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2022-2023年云南省丽江市大学英语6级大学英语六级重点汇总(含答案)学校:________班级:________姓名:________考号:________
一、2.ReadingComprehension(SkimmingandScanning)(20题)1.
AstotheNewfoundlandfisherycollapse,itislessatragedyofthegeneralpublicthanatragedyof______.
2.
Prisontermstobeservedonweekendsonlyare______.
3.
Whentheinterviewerasksthequestionsaboutthepreviousboss,hewantstofindoutwhethertheintervieweeswould______.
4.
Invitrofertilizationiscompletedinalabandthefertilizedeggissurgicallyimplantedinthewomb.
A.YB.NC.NG
5.
Accordingtotheauthor,EuropeansandthoselikethembelievethatwiththesupportofRussiaandChina,Iraq,NorthKoreaandCubawilleventuallygiveuptheir,effortstocarryouttheirnuclearprograms.
A.YB.NC.NG
6.
LaterinlifeNixonwasoftenproudofhiselementaryschoolteacherMissGeorgebecausesheheldthathehadaphotographicmind.
A.YB.NC.NG
7.
AccordingtoWinston,themethodsof"leveraging"canhelppeople_______.
8.
Toseedetailsofanitemforauction,youmaygotothe_______________sectiononauctionpage.
9.
PizzaHut'smarketsharehasslowlybecomesmallbecauseof______since1996.
A.intensecompetitionfromtheirrivals
B.depression
C.nodiversification
D.nothavingcompetitiveadvantages
10.AlthoughmanysongsinNorahJones'salbumwereoutoftune,Andersonwouldrathermakeno______tothesongs.
11.
Peoplefacingchallengesareunlikelytoachievecreativeideas.
A.YB.NC.NG
12.
Communicationchallengesresultfromdifferencesin______.
13.
WildGiantPandasaresolelyfoundinSichuan,andthesouthwesternpartsofGansuandShanxiprovinces.
A.YB.NC.NG
14.
The3Mtagline"Innovation"isconsideredgreat,foritmanagestoblendinthelinetheir______.
15.
______Paulfirstsawthefaceofthemanwantedbythepolice.
16.
Ifyouknowhowmanycarbohydrates,fatsandproteinsareinanygivenfood,youknow
A.howmuchenergythatfoodcontains
B.thecompilationofthesethreebuildingblocks
C.howtheenergyisacquired
D.wheredoesthefoodcomefrom
17.
Inthecaseofnegotiatingdivorce,anegotiatorisaskedtoconform.totheprincipleof______.
18.Whatdoestheresultofthefacechoosingexperimentsreveal?
A.Peoplecouldexplainwellwhytheymadetheirchoices.
B.Onlyafewofparticipantshadchoiceblindnessinmakingdecision.
C.Usuallyparticipantswereawareofthelimitsoftheirskills.
D.Mostparticipantsdidn'trealizethattheirchoiceshadbeenswitched.
19.
Tocertainextent,GMcropsareregardedas______sincethegeneinsertedintoaplantcannotbeseen,tastedortouched.
20.
Manyfamilylawadvisorsofferlegaladviceforcouplesindivorceissueswithacomparativelylowfee.
A.YB.NC.NG
二、3.ListeningComprehension(20题)21.听力原文:Weallscreamforwaterwhenthirsty.Butdoyouknowthatinveryhotdryweather,plantsalsomakefaintsoundsasiftheyamcryingoutforhelp?Yousee,inaplant'sstem,therearehundredsofwaterpipesthatbringwaterandmineralsfromthesoilallthewayuptotheleaves.Asthegroundturnsdry,itbecomesharderandharderfortheplantstodothis.Inseveredroughts,plantshavetofighttopulloutanywateravailable.ScientistRobertWinterhasfoundoutthatwhenitisreallybad,theirwaterpipessnapfromthetensionlikerubberbands.Whenthathappens,thewholeplantvibratesalittle.Thesnappingpipesmakenoisestenthousandtimesmorequietthanawhisper.
