2022-2023年甘肅省隴南市大學(xué)英語6級大學(xué)英語六級知識點匯總（含答案）學(xué)校:________班級:________姓名:________考號:________

一、2.ReadingComprehension(SkimmingandScanning)(20題)1.

Activitiessuchaspainting,dancingandsingingshouldnotberegardedas"play".

A.YB.NC.NG

2.

Tomakesurethatwelivenowon80%ofourincomeandinvesttheother20%,theauthorsuggestsapplyingtothebankfor______.

3.

Manyscientistsbelievedthattheycouldproduceananti-AIDSvaccinethatcouldbegiventopeopleto______thedisease.

4.

JimHatfielddecidedtobecomeado-it-yourselferwhen______.

5.

Onereasonwhycollegesincreasetuitionandfeesisthatthestatesupportisshrinking.

A.YB.NC.NG

6.

TodepositdirtymoneyinalegitimatepremiumlifeinsurancepolicyremainsasafewayforBritishdrugtraffickerstoevadesuspiciontoday.

A.YB.NC.NG

7.

WhatkindofstudentsdoesBillStroudteach?

A.9/11survivors.

B.Highschooljuniors.

C.Film-makingmajors.

D.Futureengineers,.

8.Topreventanemployee'spossiblevengefulbehaviours,Ms.Edwardsadvicestheemployerto

A.showrespectwhenlayingofftheemployee

B.restraintheemployee'sbehaviours

C.orderthesecuritytodrivetheemployeeaway

D.threatentotaketheemployeetocourt

9.

Traditionalradicalprostatectomy(前列腺切除術(shù)),whichwouldrequirean______andatleasttwodaysinthehospital.

10.StudioengineersbenefitgreatlyfromAuto-Tuneinthat______.

A.theynolongerneedtocorrectwrongnotes

B.ithelpsthemkeepsongssecretbeforegoingpublic

C.itistotallyfreeandthussavesthemlotsofmoney

D.theydon'thavetowastetimeonrecordingmusicagain

11.Tolimitwrongdoing,governmentshavelongbeentryingtocontrol______

12.

U.S.populationwillincreasefrom250millionin1990to349millionin2025,andthegrowthwillstopat______.

13.

Theorangutans'DNAis______tothehumans'.

14.

EmekBaskethasstudiedtheimpactofWal-Martontheretailersin______.

A.Americancounties

B.Europeantowns

C.Americanmetropolis

D.citiesallovertheworld

15.

TheoldvaluesandattitudesimpartedintotheyoungChineseAmericanseffectivelyhelpprevent______.

16.

Waterclocksweremostlyusedtodetermine______.

17.

Withmorepeoplecohabitingandevenrearingchildrenoutsidematrimony,______.

18.

Instillairdropsofwaterlargerthan0.008inchindiameterwouldfalltoearth.

A.YB.NC.NG

19.

SatelliteTVhasencounteredfiercecompetitionfromdigitalcable,whichalsohas

A.improvedpicturequality

B.extendedchannelselection

C.distortedsignal

D.bothAandB

20.Accordingtotheauthor,thevastmajorityofhumans______.

A.commitsomecrimesinlife

B.strugglehardbutfailtomakeendsmeet

C.generallysharethesamegoaloflife

D.havethesamelifestyle.regardlessofrace

二、3.ListeningComprehension(20題)21.

【B11】

22.

【B8】

23.(28)

A.Theyarechangedtomakethesitemoreinteresting.

B.Theyareexpandedtolimittheamountofconstruction.

C.Theyareintegratedintothedesignofthebuilding.

D.Theyareremovedforconstruction.

24.(40)

25.(21)

A.Shewenttherelastyear.

B.Hersisterworksthere.

C.Shelivesonlythirtyminutesawayfromthere.

D.Shegoesthereonregularbusinesstrips.

26.聽力原文：M:Dr.White,Iwaswonderingifyoucouldwritearecommendationletterforme.

W:Well.Icanwriteoneforyou.ButI'llpointoutyourlimitationsaswellasyourstrengths.1hopeyouwon'tmind.UsuallyIwon'tjustgivesomeoneatotallygoodappraisal.

Q:Whatisthewoman'sattitudetowardswritingtherecommendationletter?

