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CATTI三級(jí)筆譯綜合能力考試試題及答案解析(三)?一、VocabularySelection(本大題20小題.每題1.0分,共20.0分。Inthispart,thereare20incompletesentences.Beloweachsentence,therearefourwordsorphrasesrespectivelymarkedbylettersA,B,CandD.Choosethewordorphrasewhichbestcompleteseachsentence.Thereisonlyonerightanswer.)第1題Marketingis______(dá)justdistributinggoodsfromthemanufacturertothefinalcustomer.AratherthanBotherthanCbiggerthanDmorethan第2題Themagicianpickedseveralpersons__(dá)____(dá)fromtheaudienceandaskedthemtohelphimwiththeperformance.AbyaccidentBatrandomConoccasion第3題EnglishlanguagepublicationsinChinaaregrowinginvolumeand___(dá)___.Acirculat(yī)ionBrotationCcircumstanceDappreciation第4題Duststormsmostoftenoccurinareaswherethegroundhaslittlevegetationtoprotectofthewind.AfromtheeffectsBittheeffectsCitfromtheeffectsDtheeffectsfromit第5題Onturningthecomer,theysawthepath__(dá)____steeply.AdepartingBdescendingCdecreasing第6題Mostnursesarewomen,butinthehigherranksofthemedicalprofessionwomenareaAscarcityBminorityCminimum第7題Withaneighty-hourweekandlittleenjoyment,lifemusthavebeenveryforthestudents.AhostileBanxiousCtediousDobscure第8題Container-grownplantscanbeplantedatanytimeoftheyear,but___(dá)___inwinter.AshouldbeBwouldbeCpreferredDpreferably第9題Hydroponics______(dá)thecultivationofplantswithoutsoil.AdoesBisCdoDare第10題Intheeightee(cuò)nthcentury,thetownofBennington,Vermont,wasfamousforpottery.AitmadeBitsCthemakingDwhereits第11題Toimposecomputertechnology___(dá)___teachersistocreateanenvironmentthatisnotconducivetolearning.AwithBtoCinDon第12題Goodpencilerasersaresoftenoughnot___(dá)___paperbuthardenoughsothattheycrumblegraduallywhenused.AbydamagingBsothattheydamageCtodamageDdamaging第13題Bothlongitudeandlatitude____(dá)__indegrees,minutesandseconds.AmeasuringBmeasuredCaremeasuredDbeingmeasured第14題OurflighttoGuangzhouwas______byabadfogandwehadtostaymuchlongerinthehotelthanwehadexpected.AdelayedBadjournedCcancelledDpreserved第15題__(dá)___(dá)_ofhischildhoodhomeinHannibal,Missouri,providedMarkTwainwiththeinspirationfortwoofhismostpopularnovels.ARememberingBMemoriesCItwasthememoriesDHeremembered第16題Mostcometshavetwokindsoftails,onemadeupofdust,____(dá)__(dá)madeupofelectricallychargedparticlescalledplasma.AoneanotherBtheotherCotheronesDeachother第17題Wehavehadtoraisethepricesofourproductsbecauseoftheincreaseinthecostofmaterials.AprimitiveBroughCoriginalDraw第18題___(dá)___alanguagefamilyisagroupoflanguageswithacommonoriginandsimilarvocabulary,grammar,andsoundsystem.AWhatlinguistscallBItiscalledbylinguistsCLinguistscallitDWhat(yī)dolinguistscall第19題______getolder,thegamestheyplaybecomeincreasinglycomplex.AChildrenBChildren,whentheyCAschildrenDForchildrento第20題Wheneverthegovernmentincreasespublicservices,____(dá)__becausemoreworkersareneededtocarryouttheseservices.AemploymenttoriseBemploymentrisesCwhichrisingemploymentDtheriseofemployment二、VocabularyReplacement(本大題15小題.