Robertknowsthathealthywell-wateredplantsarequiet.Healsoknowsthatmanyinsectspreferaattackingdryplantsratherthanhealthyplants.Howdotheinsectsknowwhicharehealthyplantsandwhicharenot?Robertthinksthattheinsectsmaylistenfortheplantsthatcry,andthentheymaybuzzinmkill.Totesthistheory,Robertisusingadevicethatcanimitateplantcries.Heattachesittoaquiethealthyplantsothattheplantsoundsthirsty.Thenhewatchestheinsectstoseefftheyattackmoreoftenthanusual.Ifheisfight,scientistscouldusetheinsects'abilityagainstthem.Theycouldbuildtrapsthatimitatecryingplants,sothatwhentheinsectsbuzzintoeat,theywon'tbuzzout.
(30)
A.Theygiveoutfaintcries.
B.Theymakenoisestodriveawayinsects.
C.Theyextendtheirwaterpipes.
D.Theybecomeelasticlikerubberbands.
22.(13)
A.Bothgamesareplayedworldwide.
B.Chessismoredifficult.
C.Bothgamescanbelearntbychildren.
D.Hecan'tcomparethetwogames.
23.SectionB
Directions:Inthissection,youwillhear3shortpassages.Attheendofeachpassage,youwillhearsomequestions.Boththepassageandthequestionswillbespokenonlyonce.Afteryouhearaquestion,youmustchoosethebestanswerfromthefourchoicesmarkedA,B,CandD.
听力原文:Beforewebeginourdiscussionoftoday'stopic,I'dliketopointoutafewimportantfeaturesonthesyllabus.First,pleaselookatthecalendar.Asyousee,wewillbemeetingforfifteenweeks.ThelastweekofNovemberwewillnotmeetbecauseoftheThanksgivingholiday.But,alloftheotherdatesarelisted,alongwiththereadingassignmentsinyourtextbook.Ingeneral,itisbettertoreadtheassignedpagesbeforeyoucometoclasssothatyouwillbepreparedtoparticipateinthediscussionthatfollowsthelecture.
Now,let'slookatthecourserequirements.Asyousee,youhaveamidtermexaminationthelastweekofOctober,andafinalexaminationthesecondweekofDecember.Themidtermisworththirtypointsandthefinalisworthfiftypoints.Thatleavestwentypointsfortheprojectthatyouwillbeworkingon,andyouhaveseveralchoicestofulfillthatrequirement.Youcaneitherwriteapaperormakeahalf-hourpresentationonatopicofyourchoice.We'llbetalkingabitmoreabouttheprojectsinthenextseveralweeks.Oh,yes,youwillnoticethatIdon'tfactorattendanceintothegrade,butIdoexpectyoutobehere.Ifyoumustmissclassforwhateverreason,pleasegetintouchwithme.Myofficehoursarelistedonthesyllabus,alongwithmyvoicemailnumberandmyemailaddress.
(27)
A.Readthembeforeclass
B.Readthemafterthediscussion
C.Readthemfollowingthelecture
D.Readthembeforethemidterm
24.听力原文:M:Dr.Thomas?ThisisKeetBradleyfromtheDailyNews.I'dliketoaskyousomequestionsaboutthenewofficialstandardweightthatyoupurchased.
W:I'dbehappytohelpyou.Whatwouldyouliketoknow?
M:Firstofall,howisthestandardweightused?
W:Well,thepeopleinourdepartmentuseittocheckthescalesalloverthecountry.Weareagovernmentagency,thedepartmentofweightsandmeasures.It'sourresponsibilitytoseethatallthescalesmeasureakilogramaccuratelysothisisthewayweusetoadjustthescales.
M:Howdidyoucheckthescalesbefore?
W:Wehaveanoldstandardweightthatweusedtouse.Ithadtobereplacedbecauseitwasimprecise.Youseeitwasmadeofpoorqualitymetalthatwastooporous.Itabsorbedtoomuchmoisture.
M:Oh.Sowhentheweatherwashumiditweighedmoreandwhenitwasdryitweighedless.
W:Exactly.Andthatvariationcanaffectthestandardsofthewholecountry.Soourdepartmenthadthenewweightmadeoutofhigherqualitymetal.
M:Howmuchdiditcost?
W:About45,000dollars.
M:45,000dollars?Foronekilogramweight?That'smoreexpensivethangold.Isitreallyworththatmuch?