(15)

A.Impatient.B.Serious.C.Enthusiastic.D.Nervous.

27.聽力原文：Thesoundofbirdscanbedividedinto3typesincludingsinging,cryingandvoiceimitating.Singingisnormallyacontinuousmulti-syllablemelodyutteredbythebirdsunderthecontrolofsexhormone.Somesortsofsingingarequitemelodiousandpleasant.Duringthebreedingcycle,thechangingandpleasantcriesutteredbymalebirdsaretypicalsingings.Singingisanimportantwayforabirdtodefenditsterritories,topronounceithasoccupiedaplaceandtowarnotherbirdsnottoenterthearea.Thesongsutteredbybirdsinsingingaremoredifferentandcomplicatedthantheircommoncries,whichmainlyhappeninthebreedingcycleinspringandsummer.Criesarenotcontrolledbysexhormoneandcanbeutteredbybothmaleandfemalebirds.Usuallycriesofbirdsareshortandsimple.Butthecriesofbirdscanmeanalot.Theyareusedtocommunicatewithoneanotherandtoinform.oneanotheraboutdangerousinformation.Thecriesofbirdscanexpresscalling,warning,surprisingandthreatening.Sometimesitisverydifficulttodistinguishcryingandsinging.Generallyspeaking,criesarenotaffectedbythechangeofseasonsandcanbeutteredbyallbirds;Cryingisanimportantwayforbirdstocommunicatewithoneanother.Voiceimitatingmeansabirdisimitatingthecryingorvoiceofotherbirds.Thebiologicalmeaningofvoiceimitatingisnotclearevennowanditishighlyprobablethatitwilltakealongtimeforpeopletodiscoverthemystery.

(33)

A.Singling,echoingandcrying.

B.Singing,echoingandvoiceimitating.

C.Echoing,cryingandvoiceimitating.

D.Singing,cryingandvoiceimitating.

28.聽力原文：M:IwassurprisedtoseeMaryusingthatrecordplayeryouweregoingtothrowaway.

W:Yes.Itisveryold.Thatshegotittoworkamazesme.

Q:Whatdoesthewomanmean？

(15)

A.NooneknowshowMarygetstowork.

B.Shedoesn'tthinktherecordplayerworks.

C.Shethrowstheoldrecordaway.

D.It'ssurprisingthatMarycouldrepairtherecordplayer.

29.

【B5】

30.(32)

A.Theincreasedpressure.

B.Breathing.

C.Thecoldnessandthedarkness.

D.Dangeroussealives.

31.SectionC

Directions:Inthissection,youwillhearapassagethreetimes.Whenthepassageisreadforthefirsttime,youshouldlistencarefullyforitsgeneralidea.Whenthepassageisreadforthesecondtime,youarerequiredtofillintheblanksnumberedfrom36to43withtheexactwordsyouhavejustheard.Forblanksnumberedfrom44to46youarerequiredtofillinthemissinginformation.Fortheseblanks,youcaneitherusetheexactwordsyouhavejustheardorwritedownthe

聽力原文：Hewasafunny-lookingmanwithacheerfulface,good-naturedandagreattalker.Hewasdescribedbyhisstudent,thegreatphilosopherPlato.as"thebestandmostjustandwisestman".YetthissamemanwascondemnedtodeathforhisbeliefsbyajurycomposedoftheleadingfiguresofthetimeinAthens.

ThemanwastheGreekphilosopherSocrates,andhewasputtodeathfornotbelievingintherecognizedgodsandforcorruptingyoungpeople.ThesecondchargestemmedfromhisassociationwithnumerousyoungmenwhocametoAthensfromalloverthecivilizedworldtostudyunderhim.

Socrates'methodofteachingwastoaskquestionsand,bypretendingnottoknowtheanswers,topresshisstudentsintothinkingforthemselves.HisteachingshadunsurpassedinfluenceonallthegreatGreekandRomanschoolsofphilosophy.Yetforallhisfameandinfluence,Socrateshimselfneverwroteaword.

Socratesencouragednewideasandfreethinkingintheyoung，andthiswasfrighteningtotheconservatives

inAthens.Theywantedhimsilenced.Yetmanywereprobablysurprisedthatheaccepteddeathsoreadily.