每題1.0分,共15.0分。Thispartconsistsof15sentencesinwhichonewordorphraseisunderlined.Beloweachsentence,therearefourchoicesrespectivelymarkedbylettersA,B,CandD.YouaretoselecttheONEchoicethat(yī)canreplacetheunderlinedwordwithoutcausinganygrammaticalerrororchangingtheprincipalmeaningofthesentence.Thereisonlyonerightanswer.)第1題Publicrelat(yī)ionspracticeisthedeliberate,plannedandsustainedefforttoestablishandmaintainmutualunderstandingbetweenaanizationanditspublic.AcompleteBrelatedCintentionalDactive第2題Theservicee(cuò)conomydoesn'tsuggestthatweconvertourfactoriesintolaundriestosurvive.AimplyBpersuadeChurlDtransform第3題TheultimatecauseoftheCivilWarwasthebombardmentofFortSumter.AonlyBfinalCtrueDspecial第4題Mostspeciesofthisplantthriveinordinarywell-drainedgardensoilandtheyarebestplanted8cmdeepand5cmapart.AdevelopwellBgrowtallerCmatureDbearfruit第5題Jimwasastoutoldgentleman,withaweather-beatencountenance.AbodyBskinCshoulderDpassionateinterest第6題Theuseofthenewtechnologywillhaveaprofoundeffectonschools.Anegat(yī)iveBpositiveCstrongDuseful第7題Hehasatouchofeccentricityinhiscomposition.AessayBwritingCcharacterDmanner第8題Themoststrikingtechnologicalsuccessinthe20thcenturyisprobablythecomputerrevolution.AprofitableBproductiveCprominentDprompt第9題Shellfishgivethedeceptiveappearanceofenjoyingapeacefulexistence,althoughinfactlifeisaconstantstruggleforthem.AmisleadingBcalmCunderstandableDinitial第10題Motivat(yī)ionisthedrivingforcewithinindividualsthat(yī)impelsthemtoaction.AimpedesBinterferesCholdsDpushes第11題Scientificevidencefromdifferentdisciplinesdemonstratesthat(yī)inmosthumansthelefthemisphereofthebraincontrolslanguage.AgroupsoffollowersByearsCcountriesDfieldsofstudy第12題Ifwelookat(yī)theChineseandBritishconceptsofhospitality,wefindonemajorsimilaritybutanumberofimportantdifferences.AhostilityBfriendlinessCmannerDculture第13題Itwasratherstrangehowthehabitsofhisyouthclungtohimstill.Hewas72.AstucktoBturnedCledtoDgavewayto第14題Injustthreeyears,theNethasgonefromaplaygroundforthelocalpeopletoavastcommunicationsandtradingcenterwheremillionsswapinformationordodealsaroundtheworld.AbusinessBshoppingCchattingDmeeting第15題NoheroofancientormodemdayscansurpasstheIndianswiththeirloftycontemptofdeathandthefortitudewithwhichtheysustainitscruelestaffliction.AregardBcourageClossDtrick三、CorrectingGrammat(yī)icalErrors(本大題14小題.每題1.0分,共14.0分。Thispartconsistsof15sentencesinwhichthereisanunderlinedpartthatindicatesagrammaticalerrorBeloweachsentence,therearefourchoicesrespectivelymarkedbylettersA,B,CandD.YouaretoselecttheONEchoiceandreplacetheunderlinedelement(s)sothattheerroriserasedandcorrected.Thereisonlyonerightanswer.)