2023年12月英语六级考试试题

12月英语六级考试试题第一套PartIWriting(30minutes)（请于正式开卷后半小时内完毕该部分，以后将进行听力考试）Directions:Forthispart,youareallowed30minutestowriteashortessayoninvention.Youressayshouldincludetheimportanceofinventionandmeasurestobetakentoencourageinvention.Youarerequiredtowriteatleast150wordsbutnomorethan200words.PartⅡListeningComprehension(30minutes)SectionADirections:Inthissection,youwillheartwolongconversations.Attheendofeachconversation,youwillhearfourquestions.Boththeconversationandthequestionswillbespokenonlyonce.Afteryouhearaquestion,youmustchoosethebestanswerfromthefourchoicesmarkedA),B),C)andD).ThenmarkthecorrespondingletteronAnswerSheet1withasinglelinethroughthecentre.Questions1to4arebasedontheconversationyouhavejustheard.1. A)Ittriestopredictthepossibletrendsofglobalclimatechange.B)Itstudiestheimpactsofglobalclimatechangeonpeople’slives.C)Itlinksthescienceofclimatechangetoeconomicandpolicyissues.D)Itfocusesontheeffortscountriescanmaketodealwithglobalwarming.2. A)Itwilltakealongtimebeforeaconsensusisreachedonitsimpact.B)Itwouldbemorecostlytodealwithitsconsequencesthantoavoidit.C)Itisthemostpressingissueconfrontingallcountries.D)Itisboundtocauseendlessdisputesamongnations.3. A)Thetransitiontolow-carbonenergysystems.B)Thecooperationamongworldmajorpowers.C)Thesigningofaglobalagreement.D)Theraisingofpeople’sawareness.4. A)Carryoutmoreresearchonit. C)Planwellinadvance.B)Cutdownenergyconsumption. D)Adoptnewtechnology.Questions5to8arebasedontheconversationyouhavejustheard.5. A)Whenluckplaysarole. C)Whetherpracticemakesperfect.B)Whatdeterminessuccess. D)Howimportantnaturaltalentis.6. A)Itknocksatyourdooronlyonceinawhile.B)Itissomethingthatnoonecanpossiblycreate.C)Itcomesnaturallyoutofone’sself-confidence.D)Itmeansbeinggoodatseizingopportunities.7. A)Luckrarelycontributestoaperson’ssuccess.B)Onemusthavenaturaltalenttobesuccessful.C)Oneshouldalwaysbereadytoseizeopportunities.D)Practiceisessentialtobecominggoodatsomething.8. A)Puttingtimeandeffortintofunthingsisprofitable.B)Peoplewholovewhattheydocarelittleaboutmoney.C)Beingpassionateaboutworkcanmakeonewealthy.D)Peopleinneedofmoneyworkhardautomatically.SectionBDirections:Inthissection,youwillheartwopassages.Attheendofeachpassage,youwillhearthreeorfourquestions.Boththepassageandthequestionswillbespokenonlyonce.Afteryouhearaquestion,youmustchoosethebestanswerfromthefourchoicesmarkedA),B),C)andD).ThenmarkthecorrespondingletteronAnswerSheet1withasinglelinethroughthecentre.Questions9to12arebasedonthepassageyouhavejustheard.9. A)Thestumpofagianttree. C)Thepeakofamountain.B)Ahugepieceofrock. D)Atallchimney.10. A)Humanactivity. C)Chemicalprocesses.B)Windandwater. D)Fireandfury.11. A)Itisahistoricalmonument. C)ItisIndians’sacredplaceforworship.B)Itwasbuiltinancienttimes. D)Itwascreatedbysupernaturalpowers.12. A)Byshelteringtheminacave. C)Byliftingthemwellabovetheground.B)Bykillingtheattackingbears. D)Bytakingthemtothetopofamountain.Questions13to15arebasedonthepassageyouhavejustheard.13. A)Theywillbuysomethingfromtheconveniencestores.B)Theywilltakeadvantageofthetimetorestawhile.C)Theywillhavetheirvehicleswashedorserviced.D)Theywillpickupsomesouvenirsorgiftitems.14. A)Theycanbringonlytemporarypleasures