Socrateshadtherighttoaskforalessseverepenalty,andheprobablycouldhavepersuadedthejurytochangetheverdict.ButSocrates,asafirmbelieverinlaw,reasonedthatitwaspropertosubmittothedeathsentence.SOhecalmlyacceptedhisfateanddrankacupofpoisoninthepresenceofhisgrief-strickenfriendsandstudents.

Hewasafunny-lookingmanwithacheerfulface,good-naturedandagreattalker.Hewas【B1】______byhisstudent,thegreatphilosopherPlato.as"thebestandmostjustandwisestman".Yetthissamemanwas【B2】______todeathforhisbeliefsbyajurycomposedoftheleadingfiguresofthetimeinAthens.

ThemanwastheGreekphilosopherSocrates,andhewasputtodeathfornotbelievingintherecognizedgodsandfor【B3】______youngpeople.Thesecondchargestemmedfromhis【B4】______withnumerousyoungmenwhocametoAthensfromalloverthe【B5】______worldtostudyunderhim.

Socrates'methodofteachingwastoaskquestionsand,by【B6】______nottoknowtheanswers,to【B7】______hisstudentsintothinkingforthemselves.Histeachingshad【B8】______influenceonallthegreatGreekandRomanschoolsofphilosophy.Yetforallhisfameandinfluence,Socrateshimselfneverwroteaword.

Socrates【B9】______inAthens.Theywantedhimsilenced.Yetmanywereprobablysurprisedthatheaccepteddeathsoreadily.

Socrates【B10】______.ButSocrates,asafirmbelieverinlaw,reasonedthatitwaspropertosubmittothedeathsentence.【B11】______.

【B1】

32.SectionA

Directions:Inthissection,youwillhear8shortconversationsand2longconversations.Attheendofeachconversation,oneormorequestionswillbeaskedaboutwhatwassaid.Boththeconversationandthequestionswillbespokenonlyonce.Aftereachquestiontherewillbeapause.Duringthepause,youmustreadthefourchoicesmarkedA,B,CandD,anddecidewhichisthebestanswer.

聽力原文：W:Howdidyourinterviewgo?

M:Icouldn'tfeelbetteraboutit.ThequestionswereveryfairandIseemedtofindanswersforallthem.

Q:Howdoesthemanfeelabouttheinterview?

(12)

A.Heisconfident.

B.Heisworried.

C.Heisbored.

D.Heisangry.

33.SectionC

Directions:Inthissection,youwillhearapassagethreetimes.Whenthepassageisreadforthefirsttime,youshouldlistencarefullyforitsgeneralidea.Whenthepassageisreadforthesecondtime,youarerequiredtofillintheblanksnumberedfrom36to43withtheexactwordsyouhavejustheard.Forblanksnumberedfrom44to46youarerequiredtofillinthemissinginformation.Fortheseblanks,youcaneitherusetheexactwordsyouhavejustheardorwritedownthe

Thereareabout105malesbornforevery100females,butthis(36)______dropstonearbalanceattheageofmaturity,andamong70-yearoldstherearetwiceasmanywomenasmen.Butthegreatuniversalofmale(37)______isbeingchanged.Now,boybabies(38)______almostaswellasgirlsdo.Fiftyyearsago,thechanceofababy(particularlyaboybaby)survivingdependedonitsweight.Akilogramtoolightortooheavy(39)______almostcertaindeath.Todayitmakesalmostno(40)______.Sincemuchofthevariationisduetogenes,onemoreagentofevolutionhasgone.

Thereisanotherwayto(41)______evolutionarysuicide:stayalive,buthavefewerchildren.Fewpeopleareas(42)______asinthepast.Nowadaysthenumberofbirths,liketheageofdeath,hasbecome(43)______.Again,(44)____________.

Forus,thismeansthatevolutionisover;thebiologicalUtopiahasarrived.Strangely,ithasinvolvedlittlephysicalchange.Nootherspeciesfillssomanyplacesinnature.(45)____________.Wedidnotevolve,becausemachinesandsocietydiditforus.Darwinhadaphrasetodescribethoseignorantofevolution:they"lookatanorganicbeingasasavagelooksataship,asatsomethingwhollybeyondhisComprehension."Nodoubtwewillremembera20thcenturywayoflifebeyondcomprehensionforitsugliness.(46)____________.