第1題ThefirstrecordeduseofnaturalgastolightstreetlampsitwasinthetownofFrederick,NewYork,in1825.AwasBisCitisDwere第2題Furnituremakersusegluetoholdjointstogetherandsometimestoreinforceit.AitsBfastChardDthem第3題Alllivingcreat(yī)urespassoninheritedtraitsfromonegenerationtoother.AtheotherBanotherCothersDotherone第4題Unlikecompetitiverunning,racewalkersmustalwayskeepsomeportionoftheirfeetincontactwiththeground.ArunBrunnerCrunnersDrunningrace第5題TheeasternbluebirdisconsideredthemostattractivebirdnativeofNorthAmericabymanybird-watchers.Anat(yī)iveBnat(yī)ivewithCnativebyDnat(yī)iveto第6題Machinesthatusehydraulicpressureincludingelevators,dentistchairs,andautomobilebrakes.AexcludeBexcludingCincludeDareincluded第7題Allrootvegetablesgrowunderground,andnotallvegetablesthatgrowundergroundareroots.AbutBorCasDthus第8題Allmammalshavehair,butnotalwaysevident.AbutitisnotBbutitisCbuttheyarenotDbuttheyare第9題Apromisingnoteisawrittenagreementtopayacertainsumofmoneyatsometimefuture.AtimefuturesBfuturesCfuturestimeDfuturetime第10題Notmuchpeoplerealizethatappleshavebeencultivatedforover3,000years.ANotmanyBNotenoughCWithoutmanyDNomany第11題Althoughthesocialsciencesdifferentagreatdealfromoneanother,themoninterestinhumanrelationship.AmoveBdifferCchangeDvaries第12題Thehard,outsurfaceofthetoothiscalledenamel.AoutsideBappearanceCouterDhiding第13題Theearliestformofartificiallightingwasfire,whichalsoprovidedwarmandprotection.AhotBsunshineCwarmthDsafe第14題NewYorkCitysurpassedtheotherAtlanticseaportsinpartlybecauseitdevelopedthebesttransportat(yī)ionlinkswiththeinteriorofthecountry.ApartBpartialCpartnerDparting四、ReadingComprehension(共50小題,共50.0分)Inthissectionyouwillfindaftereachofthepassagesanumberofquestionsorunfinishedstatementsaboutthepassage,eachwithfour(A,B,CandD)suggestedanswersorwaysoffinishing.Youmustchoosetheonewhichyouthinkfitsbest.第1題PhyllisWheatleyisregardedasAmerica'sfirstblackpoet.ShewasborninSenegal,Africa,about1753andbroughttoAmericaaboardaslaveshipatabouttheageofseven.JohnandSusannahWheatleyboughtherforthree(cuò)poundsataslaveauctioninBostonin1761tobeapersonalservantofMrs.Wheatley.Thefamilyhadthree(cuò)otherslaves,andallweretreatedwithrespect.Phylliswassoonacceptedasoneofthefamily,whichincludedbeingraisedandeducatedwiththeWheatley'stwin15-year-oldchildren,MaryandNathaniel.Atthattime,mostfemales,evenfrombetterfamilies,couldnotreadandwrite,butMarywasprobablyoneofthebesteducatedyoungwomeninBoston.Marywantedtobecomeateacher,andinfact,itwasMarywhodecidedtotakechargeofPhyllis'seducation.Phyllissoondisplayedherremarkabletalents.AttheageoftwelveshewasreadingtheGreekandLatinclassicsandpassagesfromtheBible.Andeventually,Mrs.Wheat(yī)leydecidedPhyllisshouldbecomeaChristian.

AttheageofthirteenPhylliswroteherfirstpoem.ShebecameaBostonsensationaftershewroteapoemonthedeathoftheevangelicalpreacherGeorgeWhitfieldin1770.ItbecamecommonpracticeinBostontohave"Mrs.Wheatley'sPhyllis"readpoetryinpolitesociety.Marymarriedin1771,andPhyllislat(yī)ermovedtothecountrybecauseofpoorhealth,asateacherandcaretakertoafarmer'sthreechildren.MaryhadtriedtointerestpublishersinPhyllis'spoemsbutoncetheyheardshewasaNegrotheyweren'tinterested.