W:I'msureitis.Industriesdependonourgovernmentagencytomonitortheaccuracyofscalessothatwhentheybuyandselltheirproductsthereisonestandard.Thinkofthedrugindustry,forexample,thosecompaniesrelyonhighaccuracyscalestomanufactureandpackagemedicine.
(23)
A.Howtocareforpreciousmetals.
B.AstandardUnitformeasuringweight.
C.Thevalueofpreciousmetals.
D.Usingthemetricsystem.
25.
【B8】
26.SectionA
Directions:Inthissection,youwillhear8shortconversationsand2longconversations.Attheendofeachconversation,oneormorequestionswillbeaskedaboutwhatwassaid.Boththeconversationandthequestionswillbespokenonlyonce.Aftereachquestiontherewillbeapause.Duringthepause,youmustreadthefourchoicesmarkedA,B,CandD,anddecidewhichisthebestanswer.
听力原文:M:Icouldn'tputupwithmywifeanylonger.Idon'tknowwhysheusuallywantstolookateverythinginsuchanegativeway.
W:Maybeyoushouldtrytogettoknowsomethingaboutherchildhood.
Q:Whatdoesthewomanmean?
(12)
A.Themanshouldtrytobemoreunderstanding.
B.Theman'swifeshouldbemoreunderstanding.
C.Theman'snegativeattitudemaybederivedfromhischildhood.
D.Thepessimismofman'swifemaybetheresultofherpastexperiences.
27.听力原文:M:Excuseme.madam.CanIbuyaticketdirectfromheretoCleveland?
W:Yes,butyouwillhavetotransferatSeattletoadomesticairline.Butthat'snoproblem.Theyflyquiteoften.
Q:Whatwouldthemanmostprobablydo?
(13)
A.FlytoClevelanddirectly.
B.TakeaconnectingflightatSeattle.
C.BuytheticketatSeattle.
D.Buyadomesticairlineticket.
28.(44)
29.听力原文:M:Ithinkweshouldmoveontothenextitem.
W:OK.ButI'dliketotakethismatterupagainattheendofthemeeting.
Q:Whatdoesthewomanimply?
(17)
A.Theyshouldputthemeetingtoanend.
B.Theyshouldholdanothermeetingtodiscussthematter.
C.Shewouldliketodiscussanotheritem.
D.Shewantstodiscusstheissueagainlater.
30.(38)
31.【B9】
32.(30)
A.Theremayexistsomeintelligentlife.
B.Thereisn'tanyintelligentlife.
C.Theremayexistsomelivingthings.
D.Theremayevenbenolivingthings.
33.【B3】
34.SectionC
Directions:Inthissection,youwillhearapassagethreetimes.Whenthepassageisreadforthefirsttime,youshouldlistencarefullyforitsgeneralidea.Whenthepassageisreadforthesecondtime,youarerequiredtofillintheblanksnumberedfrom36to43withtheexactwordsyouhavejustheard.Forblanksnumberedfrom44to46youarerequiredtofillinthemissinginformation.Fortheseblanks,youcaneitherusetheexactwordsyouhavejustheardorwritedownthe
听力原文:InNovember1965,NewYorkwasblackedoutbyanelectricityfailure.Theauthoritiespromisedthatitwouldnothappenagain.Pessimistswerecertainthatitwouldoccuragainwithinfiveyearsatthelatest.InJuly1977,therewasarepeatperformancewhich,producedvaryingdegreesofchaosthroughoutthecityofeightmillionpeople.In1965,thefailureoccurredinthecoolautumnandatatimeofcomparativeprosperity.In1977,thedisasterwasmuchmoreseriousbecauseitcamewhenunemploymentwashighandthecitywassufferingfromoneofitsworstheatwaves.
In1965,therewaslittlecrimeorlootingduringthedarkness,andfewerthanahundredpeoplewerearrested.In1977,hundredsofstoreswerebrokenintoandlooted.Looterssmashedshopwindowsandhelpedthemselvestojewelry,clothesortelevisionsets.Nearly4,000peoplewerearrestedbutfarmoredisappearedintothedarknessofthenight.Thenumberofpolicemenavailablewasquiteinadequateandtheywiselyrefrainedfromusingtheirgunsagainstmobswhichfaroutnumberedthemandincludedarmedmen.