34.SectionA

Directions:Inthissection,youwillhear8shortconversationsand2longconversations.Attheendofeachconversation,oneormorequestionswillbeaskedaboutwhatwassaid.Boththeconversationandthequestionswillbespokenonlyonce.Aftereachquestiontherewillbeapause.Duringthepause,youmustreadthefourchoicesmarkedA,B,CandD,anddecidewhichisthebestanswer.

(12)

A.Becauseshefeelsveryhotintheroom.

B.Becauseshewantstoavoidmeetingpeople.

C.Becauseshewantstosmokeacigaretteoutside.

D.Becauseshedoesn'tlikethesmellinside.

35.聽力原文：W:Here'sthisweek'sschedule.OnMonday,there'stheboardmeeting.YourspeechattheLion'sClubonTuesday.Then,onWednesday,you'resupposedtoseethedentist.

M:I'mgladIdon'thavetotraveltothebusinessconferenceuntilnextweek.

Q:WhatwillthemandoonTuesday?

(19)

A.Hemustseethedentist.

B.Hemustgiveaspeech.

C.Hehasameetingtoattend.

D.Hemusttraveltoabusinessconference.

36.(31)

A.Theyweresilent.

B.Theydidn'ttellacompletestory.

C.Theyweretooexpensive.

D.Theyweretooshort.

37.SectionA

Directions:Inthissection,youwillhear8shortconversationsand2longconversations.Attheendofeachconversation,oneormorequestionswillbeaskedaboutwhatwassaid.Boththeconversationandthequestionswillbespokenonlyonce.Aftereachquestiontherewillbeapause.Duringthepause,youmustreadthefourchoicesmarkedA,B,CandD,anddecidewhichisthebestanswer.

聽力原文：M:NOW.Miss,doyoufeelallrightnow?Whathappened?

W:Yes.I'mfinenow.Iwasjustatthemotorway.IwasdrivingalongthemainroadandwhensuddenlyrightheforethecrossroadsImetthecarcameoutatthesidestreet.Ididn'tseeituntilithitme.

Q:Wherewastheothercar?

(12)

A.Inthesidestreet.

B.Atthecrossroads.

C.Onthemainroad.

D.Onthemotorway.

38.

【B9】

39.

【B3】

40.聽力原文：M:Excuseme,canyoutellmehowtogettothelibrary?

W:Well,doyouknowwhereOlympicStreetis?

Q:Whatdoesthewoman'squestionindicate?

(16)

A.Shedoesn'tknowwherethemanwent.

B.Shedoesn'tknowhowtogettothelibrary.

C.Shecangivethemandirections.

D.ShewantstofindoutwhereOlympicStreetis.

三、4.ReadingComprehension(ReadinginDepth)(20題)41.

Behaviorismbasicallybelievesin______.

A.motivationB.performanceC.rewardsD.humanfactors

42.SectionB

Directions:Thereare2passagesinthissection.Eachpassageisfollowedbysomequestionsorunfinishedstatements.ForeachofthemtherearefourchoicesmarkedA,B,CandD.Youshoulddecideonthebestchoice.

TherehewasAmerica'sfirstPresidentwithaMBA,themanwholovestoboastabouthisbusinessbackground,whosepresidentialcampaignraisedunprecedentedsumsfromcorporatewalletsandwhosecabinetisstuffedwithchiefexecutives.Buthesaidfiercely,byexecutives"breachingtrustandabusingpower".Itwastimefor"anewethicofpersonalresponsibilityinthebusinesscommunity".Hewasgoingto"endthedaysofcookingthebooks,shadingthetruthandbreakingourlaws".

Onlymonthsago,theideathatGeorgeWBushwouldpubliclylambasteAmerica'scooperatebosseswaslaughable.Asacandidate,borneonthewaveofadecade-longeconomicboomandanunprecedented18-yearbullmarket,hecashedinonAmerican'sloveaffairwithcorporatesuccess.Butthingsaredifferentnow.Thestockmarketbubblehasburstand,despitesignsofeconomicrecovery.WallStreetseemstobesunkingloom.AstringofscandalsatsomeofAmerica'smosthigh-flyingfirms--includingEnron,Xerox.Tyco,GlobalCrossingandmostrecently,WorldCom--hasradicallychangedthepublicmood.