Thenin1773PhylliswentwithNathaniel,whowasnowabusinessman,toLondon.Itwasthoughtthat(yī)aseavoyagemightimproveherhealth.Thirty-nineofherpoemswerepublishedinLondonasPoemsonVariousSubjects,ReligiousandMoral.ItwasthefirstbookpublishedbyablackAmerican.In1775PhylliswroteapoemextollingtheaccomplishmentsofGeorgeWashingtonandsentittohim.Herespondedbypraisinghertalentsandinvitinghertovisithisheadquarters.Afterbothofherbenefactorsdiedin1777,andMarydiedin1778,Phylliswasfreedasaslave.Shemarriedin1778,movedawayfromBoston,andhadthreechildren.Butaftertheunhappymarriage,shemovedbacktoBoston,anddiedinpovertyattheageofthirty.What(yī)doesthepassagemainlydiscuss?ASlaveryandthetreatmentoftheblackpeopleinAmerica.BTheWheatleyfamily,includingtheirslaves.CThelifeofAmerica'sfirstblackpoet.第2題Theunderlinedword"respect"inParagraph1isclosestinmeaningtoAconsiderationBdisregardCpunishment第3題Accordingtothepassage,howmanyslavesdidtheWheat(yī)ley'shave?AOne.BTwo.CThree.DFour.第4題Accordingtothepassage,anunusualfeatureofMarywasthat(yī)sheAwasnotmucholderthanPhyllisBwantedtobecomeat(yī)eacherCwascomparativelywelleducat(yī)edDdecidedtotakechargeofPhyllis'seducation第5題Theunderlinedword"eventually"inParagraph1isclosestinmeaningtoAultimatelyBslowlyCreluctantlyDgradually第6題WhichofthefollowingisNOTtrueaboutPhyllisintheearly1770s?AShewroteherfirstpoemwheninherteens.BShemarriedin1771.CShebecameateacher.DShewasabletogetherpoemspublished.第7題Theunderlinedword"they"inParagraph2refersto___(dá)__(dá)_.ApublishersBpoemsCchildrenDblackpeople第8題ItcanbeinferredthatPhyllis'striptoEnglandwithNathanielin1773___(dá)___.AdidnotimproveherhealthBwasforbusinessreasonsCledtobooksofherpoemsbeingavailableinAmericaDledtothepublicationofherpoemsbecausetheEnglishweremoreinterestedinreligiousandmoralsubjects第9題Theword"extolling"isclosestinmeaningto__(dá)____.AwelcomingBstatingCbemoaningDpraising第10題WhichofthefollowingconclusionsaboutPhyllisissupportedbythepassage?AShewouldhavebeenmorerecognizedasapoetifshehadnotbee(cuò)nblack.BShewouldhavewrittenpoetryifshehadstayedinAfrica.CShewentunrecognizedasapoetduringherlifetime.DSheonlywrotereligiouspoetry.第11題Aboutfiftyyearsago,plantphysiologistssetouttogrowrootsbythemselvesinsolutionsinlaboratoryflasks.Thescientistsfoundthatthenutritionofisolatedrootswasquitesimple.Theyrequiredsugarandtheusualmineralsandvitamins.However,theydidnotrequireorganicnitrogencompounds.Theserootsgotalongfineonmineralinorganicnitrogen.Rootsarecapableofmakingtheirownproteinsandotherorganipounds.Theseactivitiesbyrootsrequiree(cuò)nergy,ofcourse.TcessofrespirationusessugartomakethehighenergycompoundATP,whichdrivesthebiochemicalreactions.Respirationalsorequiresoxygen.Highlyactiverootsrequireagooddealofoxygen.?Thestudyofisolatedrootshasprovidedanunderstandingoftherelationshipbetweenshootsandrootsinintactplants.Theleavesoftheshootsprovidetherootswithsugarandvitamins,andtherootsprovidetheshootswithwat(yī)erandminerals.Inaddition,rootscanprovidetheshootswithorganicnitrogencompounds.Thiscomesinhandyforthegrowthofbudsintheearlyspringwhenleavesarenotyetfunctioning.Onceleavesbeginphotosynthesizing,theyproduceprotein,butonlymatureleavescan"export"proteintotherestoftheplantintheformofaminoacids.Whatisthemaintopicofthepassage?ATherelat(yī)ionshipbetwee(cuò)naplant'srootsanditsshoots.BWhatcanbelearnedbygrowingrootsinisolat(yī)ion.CHowplantscanbegrownwithoutroots.DWhatelementsarenecessaryforthegrowthofplants.