Hospitalshadtotreathundredsofpeoplecutbyglassfromshopwindows.Banksandmostbusinessesremainedclosedthenextday.Theblackoutstartedat9:30p.m.,whenlightninghitandknockedoutvitalcables.Manystoreswerethuscaughtbysurprise.
ThevastmajorityofNewYorkers,however,werenotinvolvedinlooting.Theyhelpedstrangers,distributedcandlesandbatteries,andtriedtosurviveinanightmareworldwithouttrafficlights,refrigerators,elevators,waterandelectricalpower.Fortwenty-fourhours,NewYorkrealizedhowhelplessitwaswithoutelectricity.
InNovember1965,NewYorkwasblackedoutbyanelectricityfailure.The(36)______promisedthatitwouldnothappenagain.Pessimistswerecertainthatitwouldoccuragainwithinfiveyearsatthelatest.InJuly1977,therewasarepeatperformancewhich,producedvaryingdegreesof(37)______throughoutthecityofeightmillionpeople.In1965,thefailureoccurredinthecoolautumnandatatimeof(38)______.In1977,thedisasterwasmuchmoreseriousbecauseitcamewhenun-employmentwashighandthecitywassufferingfromoneofitsworstheatwaves.
In1965,therewaslittlecrimeorlootingduringthedarkness,andfewerthanahundredpeople(39)______.In1977,hundredsofstoreswerebrokenintoandlooted.Looters(40)______shopwindowsandhelpedthemselvesto(41)______,clothesortelevisionsets.Nearly4,000peoplewerearrestedbutfarmoredisappearedintothedarknessofthenight.Thenumberofpolicemen(42)______wasquite(43)______andtheywisely(44)____________.
Hospitalshadtotreathundredsofpeoplecutbyglassfromshopwindows.(45)____________.
ThevastmajorityofNewYorkers,however,werenotinvolvedinlooting.(46)____________.Fortwenty-fourhours,NewYorkrealizedhowhelplessitwaswithoutelectricity.
35.(22)
A.Shedoesn'tknowhowtoswim.
B.Thewaterwastoodeep.
C.Thewaterwastoocold.
D.Shedidn'thaveenoughtime.
36.(29)
A.Consulthimoutsideofclass.
B.Lookforhimintheoffice.
C.Talktohimduringclassroomhours.
D.Makeanappointmentwithhim.
37.听力原文:W:Hi,Kaven.YourroommatetoldmethatIcouldfindyouintheTVlounge.Whatareyoudoinghere?
M:WhatdoesitlooklikeIamdoing?
W:Well,itlookslikeyouarewatchingtelevision.Butwehavealinearalgebramidtermtomorrow,soIthoughtyou'dbestudyingforitandmaybeIcanstudywithyou.
M:Oh,well,Iwasjusttakingabreak.ThislinearalgebrastuffgivesmeaheadacheifIworkonittoolong.
W:Iknowwhatyoumean.I'vebeenworkingonitforthreehoursalready.I'mbeginningtogetcross.I'vebeenguessingatthesampleproblems.Ijustdon'tgetsomeofthem.
M:ButIcan'tbelieveyouarecomingtome.ImeanyoudoknowwhatIgotonthelasttest,don'tyou?
W:Yeah,Iknow.Youtoldme.Ijustthoughttwoheadsmightbebetterthanone.
M:Yeah,that'saniceidea.But...youknow,IwishIknewthatpersoninourclasswhogotahundredonthelasttest.Shedidn'tmissaquestion.Umm...wasitElizabeth?
W:Ohyeah,Elizabeth!Sheisafriendofmine.She'dbeabighelprightnow.Whydon'tIgiveheracall?
M:What!Atthishour?It'salreadytenthirty.Idon'twannaimposeonher.
W:Yeah,Iguessyouareright.Butyouknowwhat,sheowesmeabigfavor.Let'satleastgiveheracallandseewhatshesays.Maybegoingoversomeoftheproblemswithuswouldhelpherreviewthematerial.
M:It'sworthatry.
(20)
A.Studyingforatest.
B.Visitingaclosefiendoftheirs.