Aspoliticalpressureforreform.increases,sotoodoestheheartonMr.Bush.Isthebusinessman'spresidentreallypreparedtotakebusinessonandpushhardforreform?DespitethesetjawandaggrievedtoneinNewYork.Probablynot.Mr.Bushthinksthecurrentcrisisstemsfromafewbad-applechiefexecutivesratherthanthesystemasawhole.Hencehisfocusontoughpenaltiesforcorruptbusinessmenandhispleaforhigherethicalstandards.Thepresidentannouncedthecreationofafinancial-crimesSWATteam,attheJusticeDepartmenttorootoutcorporatefraud,andwantstodoublethemaximumprisonsentenceforfinancialfraudfromfivetotenyears.Butheofferedfewconcretesuggestionsforsystemicreform.littlementionofchangestostrengthenshareholders'rights,notevenanendorsementoftheSenatecorporate-reform.bill.

TherearefewsignsyetthatcleaningupcorporateAmericaisanissuethatanimatesthevoters.PollsshowthatAmericanshavelittlefaithintheirbusinessleaders,butpoliticiansdonotseemtobesufferingasaresult.Mr.Bush'sapprovalratingshavefallenfromtheirsky-highs,buttheyarestillverystrong.

Thepresident,therefore,needdonomorethantalktough.ThisalonewillconvinceordinaryAmericansthatheisontopoftheissue.Astheeconomyreboundsandpublicoutagesubsides,theclamorforchangewillbequieter.Democraticattackswillfizzle,andfar-reachingreform.billswillbewatereddownbeforetheybecomelaw.Politically,thegamblemakessense.UnfortunatelyforAmericancapitalism,agreatopportunitywillbemissed.

WecaninferfromthethirdparagraphthatMr.Bush______.

A.didn'tintendtotakebusinessonandpushhardforreform

B.didnotdoanythingatallforthepresenceofthecurrentsituation

C.tookshareholders'rightintoaccount,buthedidn'tapprovereform.bill

D.tooksomemeasurestopavethewayforthereform

43.(56)

44.

AccordingtothePara.2,whenitcomestogapyears,______.

A.thepopularityofgapyearsresultsfromanincreasingnumberofcharities

B.PrinceWilliamwasworkinghardduringhisgapyear

C.gapyearsarcnotasfashionableastheyweretenyearsago

D.awell-structuredgapyearisaguaranteeofuniversitysuccess

45.

Exposuretoallmediaisimportantbecausetheyallcontributematerialsfor______.

46.Theestimatesofthenumbersofhome-schooledchildrenvarywidely.TheU.S.DepartmentofEducationestimatesthereare250,000to350,000home-schooledchildreninthecountry.Homeschooladvocatesputthenumbermuchhigherataboutamillion.

Homeschooladvocatestakeaharshattitudetowardhomeschoolers,perceivingtheiractionsastheultimateslapinthefaceforpubliceducationandadamagingmoveforthechildren.Homeschoolersharborfewkindwordsforpublicschools,chargingshortcomingsthatrangefromlackofreligiousperspectiveinthecurriculumtoaherdlikeapproachtoteachingchildren.

Yet,aspublicschoolofficialsrealizetheystandlittletogainbyremaininghostiletothehomeschoolpopulation,andashomeschoolersrealizetheycanreapbenefitsfrompublicschools,thesehardlinesseemtobesofteningabit.

Publicschoolsandhomeschoolershavemovedclosertotoleranceand,insomecasesevencooperation.SaysJohnMarshall,aneducationofficial,"wearebecomingrelativelytolerantofhomeschoolers.Theideais,let'sgivethekidsaccesstopublicschoolsothey'llseeit'snotasterribleasthey'vebeentold,andthey'llwanttocomeback."Perhaps,butdon'tcountonit,sayhomeschooladvocates.