.B)Theyaremeantfortheextremelywealthy.C)Theyshouldbedoneawaywithaltogether.D)Theymayeventuallydriveonetobankruptcy.15. A)Agoodwaytosocializeistohavedailylunchwithone’scolleagues.B)Retirementsavingsshouldcomefirstinone’sfamilybudgeting.C)Avacationwillbeaffordableifonesaves20dollarsaweek.D)Smalldailysavingscanmakeabigdifferenceinone’slife.SectionCDirections:Inthissection,youwillhearthreerecordingsoflecturesortalksfollowedbythreeorfourquestions.Therecordingswillbeplayedonlyonce.Afteryouhearaquestion,youmustchoosethebestanswerfromthefourchoicesmarkedA),B),C)andD).ThenmarkthecorrespondingletteronAnswerSheet1withasinglelinethroughthecentre.Questions16to18arebasedontherecordingyouhavejustheard.16. A)Theyshouldbedoneawaywith. C)Theyenrichourexperience.B)Theyarenecessaryinourlives. D)Theyareharmfultohealth.17. A)Theyfeelstressedoutevenwithoutanychallengesinlife.B)Theyfeeltoooverwhelmedtodealwithlife’sproblems.C)Theyareanxioustofreethemselvesfromlife’stroubles.D)Theyareexhaustedevenwithoutdoinganyheavywork.18. A)Theyexpandourmind. C)Theynarrowourfocus.B)Theyprolongourlives. D)Theylessenourburdens.Questions19to22arebasedontheconversationyouhavejustheard.19. A)Itisnoteasilybreakable. C)Itrepresentsthelateststyle.B)Itcamefroma3Dprinter. D)Itwasmadebyafashiondesigner.20. A)Whenshehadjustgraduatedfromhercollege.B)WhensheattendedaconferenceinNewYorkC)Whenshewasstudyingatafashiondesignschool.D)Whensheattendedafashionshowninemonthsago.21. A)Itwasdifficulttoprint. C)Itwashardandbreakable.B)Itwashardtocomeby. D)Itwasextremelyexpensive.22. A)Itisthelatestmodelofa3Dprinter.B)Itisaplasticwidelyusedin3Dprinting.C)Itgivesfashiondesignersroomforimagination.D)Itmarksabreakthroughinprintingmaterial.Questions23to25arebasedontherecordingyouhavejustheard.23. A)Theyarisefromtheadvancesintechnology.B)Theyhavenotbeenexaminedindetailsofar.C)Theyareeasytosolvewithmoderntechnology.D)Theycan’tbesolvedwithoutgovernmentsupport.24. A)Itisattractivetoentrepreneurs. C)Itfocusesonnewproducts.B)Itdemandshugeinvestment. D)Itisintenselycompetitive.25. A)Cooperationwithbigcompanies. C)In-servicetrainingofITpersonnel.B)Recruitingmorequalifiedstaff. D)Sharingofcostswitheachother.PartⅢReadingComprehension(40minutes)SectionADirections:Inthissection,thereisapassagewithtenblanks.Youarerequiredtoselectonewordforeachblankfromalistofchoicesgiveninawordbankfollowingthepassage.Readthepassagethroughcarefullybeforemakingyourchoices.Eachchoiceinthebankisidentifiedbyaletter.PleasemarkthecorrespondingletterforeachitemonAnswerSheet2withasinglelinethroughthecentre.Youmaynotuseanyofthewordsinthebankmorethanonce.Questions26to35arebasedonthefollowingpassage.Itisimportantthatscientistsbeseenasnormalpeopleaskingandansweringimportantquestions.Good,soundsciencedependson26,experimentsandreasonedmethodologies.Itrequiresawillingnesstoasknewquestionsandtrynewapproaches.Itrequiresonetotakerisksandexperiencefailures.Butgoodsciencealsorequires27understanding,clearexplanationandconcisepresentation.Ourcountryneedsmorescientistswhoarewillingtostepoutinthepublic28andoffertheiropinionsonimportantmatters.Weneedmorescientistswhocanexplainwhattheyaredoinginlanguagethatis29andunderstandabletothepublic.Thoseofuswhoarenotscientistsshouldalsobepreparedtosupportpublicengagementbyscientists,andto30scientificknowledgeintoourpubliccommunications.Toomanypeopleinthiscountry,includingsomeamongourelectedleadership,stilldonotunderstandhowscienceworksorwhyrobust,long-rangeinvestmentsinresearchvitallymatter.Inthe1960s,theUnitedStates31nearly17%ofdiscretionary(可酌情支配)spendingtoresearchanddevelopment,32decadesofeconomicgrowth.By,thefigurehadfallenintothesingle33Thisoccursatatimewhenothernationshavemadesignificantgainsintheirownresearchcapabilities.AttheUniversityofCalifornia(UC),we34ourselvesnotonlyonthequalityofourresearch,butalsoonitscontributiontoimprovingourworld.To35thedevelopmentofsciencefromthelabbenchtothemarketplace,UCisinvestingourownmoneyinourowngoodideas.A.arenaB.contextualC.convincingD.devotedE.digitsF.hastenG.hypothesesH.impairingI.incorporateJ.indefiniteK.indulgeL.inertiaM.prideN.reapingO.warrantSectionBDirections:Inthissection,youaregoingtoreadapassagewithtenstatementsattachedtoit.Eachstatementcontainsinformationgiveninoneoftheparagraphs.Identifytheparagraphfromwhichtheinformationisderived.Youmaychooseaparagraphmorethanonce.Eachparagraphismarkedwithaletter.AnswerthequestionsbymarkingthecorrespondingletteronAnswerSheet2.AreWeinanInnovationLull?[A]Scanthehighlightsofthisyear'sConsumerElectronicsShow(CES),andyoumaygetaslightfeelingofhavingseenthembefore.Manyofthecoolestgadgetsthisyeararethesameasthecoolestgadgetslastyear--ortheyearbefore,even.Theboothsarestillexciting,andthedemosarestilljustascrazy.Itisstilleasytobedazzledbythedisplayofdrones(无人机),3Dprinters,virtualrealitygoggles(眼镜)andmore"smart"devicesthanyoucouldeverhopetocatalog.Uponreflection,however,itisequallyeasytofeellikeyouhaveseenitallbefore.Anditishardnottothink:Areweinaninnovationlull(间歇期)?[B]Insomeways,theanswerisyes.Foryears,smartphones,televisions,tablets,laptopsanddesktopshavemadeupahugepartofthemarketanddriveninnovation.Butnowthesesegmentsarelookingatslowergrowthcurves--orshrinkingmarketsinsomecases--asconsumersarenotaseagertospendmoneyonnewgadgets.Meanwhile,emergingtechnologies--thedrones,3Dprintersandsmart-homedevicesoftheworld--nowseemabittoooldtobecalled"thenextbigthing."[C]Basicallythetechindustryseemstobeinanawkwardperiodnow."Thereisnotanyone-hitwonder,andtherewillnotbeoneforyearstocome,"saidGaryShapiro,presidentandchiefexecutiveoftheConsumerTechnologyAssociation(CTA).Inhiseyes,however,thatdoesn'tnecessarilymeanthatinnovationhasstopped.Ithasjustgrownupalittle."Manyindustriesaregoingoutofinfancyandbecomingadolescents,"Shapirosaid.[D]Forinstance,newtechnologiesthatarebuildinguponexistingtechnologyhavenotfoundtheirfootingwellenoughtoappealtoamassaudience,because,inmanycases,theyneedtoworkeffectivelywithotherdevicestorealizetheirfullappeal.Taketheevolutionofthesmarthome,forexample.Companiesarepushingithardbutmakeitalmostoverwhelmingeventodipatoeinthewaterfortheaverageconsumer,becausetherearesomanycompatibilityissuestothinkabout.Noaveragepersonwantstofigureoutwhethertheirfavoritecalendarsoftwareworkswiththeirfridgeorwhethertheirwashingmachineandtabletgetalong.Havingtoinstalladifferentappforeachsmartapplianceinyourhomeisannoying;itwouldbenicerifyoucouldmanageeverythingtogether.Andwhileyoumayforgiveyoursmartphoneanoccasionalfault,youprobablyhavelesspatienceforerrormessagesfromyourdoorlock.