C.Aclasspresentationthey'repreparing.
D.Atelevisionprogramthemaniswatching.
38.(25)
A.$20to$50.
B.$200to$500.
C.$2000to$5000.
D.$10to$100.
39.【B7】
40.(31)
A.Byclingingtoaninnertubeandfloatinginthesea
B.BybringingillegalmigrantstoFlorida.
C.Byplayinghide-and-seekwiththehelicopter.
D.Byholdingabattlebetweenhisfatherandrelatives.
三、4.ReadingComprehension(ReadinginDepth)(20题)41.
Fromthequotedwordsinthebeginningofparagraph3,wecanjudgethatuniversitytutorsare______.
42.
Thewriterissorrytohavenoticedthat______.
A.peopleinlargecitiestendtoexcusecriminals
B.peopleinsmalltownsstillsticktoolddisciplineandstandards
C.today'ssocietylackssympathyforpeopleindifficulty
D.peopleindisadvantagedcircumstancesareengagedincriminalactivities
43.
Thepassagestatesthatbeforethebluesquareappeared,thepersoninthevideo______.
A.wasinarelaxedstate
B.watchedthescreenclosely
C.wonderedwhatwouldhappen
D.gotreadytorespondtoashock
44.TheInternetwas______.
A.mainlyusedintheacademecirclebeforeitfoundwideapplication
B.reallyasetof"communicationprotocols"beforewidelyapplied
C.restrictedtodomesticusersbeforeitfoundwideapplication
D.controlledbyacentralauthoritybeforewidelyapplied
45.
ManycompanieshesitatetousetheWebbecause______.
A.technicalflawsofInternetmakeitimpossibletorunbusinessonlineefficiently
B.shopsinsiliconcostslotsofmoney
C.consumersareusuallyannoyedbythe"push"strategy
D.somepeoplejustdonotregardnetworkasreliablepathwayforbusiness
46.
Wecanconcludefromthepassagethatusinganelectriccarcan______.
A.savemoremoneythanusingtheregularcarsineveryway
B.preventpollutionandsaveenergyinthelongrun
C.attractmorecustomerstobuyVSPs
D.soonleadtoeliminatingtraditionalcars
47.
TheIsraeliairlineElAltriestoidentifysuspiciousbehaviorsby______.
48.SectionB
Directions:Thereare2passagesinthissection.Eachpassageisfollowedbysomequestionsorunfinishedstatements.ForeachofthemtherearefourchoicesmarkedA,B,CandD.Youshoulddecideonthebestchoice.
Goodjobsarescarcethesedays,withroughly15millionAmericansoutofworkandanationalunemploymentrateof10percent.PresidentObamatriedtoaddressthejobscrisisinhisStateoftheUnionbyproposinga$33billiontaxcreditforsmallbusinessestohirenewworkersandbycallingunemploymentthemostpressingitemonhisschedule.
Apartfromthefederalgovernment'sresponsetothejobscrisis,economistspredictthatcertainindustriessuchashealthcare,greentechnology,educationandgovernment,willgrowinthecomingyears.Eachweekwesearchseveraljobboard--includingIndeed,VaultandYahootohelpustrackthebestjoblistingswithsalariesof$100000ormore.Forthisweek'spicks,we'vepresentedjobsinnewemergingfields:
ThefirstoneisWindEnergySalesDirector.Areyoufascinatedbythesightofwindpowergenerator,orsimplycommittedtoconservingenergy?SKPUSA,aPennsylvania-basedcompanythatmanufactures,sells,andmaintainswindpowergenerators,islookingforasenior-levelsalesexecutivewithanMBAandanengineeringbackground.Pros(优点):You'dgetthechancetoworkonawiderangeofrenewableenergyprojects,includingsolarandtidal.Cons(缺点):Thejobwouldrequirethecandidatetotravelabout70percentofthetime,bothhomeandabroad.
ThesecondpositionisSustainabilityDirector.AECOMoffersdesign,planning,engineering,andconsultingservicesforurbandesign,cityplanning,environmentalperformance,andpolicyprojects.NewsweekrankedAECOMoneofthetop500greenestcompaniesin2009.ThispositioninD.C.overseesclimatechangeandsustainabilityprojectsforclientsthatincludefederal,state,andcitygovernments.Pros:Thecompanyhasofficesin100countries.Cons:Enthusiasmisnotenough.Theywanttohireaself-promoterwithpublishedarticlesandagreatspeaker.