Homeschoolersopposethesystembecausetheyhavestrongconvictionsthattheirapproachtoeducation--whetherfueledbyreligiousenthusiasmortheindividualchild'sinterestandnaturalpace--isthebest."Thebulkofhomeschoolersjustwanttobeleftalone.”SaysEngeCannon,associatedirectoroftheNationalCenterForHomeEducation.Shesayshomeschoolerschoosethatpathforavarietyofreasons,butreligionplaysarole85percentofthetime.

ProfessorVanGalenbreakshomeschoolersintotwogroups.Somehomeschoolerswanttheirchildrentolearnnotonlytraditionalsubjectmatterbutalso"strictreligiousdoctrineandaconservativepoliticalandsocialperspective".Notincidentally,theyalsowanttheirchildrentolearn--bothintellectuallyandemotionally--thatthefamilyisthemostimportantinstitutioninsociety."Otherhomeschoolerscontend"notsomuchthattheschoolsteachheresy,butthatschoolsteachwhatevertheyteachinappropriately."VanGalenwrites."Theseparentsarehighlyindependentandstrivetotakeresponsibilityfortheirownliveswithinasocietythattheydefineasbureaucraticandinefficient.

Whichofthefollowingstatementsistrue?

A.Homeschoolersengageprivateteacherstoprovideadditionaleducationfortheirchildren.

B.Homeschoolersdon'tgotoschoolbutareeducatedathomebytheirparents.

C.Homeschoolerseducatetheirchildrenathomeinsteadofsendingthemtoschool.

D.Homeschoolersadvocatecombiningpubliceducationwithhomeschooling.

47.

Whatarethetwofactorsthatleadtotropicaltreescoolingdowntheland?

48.

Byimitatingapersontohisliking,thechildtendstobecome______.

49.

Accordingtotheannualresearchreport,______.

A.theareawheremencanhaveaslightadvantagehasincreased

B.theareawheremencanshowtheirtalentshasdecreased

C.theareawherewomencanmakefulluseoftheirtalentsisexpanded

D.theareawherewomencannotcompetewithmenisreduced

50.

Intheeyesoftheauthor,theidealivingondebtiswellgroundedjustas______.

51.

ProfessorJamesWestphal'sstudysuggeststhat______.

A.boardroomreformshavefailedtoachievethedesiredresult

B.outsideboarddirectorstendtobemoreindependent

C.withaboardroomfullofoutsiders,seniormanagersworkmoreconscientiously

D.cooperationbetweenseniormanagersandboarddirectorssufferedfromthereforms

52.

Wherewastheauthor'sfatherduringthewar?

A.Hewenttraveling.

B.Hewasworkinginanothertown.

C.Hewasontonbusiness.

D.Hewasfightinginthefront.

53.

Accordingtoparagraph5,toshareaccesstotheinternetis______forpeopleinacompany.

54.

Thetoneofthepassagecanbestbedescribedas______.

A.hypotheticalB.humorousC.exaggerativeD.philosophical

55.Tasimelteonandmelatoninhavethesimilareffectbecausetheyconnectwith______.

56.Peopletalkedaboutapromisingidea:usingtheelectricalwiringalreadyinthehousetomovedatafromroomtoroom.Oneearlyapplication,theX10systemforcontrollinglightsandappliances,didn'talwaysworkwell.Thetechnologywascertainlynotreadytobeusedtobringwebpagestocomputersanywhereinthehouse.

Alongcamethewirelessnetwork.For$50,youcouldgettheInternetsprayedacrossthehouseandneverbeconfinedbyacordtothewall.Itwasslowinthoseearlydays,veryunreliable,andopentointerruptionifyoucouldn'tbotherwithsettinguptheencodedpasswords.

Butitcaughton.AccordingtoestimatesmadebyParksAssociates,amarketresearchfirmbasedinDallas,about12.5millionhomesnowhavewirelessnetworks;another10millionhomes,mostlynewerones,haveEthernet(以太網(wǎng)).

Cheapandprevalentisahardcombinationtobeat.However,technologycompaniescontinuedtoworkontheidea.AversionforpowerlinescalledHomePlugcameoutin2002,andwhileithardlyaffectedsalesofwirelessnetworkequipment,itsoldenoughthatmajorcompanieslikeIntel,Cisco,Sony,SharpandComcastcreatedtheHomePlugAlliancetopushfornext-generationproducts,withthefirsttocomeoutlaterthisyear.

