《大学英语六级（CET-6）模拟考试试题》

《大学英语六级（CET-6）模拟考试试题》试卷类型：全国大学英语六级考试模拟试卷考试时间：130分钟总分：710分PartIWriting(30minutes)(分值：106.5分)Directions:Forthispart,youareallowed30minutestowriteanessayonthetopicTheImpactofArtificialIntelligenceontheFutureJobMarket.Youshouldwriteatleast150wordsbutnomorethan200words.WriteyouressayonAnswerSheet1.PartIIListeningComprehension(30minutes)(分值：248.5分)SectionADirections:Inthissection,youwillheartwolongconversations.Attheendofeachconversation,youwillhearfourquestions.Boththeconversationandthequestionswillbespokenonlyonce.Afteryouhearaquestion,youmustchoosethebestanswerfromthefourchoicesmarkedA),B),C)andD).ThenmarkthecorrespondingletteronAnswerSheet1withasinglelinethroughthecentre.Questions1to4arebasedontheconversationyouhavejustheard.A)Theyarediscussinganewscientificdiscovery.B)Theyarepreparingforajobinterview.C)Theyareplanningaweekendtrip.D)Theyareanalyzingacasestudyforaclass.A)Itistime-consumingandrequirespatience.B)Itishighlyrewardingandwell-paid.C)Itisbecomingincreasinglyautomated.D)Itisonlysuitableforpeoplewithcertainpersonalitytraits.A)Thecandidate'sacademicqualifications.B)Thecandidate'spreviousworkexperience.C)Thecandidate'sproblem-solvingskillsandadaptability.D)Thecandidate'sknowledgeofthecompany'shistory.A)Themanisconfidentaboutgettingthejob.B)Thewomanisanexperiencedcareeradvisor.C)TheinterviewisscheduledfornextMonday.D)Thepositionisinthefieldofdataanalysis.Questions5to8arebasedontheconversationyouhavejustheard.5.A)Inacampuslibrary.B)Inaprofessor'soffice.C)Inastudentdormitory.D)Inauniversitycafeteria.6.A)Hefindsthereadingmaterialstoodifficult.B)Heisstrugglingtomanagehistimeeffectively.C)Hedisagreeswiththeprofessor'steachingmethods.D)Heisnotinterestedinthecoursecontent.7.A)Todropthecourseandtakeitnextsemester.B)Toformastudygroupwithclassmates.C)Toseekhelpfromthewritingcenteroncampus.D)Totalktotheprofessorduringofficehours.8.A)Theprofessorisknowntobeverystrict.B)Thewomanhastakenthiscoursebefore.C)Theman'smainproblemiswithessaywriting.D)Theassignmentisdueintwoweeks.SectionBDirections:Inthissection,youwillheartwopassages.Attheendofeachpassage,youwillhearthreeorfourquestions.Boththepassageandthequestionswillbespokenonlyonce.Afteryouhearaquestion,youmustchoosethebestanswerfromthefourchoicesmarkedA),B),C)andD).ThenmarkthecorrespondingletteronAnswerSheet1withasinglelinethroughthecentre.Questions9to11arebasedonthepassageyouhavejustheard.9.A)ThehistoryofpublictransportationinLondon.B)ThearchitecturalstyleoftheLondonUnderground.C)ThepsychologicaleffectsofcommutingontheTube.D)Auniquesocialexperimentconductedunderground.10.A)Theytendtoavoidmakingeyecontact.B)Theyaremorelikelytostartconversations.C)Theyprefertostandratherthansit.D)Theyoftenlistentomusicathighvolume.11.A)Itreducesstresslevelsamongcommuters.B)Itencouragesasenseofcommunity.C)Itisaresponsetocrowdedpersonalspace.D)Itisaruleenforcedbytransportationstaff.Questions12to15arebasedonthepassageyouhavejustheard.12.A)Aseveredroughtaffectingcropyields.B)Thediscoveryofanewwaterconservationmethod.C)Theimpactofclimatechangeonasmallfarmingcommunity.D)Theeconomicbenefitsoftraditionalirrigation.13.A)Theymovedtourbanareasforwork.B)Theycompletelyabandonedfarming.C)Theyadopteddripirrigationtechnology.D)Theystartedgrowingdifferenttypesofcrops.14.A)Itrequiresalargeinitialinvestment.B)Itislesseffectivethanfloodirrigation.C)Itcandoublethewateruseefficiency.D)Itisonlysuitableforlarge-scalefarms.15.A)Skepticalbutwillingtotry.B)Enthusiasticandimmediatelysupportive.C)Resistantduetoculturaltraditions.D)Unconcernedandindifferent.SectionCDirections:Inthissection,youwillhearthreerecordingsoflecturesortalksfollowedbythreeorfourquestions.Therecordingswillbeplayedonlyonce.Afteryouhearaquestion,youmustchoosethebestanswerfromthefourchoicesmarkedA),B),C)andD).ThenmarkthecorrespondingletteronAnswerSheet1withasinglelinethroughthecentre.Questions16to18arebasedontherecordingyouhavejustheard.16.A)Theprocessofvolcanicislandformation.B)TheuniqueecosystemofSurtseyIsland.C)Methodsforpredictingvolcaniceruptions.D)Theimpactoftourismonnewislands.17.A)ItisoneoftheoldestislandsonEarth.B)Itsformationwascontinuouslyobservedbyscientists.C)Itisinhabitedbyalargenumberofplantspecies.D)Itisnowapopulartouristdestination.18.A)Howquicklylifecancolonizeanewlandmass.B)Thedangersofunderwatervolcanicactivity.C)Theimportanceofpreservinggeologicalsites.D)Theeconomicpotentialofnewislands.Questions19to21arebasedontherecordingyouhavejustheard.19.A)Thedeclineofcriticalthinkingskillsinthedigitalage.B)Theneurologicalbasisforformingfirstimpressions.C)Strategiesformakingbetterbusinessdecisions.D)Theroleofempathyinpersonalrelationships.20.A)Theyarealwaysaccurateandreliable.B)Theyareformedprimarilybasedonvisualcues.C)Theycanbechangedeasilywithnewinformation.D)Theyareprocessedbytheprefrontalcortex.21.A)Toavoidmakingsnapjudgmentsaboutpeople.B)Torelymoreondataandlessonintuitioninhiring.C)Tounderstandthesubconsciousbiasesinourthinking.D)Toimproveourabilitytoreadfacialexpressions.Questions22to25arebasedontherecordingyouhavejustheard.22.A)Aliterarycriticanalyzingpoeticdevices.B)Ahistoriandiscussingeconomictrends.C)Alinguisttracingtheevolutionofslang.D)Aphilosopherdebatingethicaltheories.23.A)Itoriginatedinonlinegamingcommunities.B)ItwasfirstusedinAmericannewspapers.C)Itspreadrapidlythroughsocialmediaplatforms.D)Itwascoinedbyafamousmusician.24.A)Itdemonstratesthecreativityoflanguageusers.B)Itshowstheinfluenceofyouthcultureonvocabulary.C)Ithighlightsthespeedoflexicalchangeintheinternetera.D)Alloftheabove.25.A)Newwordsarelessmeaningfulthantraditionalones.B)Dictionariesshouldresistincludinginformalslang.C)Languagechangeisaneutral,ongoingprocess.D)Thepurityofalanguagemustbeprotected.PartIIIReadingComprehension(40minutes)(分值：248.5分)SectionADirections:Inthissection,thereisapassagewithtenblanks.Youarerequiredtoselectonewordforeachblankfromalistofchoicesgiveninawordbankfollowingthepassage.Readthepassagethroughcarefullybeforemakingyourchoices.Eachchoiceinthebankisidentifiedbyaletter.PleasemarkthecorrespondingletterforeachitemonAnswerSheet2withasinglelinethroughthecentre.Youmaynotuseanyofthewordsinthebankmorethanonce.Questions26to35arebasedonthefollowingpassage.Theconceptofthe"circulareconomy"hasgainedsignificanttractionasasustainablealternativetothetraditionallinearmodelof"take,make,dispose."Inessence,itaimstodecoupleeconomicgrowthfromtheconsumptionoffiniteresourcesbydesigningwasteoutofthesystem.Productsandmaterialsarekeptinuseforaslongaspossible,theirmaximumvalueis26whileinuse,andattheendoftheirservicelife,theyarerecoveredandregenerated.Thismodelrequiresafundamental27inhowwedesign,produce,andconsume.Itmovesbeyondmererecycling,whichoftenresultsin"downcycling"–turningmaterialsintolower-valueproducts.Instead,itemphasizessmarterdesignfromtheoutset:designingproductsfordurability,reuse,easyrepair,and,ultimately,fordisassemblysothatcomponentsandmaterialscanbeefficiently28or"upcycled"intonew,high-qualityproducts.Thepotentialbenefitsare29.Forbusinesses,itcanleadtosubstantialcostsavingsfromreducedmaterialneeds,fosterinnovation,andbuildmore30supplychainslessvulnerabletoresourcepriceshocks.Forsociety,itpromisesareductioninenvironmentaldegradation,greenhousegasemissions,andpollution.Itcouldalsocreatenewjobopportunitiesinsectorslikerepair,remanufacturing,andwastemanagement.However,thetransitionisfraughtwithchallenges.Itdemandsunprecedentedlevelsof31acrossentirevaluechains,fromproductdesignersandmanufacturerstoretailers,consumers,andwastemanagers.Currenteconomic32,suchassubsidiesforvirginmaterialsortaxesthatfavordisposaloverrepair,oftenactasbarriers.Furthermore,consumermindsetsgearedtowardsfastfashionandfrequentupgradesneedtoevolvetowardsvaluinglongevityandservice.Technologicalinnovationisakeyenabler.Advancedmaterialsscience,theInternetofThings(IoT)fortrackingproductsandmaterials,anddigitalplatformsthatfacilitatesharingandsecond-handmarketsareall33thecircularmodel.Yet,technologyaloneisinsufficient.Supportivepolicyframeworks,includingextendedproducerresponsibility(EPR)schemesandgreenpublicprocurement,arecrucialtocreatealevelplayingfieldandstimulateinvestment.Theshifttoacirculareconomyisnotmerelyanenvironmentalimperativebutaneconomicandsocialone.Itrepresentsasystemic34thatredefinesourrelationshipwithresources.Whilethepathforwardiscomplex,thevisionofaneconomythatoperateswithinplanetaryboundariesandgeneratesprosperitywithoutwasteoffersacompellingandnecessarygoalforthe21stcentury.Itssuccessfulimplementationwilldependonthecollectivewilland35actionofallstakeholders.WordBank:A)collaborationB)coherentC)considerableD)extractedE)incentivesF)paradigmG)reclaimedH)resilientI)shiftJ)staggeringK)sustainedL)transformationM)underpinningN)utilizedO)visionarySectionBDirections:Inthissection,youaregoingtoreadapassagewithtenstatementsattachedtoit.Eachstatementcontainsinformationgiveninoneoftheparagraphs.Identifytheparagraphfromwhichtheinformationisderived.Youmaychooseaparagraphmorethanonce.Eachparagraphismarkedwithaletter.AnswerthequestionsbymarkingthecorrespondingletteronAnswerSheet2.TheEnigmaofAnimalNavigation[A]Everyyear,myriadanimalspeciesundertakeepicjourneysacrosstheglobewithpinpointaccuracy.MonarchbutterfliesflutterthousandsofkilometersfromNorthAmericatospecificmountainforestsinMexico.Arcticternsmakeapole-to-poleroundtrip.Salmonreturnfromtheoceantospawnintheveryfreshwaterstreamswheretheywereborn.Themechanismsbehindthesephenomenalfeatsofnavigationhavelongcaptivatedandpuzzledscientists.Howdocreatures,manywithtinybrains,performjourneysthatwouldchallengeeventhemostskilledhumannavigatorwithamapandcompass?[B]Researchhasrevealedthatanimalsuseasophisticatedsuiteofcues,oftenincombination,formingacomplex"multimodal"mapoftheworld.Oneofthemostfundamentalandwidespreadtoolsisthesuncompass.Bees,birds,andevensomespeciesoffishusethesun'spositionasareferencepoint.However,sincethesunmovesacrossthesky,thisrequiresaninternalcircadianclocktocompensateforthetimeofday.Experimentswithhomingpigeonsplacedinroomswithshiftedlight-darkcyclesconfirmedthis:theirnavigationdirectionshiftedpredictably,证明theirsuncompasswascalibratedbytheirinternalsenseoftime.