ThethirdrecommendedpositionisResponseManagementSpecialist.Don'tletthisfunnyjobtitlefoolyou.ThispositionfortheDefenseIntelligenceAgency.asupportagencyfortheDepartmentofDefense,involvesmappingouthowtheagencyisgoingtorespondtodisasters,includingchemicalornuclearthreats.Pros:Asafederalemployee,you'dgetapensionandexcellentbenefits.Cons:Youhavetobewillingtoundergoathoroughbackgroundcheck.
ThefourthpositionisGovernmentContractManager.Somebodyneedstotrackallofthemoneythatgovernmentsandcorporationsspendonvariouscontracts,enterthecontractmanager.Thiscandidateneedstobeorganized,diplomatic,andanalyticalenoughtorecognizeproblemsbeforetheyarise.Pros:YoucanbebasedinWashington,D.C.,Reston,Va.,SanDiego,orLosAngeles.Cons:Youneedaminimumofsixyearsofcontract-managementexperienceandmustbewillingtotravel50percentofthetime.
PresidentObamaclaimedthefirstproblemheshouldhandleisunemploymentinorderto______.
A.drawattentiontojobcrisis
B.getsupportsforthetaxcreditforsmallbusiness
C.provethathisschedulewasverybusy
D.getnew.betterworkersintosmallbusiness
49.
TheexampleprovidedinParagraph3isusedtoillustratetheideathat______.
A.historyismainlyshapedbyimportantevents
B.theinterpretationofhistorycanbequitedifferent
C.thereisnostandardinjudginghistory
D.BritainandtheUnitedStateshashadanuneasyrelationshipfromthestart
50.SectionB
Directions:Thereare2passagesinthissection.Eachpassageisfollowedbysomequestionsorunfinishedstatements.ForeachofthemtherearefourchoicesmarkedA,B,CandD.Youshoulddecideonthebestchoice.
Internationalelectronicmailsystemsarenolongertheplaythingofhackersandbug-eyedcomputerenthusiasts.Theyareemergingascrediblebusinesstoolsthatenableindividualsandcompaniestocommunicatecheaplyandefficientlyaroundtheglobe.Likethein-houseelectronicmailnetworksthathavebecomeafactofbusinesslifeinmanycompanies,thesesystemsprovideameansofsendingandreceivingmessagesviapersonalcomputersorcomputerterminals.Withglobalelectronicmailservices,however,messagescanbesentacrosstheworldoracrosstown.
Forevidenceoftherisingpopularityofelectronicmail,alookatthebusinesscardscollectedfromclientsorcontactslatelyshouldbeenough.Thechancesarethatsomeofthemincludeelectronicmail"addresses"alongwithtelephoneandfaxnumbers.
Theadvantagesofelectronicmailarenumerous.Itcaneliminatehoursoffrustrating"telephonetag"andenablepeopletocommunicateacrosstime-zoneswithease.Italsosubstitutesforbusyfaxmachinesthatprintoutpilesofpaperwhichareoftenmisplacedormisdirected.Withelectronicmail,themessageappearsuponthecomputerscreenoftheindividualbeingcontacted.
Thebiggestroadblocktothesuccessofelectronicmailinthepasthasbeenthelackofsufficientusers.Althoughdozensofpersonalcomputerelectronicmailservicesareavailable,untilrecentlytheywerenotlinked.Thismeantthattoreachsomebodyitwasnecessarytosubscribetothesameelectronicmessagingsystem.
Overthepastcoupleofyears,however,manyelectronicmailsystemshavestarted"talking"tooneanother.Themechanismforthisis"Internet"--alow-costandefficientlinkbetweenelectronicmailservicesworldwide.
Internetlinksanestimated1.5millioncomputersover10,000networksin50countries,servingaboutsixmillionusers.Internetresemblesacomputernetworkcooperative.Thereisnocentralauthoritythatoverseesit,andrulesarelargelyinformal.Overthepast20yearsithasmushroomedtoincluderegional,corporateandpublicnetworks,includingcommercialelectronicmailsystems."PeopleconducttheirlovelifeoverInternet,theirhobbiesandtheirinterests.Theyarguepolitiesandengageinallkindsofbusiness,'saysMr.MitchKapor,co-founderofElectronicFrontierFountainofCambridge,Massachussetts,whichpromotesawarenessoftheon-lineworld.
Despitetheanarchicnatureofitsstructure,thebasicsofusingInternetcommunicationsaresimple.Allthatisneededisacomputer,amodem,acommunicationssoftwarepackageandasubscriptiontoanon-lineinformationservicelinkedtoInternet.
SubscriptioncostsrangefromaboutUS$9toUS$20permonth,dependingontheserviceandvaryingaccordingtotheinformationservicesoffered.
Onceasubscriptiontooneoftheseservicesisobtained,thechargeforsendinganelectronicmessageisgenerallyonlyafewcents.Inmostplacesalocaltelephonecallwillconnectyoutothesystem.
Accordingtothepassage,"electronicmail"isawayto______.
A.replacetheoldmailsystem
B.getelectronicsbymail
C.connecttheuserstothepostoffice
D.communicatebypersonalcomputersorcomputerterminals
51.
Whichareawilltheweatherexpertskeepaneyeonifawarmingprobablytakesplaceinthenextfivedecadesfromtheburningoffuels?
52.Totieitselfsafelytoanewhome,amusselmust______.
A.produceathreadtoanchortothehardsurface
B.drawairandwaterfromitspad-likestructure
C.holddownatentashumanbeingsdo
D.placemanyanchorlinesstrategically
53.
WhichofthefollowingisTRUEaccordingtothepassage?
A.ThereisnoclearlydefinedrightandwronginTVimages.
B.Televisiondoesn'texpressideasalthoughitisintendedloconveytroth.
C.Translatinglifeintoanimageismoreeffectivethanexpressingreactionstolifeinwordsinteachinglifevalues.
D.TVpresentationofimagesrecordswhatisgoingonobjectively.
54.
Thefatheroftenblameshischildrenfornotbeingabletoentertainthemselves.Thisisunfairbecausethey______.
55.
WhichstateinAmericacoversthelargestterritory?
56.SectionB
Directions:Thereare2passagesinthissection.Eachpassageisfollowedbysomequestionsorunfinishedstatements.ForeachofthemtherearefourchoicesmarkedA,B,CandD.Youshoulddecideonthebestchoice.
Nowadays,nodocumentissafeanymore.Counterfeiting,oncethedomainofskilleddeceiversthatusedexpensiveengravingandprintingequipment,hasgonemainstreamsincethepriceofdesktop-publishingsystemshasdropped.Inancienttimes,counterfeitingwasahangingoffence.Today,desktopcounterfeitershavelittlereasontoworryaboutprison,becausethesystemstheyuseareubiquitous(普遍存在的)andthereisnomeansoftracingforgeddocumentstothemachinethatproducedthem.This,however,maysoonchangethankstotechnologydevelopmentbyGeorgeChiu,ananti-counterfeitingengineer.
Hisapproachisbasedondetectingimperfectionsintheprintqualityofdocuments.Old-schoolcourtscientistswereabletotracedocumentstoparticulartypewritersbasedonquirks(沟槽)oftheindividualkeys.Heemploysasimilarapproach,exploitingthefactthattherotating(转动)drumsandmirrorsinsideaprinterareimperfectpiecesofengineeringwhich,leaveuniquepatternsofbandingintheirproducts.
Althoughthesepatternsareinvisibletothenakedeye,theycanbedetectedandanalyzedbycomputerprograms,anditisthesethatDr.Chiuhasspentthepastyeardevising.Sofar,hecannottraceindividualprinters,buthecantellprettyreliablywhichmakeandmodelofprinterwasusedtocreateadocument.
That,however,isonlythebeginning.Whileitremainstobeseenwhetheritwillbepossibletotraceacounterfeitdocumentbacktoitsguiltycreatoronthebasisofmanufacturingimperfections,Dr.Chiuisnowworkingoutwaystomakethoseimperfectionsdeliberate.
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