Somecompaniesarenotwaiting.Panasonic,Netgear,Marantzarealreadyofferingproductsthatwillmovedatathroughhomeelectricallinesfasterthanrouters(路由器)usingthecurrentWi-Fistandardforwirelessnetworking.

PanasonicstartedsellingitsHD-PLCEthernetadaptersforpowerlineslastmonth.OneadapterisattachedtoarouterwithashortEthernetcableandpluggedintoanearbywallsocket.Theseconddeviceispluggedintoasocketelsewhereinthehouse.WhenacomputerislinkedtoitwithanEthernetcable,dataistransmittedthroughthehome'selectricalwiringatspeedsofupto190rnegabits(兆位)asecond.

Netgearwillbesellingasimilarsystemnextmonthforabout$300.Itmovesdataataslightlyfasterrate.

MarantzsaysitsZR6001SPreceiverwillsendmusictospecialspeakersinanotherroomoverpowerlines.Thesystemincludesbothdevices.ThemusiclistenercontrolsthereceiverandtheCDplayersconnectedtoitfromacontrolpadonthespeakers.

Theseproductsseemhopelesscandidates.Whowouldliketopaytwoorthreetimesexpensivethanwirelessnetwork?Theanswerliesinsimplicity."It'swhymostpeopleneedus,"Robertsaid,notingthecomplexityofinstallingawirelessnetworkisevidentbythefactthatreturnratesonwirelessnetworkingdevicesdroptonearlyzero.Thethreeproducts'makerssaidthatpeoplewhocannotgetwhole-housecoveragewithawirelesssystemorthoseplaguedbydeadzonesmightfinditappealing.

Thepromisingideamentionedinthefirstparagraph_______.

A.hasmaturetechnologytosupportit

B.hasastableearlyapplication—theX10system

C.istotransmitdatabypowerlineswithinthehouse

D.fosteredproductswhichaffectedwirelessnetwork

57.

Amongdifferentlayersofsecurityapproachatairports,whichoneisgrowingmoreimportant?

58.

Sleepisdescribedas______.

A.agradualpartingfromtherealworld

B.undisturbedbytensionorproblems

C.drowninginanoceanofdarkness

D.dependentonlyUponindividualageandhealth

59.SectionB

Directions:Thereare2passagesinthissection.Eachpassageisfollowedbysomequestionsorunfinishedstatements.ForeachofthemtherearefourchoicesmarkedA,B,CandD.Youshoulddecideonthebestchoice.

Nowadays,nodocumentissafeanymore.Counterfeiting.oncethedomainofskilleddeceiversthatusedexpensiveengravingandprintingequipment,hasgonemainstreamsincethepriceofdesktoppublishingsystemshasdropped.Inancienttimes,counterfeitingwasahangingoffence.Today,desktopcounterfeitershavelittlereasontoworryaboutprison,becausethesystemstheyuseareubiquitous(普遍存在的)andthereisnomeansoftracingforgeddocumentstothemachinethatproducedthem.This,however,maysoonchangethankstotechnologydevelopmentbyGeorgeChiu,ananti-counterfeitingengineer.

Hisapproachisbasedondetectingimperfectionsintheprintqualityofdocuments.Old-schoolscientistswereabletotracedocumentstoparticulartypewritersbasedonquirks(構(gòu)槽)oftheindividualkeys.Heemploysasimilarapproach,exploitingthefactthattherotating(轉(zhuǎn)動)drumsandmirrorsinsideaprinterareimperfectpiecesofengineeringwhichleaveuniquepatternsofbandingintheirproducts.

Althoughthesepatternsareinvisibletothenakedeye,theycanbedetectedandanalyzedbycomputerprograms,anditisthesepatternsthatDr.Chiuhasspentthepastyeardevising.Sofar,hecannottraceindividualprinters,buthecantellprettyreliablywhichmakeandmodelofprinterwasusedtocreateadocument.

That,however,isonlythebeginning.Whileitremainstobeseenwhetheritwillbepossibletotraceacounterfeitdocumentbacktoitsguiltycreatoronthebasisofmanufacturingimperfections,Dr.Chiuisn