedtohelpsolvemanykindsofproblems.Amongthem,microcomputersandminicomputersaretwokindsofcommondigitalcomputers.

Microcomputers,alsocalledpersonalcomputers,arethenewestcomputers.Manyareaboutthesizeofaverysmalltelevisionset.Some,however,aresosmallandlightthatpeoplecancarrythemeasilyonbusinesstrips.Becausecomputermanufacturersproduceanenormousamountofcomputerhardware,itispossibleforanyonetoownanduseamicrocomputer.Therefore,wenowseethesemachinesinmanyhomes,schools,andbusinesses.Thereisonedisadvantagetothesecomputers,though.Onlyonepersonatatimecanusethem.Also,manypeoplewhobuymicrocomputersdonotunderstandwhatthesemachinescanandcannotdo.Someexpertssaythatalmosthalfofallmicro-computersarenotusedoftenbecausetheirownersdonotspendenoughtimelearninghowtooperatethemefficiently.

Likemicrocomputers,minicomputersareusedinsmallbusinesses.However,theyarelargerthanmicrocomputersandareusedmorefrequentlyinlargeofficesandbusinessesthaninsmallbusinesses.Anotherdifferenceisthatmorethanonepersoncanuseaminicomputeratthesametime.Wecallthistime-sharing.Someminicomputerscanhavemorethanahundredpeopletime-sharingthem.Eachpersonwhousesaminicomputerhasacomputerterminalthatisconnectedtotheminicomputerbyinterfacewires.Buteventhoughmorethanonepersoncanuseaminicomputer,thecomputerhasonlyoneCPU.Withthehelpoftheoperatingsystem,theCPUisabletodivideitstimeandperformforalltheusers.

Task4

【答案】

A.

1）Itwasn'tthetypicallowmechanicalvoicethatsoundedlikearecordbeingplayedattooslowaspeed.Itsoundednatural.Ithadcharmtoit.

2）Lupahadonceheardthatevenasophisticatedanalogcomputercouldn'tpickupcertainsubtletiesintheEnglishlanguage,nomatterhowgoodtheprogrammingis.

3）WhenLupastoodupandwalkedaroundtheroom,itwasevidenttoherthatsomewhereinthebuilding,listeningthroughanintercomwassomeonewithamicrophone.

B.

1）They'rerunningacontest.Thekidsaresupposedtonameme.I'mdreadingthewholething,believeme.

2）Youknowsomething;Ithoughtyou'dbedifferent.JustoncetodayIwashopingI'dgetsomeonewhowouldn'ttrytobeattheprogram.

3）Youwouldn'thappentoknowwhatdayoftheweekSeptemberthefourteenth,1321,fellon,wouldyou?

ItwasaSunday;buthowdoyouknowwhetherI'mright?

Thankyouforvisitingthecomputerexhibit.

【原文】

Lupalaughed.Shelikedthevoicethathadbeen