第12題Theunderlinedword"themselves"inParagraph1refersto____(dá)__.AplantphysiologistsBsolutionsClaboratoryflasksDroots第13題Thescientistsfoundwhattheisolatedrootsneedis______.AquitenaturalBsugar,mineralsandvitaminsCsomerarevitaminsDorganicnitrogencompounds第14題Rootshavetheabilityto__(dá)____.AmakeproteinsBobtainfreshairCproduceinorganicnitrogenDcarryoutactivitieswithoutenergy第15題Accordingtothepassage,whatisATP?AAbioccess.BThetipofaroot.CAchemicalcompound.DAtypeofplantcell.第16題Theunderlinedword"intact"inParagraph2isclosestinmeaningto______.AmatureBwildCwholeDtiny第17題Theuseofthephrase"comesinhandy"underlinedinParagraph2indicatesthattheprocessis____(dá)__.AunavoidableBpredictableCnecessaryDsuccessful第18題Itcanbeinferredfromthepassagethat(yī),intheearlyspring,thebudsofplants____(dá)__(dá).A"export"proteinintheformofaminoacidsBdonotrequirewaterChavebegunphotosynthesizingDobtainorganiccompoundsfromtheroot第19題Whichofthefollowingbestdescribestheorganizationofthepassage?ATheresultsoftwoexperimentsarpared.BAgeneralizationismade,andseveralexamplesofitaregiven.CThefindingsofanexperimentareexplained.DAhypothesisispresented,andseveralmeansofprovingitaresuggested.第20題Whereisthispassagelikelytobefound?AAnewsletter.BAmagazine.CAstorybook.DAnovel.第21題Nat(yī)uralflavoringsandfragrancesareoftencostlyandlimitedinsupply.Forexample,thevitalingredientinarosefragranceisextractedfromnaturalroseoilatacostofthousandsofdollarsapound;anidenticalsyntheticsubstancecanbemadefor1%ofthiscost.Sincetheearlytwentiethcentury,successinreproducingthesesubstanceshascreat(yī)edanewindustrythattodayproduceshundredsofartificialflavorsandfragrances.

Somenaturalfragrancesareeasilysynthesized;theseincludevanillin,thearomat(yī)icingredientinvanilla,andbenzaldehyde,thearomaticingredientinwildcherries.Otherfragrances,however,havedozens,evenhundredsofcomponents.Onlyrecentlyhasitbee(cuò)npossibletoseparateandidentifytheseingredientsbytheuseofgaschromatographyandspectroscopy.Oncethechemicalidentityisknown,itisoftenpossibletosynthesizethem.Nevertheless,somecomplexsubstances,suchasthearomaoffreshcoffee(cuò),havestillnotbee(cuò)nduplicatedsatisfactorily.?Manyofthechemicalcompoundsmakingupthesesyntheticsareidenticaltothosefoundinnature,andareasharmlessorharmfulasthenaturalsubstances.Newproductsmustbetestedforsafety,andwhenusedinfood,mustbeapprovedbytheU.S.FoodandDrugAdministrat(yī)ion.?Theavailabilityofsyntheticflavorsandfragranceshasmadepossiblealargevarietyofproducts,frominexpensivebeveragestoperfumedsoaptousedcarswithapplied"newcarodor."Fromthepassagewecanlearnthat(yī)__(dá)___(dá)_.Anat(yī)uralflavoringsandfragrancesarenotquitedearBthelimitationofnaturalflavoringsandfragrancesisclearCthesupplyofnaturalflavoringsandfragrancesisadequatetomeetthedemandDthecostofproducingnaturalflavoringsandfragrancesishigh第22題Whichofthefollowingistrueaccordingtothepassage?ANaturalrosefragranceis100timesmoreexpensivetoproducethanartificialrosefragrance.BThemostimportantingredientinarosefragranceisobtainedfromnaturalroseoilatalowcost.CAdifferentsyntheticsubstancecanbemadefor1%ofthecost.DNaturalroseoilcoststhesameasitsfragrances.第23題Theindustryofproducinghundredsofartificialflavorsandfragrancesprobablyappearedin______(dá).AB1953C1909D1810第24題Accordingtothepassage,allthefollowingareeasiertosynthesizeEXCEPT_____(dá)_.AaromaticingredientinvanillaBvanillaCaromaticingredientinwildcherryDtheflavoroffreshcoffee第25題Theunderlinedword"duplicated"inParagraph2isclosestinmeaningto___(dá)___.AmakedoubleBmakeacopyofCproducesomethingequaltoDtakefrom第26題WhydoestheauthormentionfreshcoffeeinParagraph2?AAsanexampleofcomplexsubstanceshavingnotbeenduplicat(yī)edsatisfactorily.BBecausethecoffee(cuò)fragranceishardtoproduce.CToconcludethepassage.DThesmelloffreshcoffeeisinviting.