[E]Companiesarepromotingtheirownstandards,andthemarkethasnothadtimetochooseawinneryetasthisisstillverynew.Companiesthathavelongfocusedonhardwarenowhavetothinkofecosystemsinsteadtogiveconsumerspracticalsolutionstotheireverydayproblems."Thedialogueischangingfromwhatistechnologicallypossibletowhatistechnologicallymeaningful,"saideconomistShawnDuBravac.DuBravacworksforCTA--whichputsontheshoweachyear--andsaidthatthisshifttoasearchforsolutionshasbeennoticeableasheresearchedhispredictionsfor.[F]"SomuchofwhatCEShasbeenaboutisthecool.Itisabouttheflashinessandthegadgets,"saidJohnCurran,managingdirectorofresearchatAccenture."Butoverthelastcoupleofyears,andinthisoneinparticular,wearestartingtoseecompaniesshiftfromwhatisthelargestscreensize,thesmallestformfactorortheshiniestobjectandmoreintowhatallofthesedevicesdothatispracticalinaconsumer'slife."Eventhetechnologypressconferences,whichhavebeenhigh-profileinthepastandreachedalevelofdramaandtheatricsfittingforaLasVegasstage,haveadifferentbenttothem.Ratherthanjustdazzlingwithahighcoolfactor,thereisafocusonthepractical.Fitbit,forexample,releaseditsfirstsmartwatchMonday,sellingwithaclearpurpose--toimproveyourfitness--andpromotingitasa"tool,notatoy."Notonlythat,itsupportsanumberofplatforms:Apple'siOS,谷歌'sAndroidandMicrosoft'sWindowsphone.[G]Thatseemstobewhatconsumersaredemanding,afterall.Consumersarebecomingincreasinglyboredwithwhatcompanieshavetooffer:Asurveyof28,000consumersin28countriesreleasedbyAccenturefoundconsumersarenotasexcitedabouttechnologyastheyoncewere.Forexample,whenaskedwhethertheywouldbuyanewsmartphonethisyear,only48percentsaidyes--asix-pointdropfrom.[H]Andwhenitcomestothehyper-connectedsuper-smartworldthattechnologyfirmsarepaintingforus,itseemsthatconsumersaregrowingmoreuneasyabouthandingoverthemassiveamountsofconsumerdataneededtoprovidethepersonalized,customizedsolutionsthatcompaniesneedtoimprovetheirservices.Thatcouldbeanotherexplanationforwhycompaniesseemtobestrengtheningtheirtalkofthepracticalityoftheirdevices.[I]Companieshavealreadywonpartofthebattle,havingdriventechintoeverypartofourlives,trackingourstepsandourveryheartbeats.Yetthepersistentquestionof"WhydoIneedthat?"--or,perhapsmoretellingly,"Whydoyouneedtoknowthat?"--dogsthestepsofmanynewventures.Only13percentofrespondentssaidthattheywereinterestedinbuyingasmartwatchin,forexample--anincreaseofjustonepercentfromthepreviousyeardespiteayearofhigh-profilelaunches.Thatisbadnewsforanyfirmthatmayhopethatsmartwatchescanmakeupgroundformaturingsmartphoneandtabletmarkets.Andthesurveyfoundflatdemandforfitnessmonitors,smartthermostats(恒温器)andconnectedhomecameras,aswell.[J]Accordingtothesurvey,thatlackofenthusiasmcouldstemfromconcernsaboutprivacyandsecurity.Evenamongpeoplewhohaveboughtconnecteddevicesofsomekind,37percentsaidthattheyaregoingtobemorecautionsaboutusingthesedevicesandservicesinthefuture.Afull18percenthaveevenreturneddevicesuntiltheyfeeltheycangetsaferguaranteesagainsthavingtheirsensitiveinformationhacked.