第27題____(dá)__,asubstancecanbesynthesized.AUponidentifyingthebasiccomponentsofitBOncechemicallyanalyzedCWhengaschromatographyisusedDIfspectroscopyisadopted第28題Itcanbeinferredfromthepassagethat__(dá)____(dá).AvanilliniseasiertosynthesizethanbenzaldehydeBnotallsyntheticflavorsareharmlessCingeneral,thelesscomponentsthereareinafragrance,theharderitistosynthesizeDsynthesizedsubstancesmustbetestedforsafetyonlyiftheyareusedinfood第29題Whichofthefollowingisthebesttitleforthepassage?AHowtoSynthesizeFragrancesBSyntheticSubstancesAreEasytoMakeCNaturalFlavoringsandFragrancesDSyntheticFlavorsandFragrances第30題WhichofthefollowingisNOTtrueaccordingtothelastparagraph?ASyntheticfragrancescanbeusedtomakeausedcarsmelllikeanewone.BSyntheticflavorsandfragranceshaveaddedtothevarietiesofproducts.CLemonsoapismadeoutofsomedeliciouslemon.DItislikelythat(yī)abottleoforangejuiceissynthesized.第31題Somepeopleassociatemigrat(yī)ionmainlywithbirds.Birdsdotravelvastdistances,butmammalsalsomigrate.Anexampleisthecaribou,reindeerthatgrazeonthegrassyslopesofnorthernCanada.Whentheweatherturnscold,theytravelsouthuntilspring.Theirtracksaresowell-wornthattheyareclearlyvisiblefromtheair.AnothermigratingmammalistheAlaskafurseal.ThesesealsbreedonlyinthePribilotIslandsintheBeringSea.TheyoungareborninJuneandbySeptemberarestrongenoughtogowiththeirmothersonajourneyofover3,000miles.TogethertheyswimdownthePacificCoastofNorthAmerica.ThefemalesandyoungtravelasfarassouthernCalifornia.Themalesdonotjourneysofar.TheyswimonlytotheGulfofAlaska.Inthespring,malesandfemalesallreturntotheislands,andtherethecyclebeginsagain.Whalesareamongthegreatestmigratorsofall.Thehumpbackandbluewhalesmigratethousandsofmileseachyearfromthepolarseastothetropics.Whaleseat(yī)hugequantitiesofplankton.Thesearemostabundantincoldpolarwaters.Inwinter,thewhalesmovetowarmwaterstobreedandgivebirthtotheiryoung.Fromthepassagewecanlearnthat__(dá)__(dá)__.ApeoplemigratelikeanimalsBonlybirdsmigrateCthefemalefursealsmigrat(yī)eonlytotheGulfofAlaskaDnotallmammalsmigrate第32題Thephrase"Anexample"underlinedinParagraph1referstoanexampleofa__(dá)____.AmigratorymammalBplacewhereanimalsmigrateCmigratingbirdDpersonwhoassociatesmigrationwithbirds第33題AllthemammalsarementionedasmigratingonesEXCEPT__(dá)____(dá).AcaribouBfinwhaleCreindeerDAlaskafurseal第34題Wherecanyouseefromtheairthemigrationofthemammals?AInthePribilotIslands.BIntheBeringSea.CInsouthernCalifornia.DInnorthernCanada.第35題WhichofthefollowingisNOTtrue?AWhalesbree(cuò)dinwinter.BYoungwhalesaregivenbirthincoldwat(yī)ers.CAlaskafursealsgivebirthtotheyoungonlyinonearea.DAlaskafursealsareborninwarmweather.第36題Together___(dá)___ofAlaskafursealsswimdownthePacificCoastofNorthAmerica.AmothersandtheyoungBfat(yī)hersandtheyoungCparentsandtheyoungDsealsandwhales第37題WhichofthefollowingisNOTdescribedinthepassage?AWhalesmigratetobreedandgivebirthtotheiryoung.BWhale-watchinginBostoninsummerisattracting.CSealsbreedinthenorthbeforemigrat(yī)ion.DReindeerfeedongrass.第38題Whalesliveon____(dá)__.AtinyplantsandanimalsintheseaBthegrassyslopesofnorthernCanadaCtheiryoungincoldwinterDtheabundantseafoodintropicwat(yī)ers第39題Howmanykindsofmigratingmammalsarementionedinthepassage?AFour.BThree.CTwo.DOne.第40題Whatisthebesttitleofthepassage?AThreeTypesofWhalesBBirdsMigrationCMammalsAlsoMigrateDSeveralKindsofMigration第41題Electronicmailhasbecomeanextremelyimportantandpopularmeansofcommunication.

Theconvenienceandefficiencyofelectronicmailarethreat(yī)enedbytheextremelyrapidgrowthinthevolumeofunsolicitedcommercialelectronicmail.Unsolicitedcommercialelectronicmailiscurrentlyestimatedtoaccountforoverhalfofallelectronicmailtraffic,upfromanestimated7percentin,andthevolumecontinuestorise.Mostofthesemessagesarefraudulentordeceptiveinoneormorerespects.

Thereceiptofunsolicitedcommercialelectronicmailmayresultincoststorecipientswhocannotrefusetoacceptsuchmailandwhoincurcostsforthestorageofsuchmail,orforthetimespentaccessing,reviewing,anddiscardingsuchmail,orforboth.Thereceiptofalargenumberofunwantedmessagesalsodecreasestheconvenienceofelectronicmailandcreatesariskthatwantedelectronicmailmessages,bothcommercialandnoncommercial,willbelost,overlooked,ordiscardedamidstthelargervolumeofunwantedmessages,thusreducingthereliabilityandusefulnessofelectronicmailtotherecipient.Somecommercialelectronicmailcontainsmaterialthatmanyrecipientsmayconsidervulgarorpornographicinnature.

ThegrowthinunsolicitedcommercialelectronicmailimposessignificantmonetarycostsonprovidersofInternetaccessservices,businesses,andeducat(yī)ionalandnonprofitinstitutionsthat(yī)carryandreceivesuchmail,asthereisafinitevolumeofmailthatsuchproviders,businesses,andinstitutionscanhandlewithoutfurtherinvestmentininfrastructure.Manysendersofunsolicitmercialelectronicmailpurposefullydisguisethesourceofsuchmail.?Manysendersofunsolicitedcommercialelectronicmailpurposefullyincludemisleadinginformat(yī)ioninthemessages'subjectlinesinordertoinducetherecipientstoviewthemessages.Whilesomesendersofcommercialelectronicmailmessagesprovidesimpleandreliablewaysforrecipientstoreject(or'opt-out'o0receiptofcommercialelectronicmailfromsuchsendersinthefuture,othersendersprovidenosuch'opt-out'mechanism,orrefusetohonortherequestsofrecipientsnottoreceiveelectronicmailfromsuchsendersinthefuture,orboth.?Manysendersofbulkunsolicitedcommercialelectronicmailusecomputerprogramstogat(yī)herlargenumbersofelectronicmailaddressesonanautomatedbasisfromInternetwebsitesoronlineserviceswhereusersmustposttheiraddressesinordertomakefulluseofthewebsiteorservice.?Theproblemsassociatedwiththerapidgrowthandabuseofunsolicitedcommercialelectronicmailcannotbesolvedbythegovernmentalone.Thedevelopmentandadoptionoftechnologicalapproachesandthepursuitofcooperativee(cuò)ffortswithothercountrieswillbenecessaryaswell.Accordingtothepassage,efficiencyofe-mailisthreatenedby____(dá)__.Aheavye-mailtrafficBfr

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