[K]That,too,explainstheheavyWashingtonpresenceatthisyear'sshow,asthesenewtechnologiesintrudeuponheavilyregulatedareas.InadditiontomanyseniorofficialsfromtheFederalTradeandFederalCommunicationscommissions,thisyear'slistofpolicymakersalsoincludesappearancesfromTransportationSecretaryAnthonyFoxx,totalkaboutsmartcities,andFederalAviationAdministrationAdministratorMichaelHuerta,totalkaboutdrones.[L]Curran,theAccentureanalyst,saidthatincreasedgovernmentinterestintheshowmakessenseastechnologybecomesalargerpartofourlives."Thereisanincompatibilityintherateatwhichtheseareadvancingrelativetothewaywe'redigestingit,"hesaid."Technologyisbecomingbiggerandmoreaspirational,andpenetratingalmosteveryaspectofourlives.Wehavetounderstandandthinkabouttheimplications,andbalancethesegreatinnovationswiththepotentialdownsidestheynaturallycarrywiththem."36.Consumersareoftenhesitanttotrysmart-homedevicesbecausetheyareworriedaboutcompatibilityproblems.37.Thisyear'selectronicsshowfeaturedthepresenceofmanyofficialsfromthefederalgovernment.38.Themarketdemandforelectronicdevicesisnoweitherdecliningornotgrowingasfastasbefore.39.Oneanalystsuggestsitisnecessarytoacceptbothtliepositiveandnegativeaspectsofinnovativeproducts.40.TheConsumerElectronicsShowinrecentyearshasbeguntofocusmoreonthepracticalvaluethantheshowinessofelectronicdevices.41.Fewerinnovativeproductswerefoundatthisyear'selectronicproductsshow.42.Consumersarebecomingmoreworriedaboutgivingpersonalinformationtotechcompaniestogetcustomizedproductsandservices.43.TheConsumerTechnologyAssociationisthesponsoroftheannualConsumerElectronicsShow.44.Manyconsumerswonderaboutthenecessityofhavingtheirfitnessmonitored.45.Theelectronicindustryismaturingeventhoughnowonderproductshitthemarket.SectionCDirections:Thereare2passagesinthissection.Eachpassageisfollowedbysomequestionsorunfinishedstatements.ForeachofthemtherearefourchoicesmarkedA,B,CandD.YoushoulddecideonthebestchoiceandmarkthecorrespondingletteronAnswerSheet2withasinglelinethroughthecentre.PassageOneQuestions46to50arebasedonthefollowingpassage.TheParisclimateagreementfinalisedinDecemberlastyearheraldedaneweraforclimateaction.Forthefirsttime,theworld'snationsagreedtokeepglobalwarmingwellbelow2℃.Thisisvitalforclimate-vulnerablenations.Fewerthan4%ofcountriesareresponsibleformorethanhalfoftheworld'sgreenhousegasemissions.InastudypublishedinNatureScientificReports,werevealjusthowdeepthisinjusticeruns.DevelopednationssuchasAustralia,theUnitedStates,Canada,andEuropeancountriesareessentiallyclimate"free-riders":causingthemajorityoftheproblemsthroughhighgreenhousegasemissions,whileincurringfewofthecostssuchasclimatechange'simpactonfoodandwater.Inotherwords,afewcountriesarebenefitingenormouslyfromtheconsumptionoffossilfuels,whileatthesametimecontributingdisproportionatelytotheglobalburdenofclimatechange.Ontheflipside,therearemany"forcedriders",whoaresufferingfromtheclimatechangeimpactsdespitehavingscarcelycontributedtotheproblem.Manyoftheworld'smostclimatevulnerablecountries,themajorityofwhichareAfricanorsmallislandstates,produceaverysmallquantityofemissions.Thisismuchlikeanon-smokergettingcancerfromsecond-handsmoke,whiletheheavysmokerisfortunateenoughtosmokeingoodhealth.TheParisagreementhasbeenwidelyhailedasapositivestepforwardinaddressingclimatechangeforall,althoughthedetailsonaddressing"climatejustice"canbebestdescribedassketchy.Thegoalofkeepingglobaltemperaturerise"wellbelow"2~Ciscommendablebuttheemissions-reductionpledgessubmittedbycountriesleadinguptotheParistalksareveryunlikelytodeliveronthis.Morethan$100billioninfundinghasbeenputonthetableforsupportingdevelopingnationstoreduceemissions.However,theagreementspecifiesthatthereisnoformaldistinctionbetweendevelopedanddevelopingnationsintheirresponsibilitytocutemissions,effectivelyignoringhistoricalemissions.Thereisalsoverylittledetailonwhowillprovidethefundsor,importantly,whoisresponsiblefortheirprovision.Securingthesefunds,andestablishingwhoisresponsibleforraisingthemwillalsobevitalforthefutureofclimate-vulnerablecountries.Themostclimate-vulnerablecountriesintheworldhavecontributedverylittletocreatingtheglobaldiseasefromwhichtheynowsufferthemost.Theremusturgentlybeameaningfulmobilisationofthepoliciesoutlinedintheagreementifwearetoachievenationalemissionsreductionswhilehelpingthemostvulnerablecountriesadapttoclimatechange.Anditisclearlyuptothecurrentgenerationofleadersfromhigh-emittingnationstodecidewhethertheywanttoberememberedasclimatechangetyrantsorpioneers.46.TheauthoriscriticaloftheParisclimateagreementbecauseA.itisunfairtothoseclimate-vulnerablenationsB.itaimstokeeptemperaturerisebelow2℃onlyC.itisbeneficialtoonlyfewerthan4%ofcountriesD.itburdensdevelopedcountrieswiththesoleresponsibility47.Whydoestheauthorcallsomedevelopedcountriesclimate"free-riders"?A.Theyneedn'tworryaboutthefoodandwatertheyconsume.B.Theyarebetterabletocopewiththeglobalclimatechange.C.Theyhardlypayanythingfortheproblemstheyhavecaused.D.Theyarefreefromthegreenhouseeffectsaffecting"forcedriders".48.Whydoestheauthorcomparethe"forcedriders"tosecond-handsmokers?A.Theyhavelittleresponsibilityforpublichealthproblems.B.Theyarevulnerabletounhealthyenvironmentalconditions.C.Theyhavetobearconsequencestheyarenotresponsiblefor.D.Theyareunawareofthepotentialriskstheyareconfronting.49.Whatdoestheauthorsayaboutthe$100billionfunding?A.Itwillmotivateallnationstoreducecarbonemissions.B.Thereisnofinalagreementonwhereitwillcomefrom.C.Thereisnoclarificationofhowthemoneywillbespent.D.Itwilleffectivelyreducegreenhouseemissionsworldwide.50.whaturgentactionmustbetakentorealisetheParisclimateagreement?A.Encouraginghigh-emittingnationstotaketheinitiative.B.Callingonallthenationsconcernedtomakejointefforts.C.Pushingthecurrentworldleaderstocometoaconsensus.D.Puttingineffectthepoliciesintheagreementatonce.PassageTwoQuestions51to55arebasedonthefollowingpassage.Teenagersatriskofdepression,anxietyandsuicideoftenweartheirtroubleslikeaneon(霓虹灯)sign.Theirriskybehaviors--drinkingtoomuchalcohol,usingillegaldrugs,smokingcigarettesandskippingschool--canalertparentsandteachersthatseriousproblemsarebrewing.Butanewstudyfindsthatthere'sanothergroupofadolescentswhoareinnearlyasmuchdangerofexperiencingthesamepsychiatricsymptoms:teenswhousetonsofmedia,don'tgetenoughsleepandhaveasedentary(不爱活动)lifestyle.Ofcourse,thatmaysoundlikeadescriptionofeveryteenagerontheplanet.Butthestudywarnsthatitisteenagerswhoengageinallthreeofthesepracticesintheextremewhoaretrulyinjeopardy.Becausetheirbehaviorsarenotusuallyseenasaredflag,theseyoungpeoplehavebeendubbedthe"invisiblerisk"groupbythestudy'sauthors."Insomewaysthey'reatgreaterriskoffallingthroughthecracks,"saysresearcherVladimirCarli."Whilemostparents,teachersandclinicianswouldreacttoanadolescentusingdrugsorgettingdrunk,theymayeasilyoverlookteenagerswhoareengagingininconspicuousbehaviors."Thestudy'sauthorssurveyed12,395studentsandanalyzednineriskbehaviors,includingexcessivealcoholuse,illegaldruguse,heavysmoking,highmediauseandtruancy(逃学).Theiraimwastodeterminetherelationshipbetweentheseriskbehaviorsandmentalhealthissuesinteenagers.About58%ofthestudentsdemonstratednoneorfewoftheriskbehaviors.Some13%scoredhighonallnineoftheriskbehaviors.And29%,the"invisiblerisk"group,scoredhighonthreeinparticular:Theyspentfivehoursadayormoreonelectronicdevices.Theysleptsixhoursanightorless.Andtheyneglected"otherhealthyactivities."Thegroupthatscoredhighonallnineoftheriskbehaviorswasmostlikelytoshowsymptomsofdepression;inall,nearly15%ofthisgroupreportedbeingdepressed,comparedwithjust4%ofthelow-riskgroup.Buttheinvisiblegroupwasn'tfarbehindthehigh-riskset,withmorethan13%ofthemexhibitingdepression.ThefindingscaughtCarlioffguard."Wewereverysurprised,"hesays."Thehigh-riskgroupandlow-riskgroupareobvious.Butthisthirdgroupwasnotonlyunexpected,itwassodistinctandsolarge--nearlyonethirdofoursample--thatitbecameakeyfindingofthestudy."Carlisaysthatoneofthemostsignificantthingsabouthisstudyisthatitprovidesnewearly-warningsignsforparents,teachersandmentalhealth-careproviders.Andearlyidentification,supportandtreatmentformentalhealthissues,hesays,arethebestwaystokeepthemfromturningintofull-blowndisorders.51.Whatdoestheauthormeanbysaying"Teenagersatriskofdepression,anxietyandsuicideoftenweartheirtroubleslikeaneonsign"(Lines1-2,Para.1)?A.Mentalproblemscannowbefoundinlargenumbersofteenagers.B.Teenagers'mentalproblemsaregettingmoreandmoreattention.C.Teenagers'mentalproblemsareoftentooconspicuousnottobeobserved.D.Depressionandanxietyarethemostcommonsymptomsofmentalproblems.52.Whatisthefindingofthenewstudy?A.Teenagers'lifestyleshavechangedgreatlyinrecentyears.B.Manyteenagersresorttodrugsoralcoholformentalrelief.C.Teenagersexperiencingpsychologicalproblemstendtousealotofmedia.D.Manyhithertounobservedyoungstersmayhavepsychologicalproblems.53.Whydotheresearchersrefertoteenswhousetonsofmedia,don'tgetenoughsleepandhaveasedentarylifestyleasthe"invisiblerisk"group?A.Theirbehaviorscanbeaninvisiblethreattosociety.B.Theirbehaviorsdonotconstituteawarningsignal.C.Theirbehaviorsdonottendtowardsmentalproblems.D.Theirbehaviorscanbefoundinalmostallteenagersonearth.54.Whatdoesthenewstudyfindabouttheinvisiblegroup?A.Theyarealmostasliabletodepressionasthehigh-riskgroup.B.Theysufferfromdepressionwithoutshowinganysymptoms.C.Theydonotoftendemonstrateriskybehaviorsastheirpeers.D.Theydonotattractthemediaattentionthehigh-riskgroupdoes.55.WhatisthesignificanceofVladimirCarli'sstudy?A.Itoffersanewtreatmentforpsychologicalproblemsamongteenagers.B.Itprovidesnewearly-warningsignalsforidentifyingteensintrouble.C.Itmayhavefoundanidealwaytohandleteenagerswithbehavioralproblems.D.Itshedsnewlightonhowunhealthybehaviorstriggermentalhealthproblems.PartⅣTranslation(30minutes)Di