[C]Fornocturnalmigrantsordeep-divingmarineanimals,thesunisnotavailable.Here,thestarcompasscomesintoplay.Indigobuntings,forinstance,learnthefixedpatternsofstarsaroundtheNorthStarasnestlings.Inplanetariumexperiments,whentheartificialnightskyisrotated,thebirdsreorienttheirintendedflightdirectionaccordingly.Thissuggestsalearned,ratherthanpurelyinstinctive,celestialmap.Butwhathappensoncloudynights?ThisiswheretheEarth'smagneticfieldprovidesaubiquitousandweather-proofguide.[D]Theabilitytoperceivethegeomagneticfield—magnetoreception—isperhapsthemostmysteriousoftheanimalnavigator'stools.Speciesrangingfromseaturtlesandspinylobsterstomigratorybirdspossessthissense.Evidencesuggeststwoprimary,notmutuallyexclusive,mechanisms.Thefirstisthoughttoinvolvemagneticminerals,likemagnetite,actingasmicroscopiccompassneedleswithintheanimal'sbody.Thesecond,morecomplexhypothesisinvolveslight-sensitivebiochemicalreactions,wheretheEarth'smagneticfieldinfluencesspeciallyadaptedmoleculesintheretina,potentiallyallowinganimalsto"see"magneticfieldsasvisualpatternsorhues.[E]Beyondtheseglobalcues,localsignpostsarecrucialforthefinallegofajourney.Forsalmon,theuniquechemicalsignatureor"smell"oftheirnatalstream,imprintedduringtheirearlydevelopment,istheirresistiblehomingbeaconthatguidesthemupriver.Similarly,seaturtlesarebelievedtousewavepatternsandeventhespecificmagneticsignatureofcoastalareastofindtheirwaytonestingbeaches.Homingpigeonsareknowntousefamiliarvisuallandmarks,likehighwaysorrivers,whenclosetotheirloft.[F]Perhapsthemostastonishingfindingisthatmanyanimalsusethesetoolsnotinisolation,butinanintegratedhierarchicalsystem.Amigratorybirdmightuseitsmagneticcompassasaprimary,constantguide.Thesuncompasscouldthenbeusedtocalibrateandrefinethismagneticmap,especiallyatsunriseandsunset.Olfactory(smell)cuesorvisuallandmarksmighttakeprecedenceforpin-pointaccuracyuponarrival.Thisredundancyandcross-checkingmakethesystemremarkablyrobust.[G]Humanactivityisnowcreatingnovelchallengesfortheseancientnavigationalsystems.Widespreadartificiallightatnight(ALAN)candisorientnocturnalmigrants,drawingthemintocitieswheretheycollidewithbuildingsorexhaustthemselves.Electromagneticnoisefromradiocommunicationsandpowerlineshasbeenshown,inlaboratorysettings,tointerferewithbirds'magneticcompasses.Chemicalpollutioncandisrupttheolfactorylandscapethatsalmondependon.Understandingtheseimpactsisnotjustanacademicpursuit;itiscriticalfortheconservationofmigratoryspeciesinanincreasinglyhuman-dominatedworld.[H]Thestudyofanimalnavigationcontinuestoyieldprofoundinsights.Itchallengesourunderstandingofsensorybiologyandcognition.Itinspirestechnologicalinnovation,suchasnewapproachestoroboticsandGPS-freenavigationsystems.Ultimately,unravelinghowabutterflyorabirdfindsitswayacrossacontinenthumblesus,revealinglayersofcomplexityandadaptationinnaturethatweareonlybeginningtocomprehend.Itunderscoresthattheanimalworldoperatesonasensoryandcognitivelandscapevastlydifferentfrom,andinmanywaysmorenuancedthan,ourown.Statements:36.ThesensethatallowsanimalstodetecttheEarth'smagneticfieldremainslargelyenigmatictoscientists.37.Animalsoftenrelyonacombinationofdifferentenvironmentalsignalstonavigatesuccessfully.38.Somebirdslearntonavigatebythestarsduringtheiryouth.39.Human-madestructuresandemissionscandisrupttheinnatenavigationalabilitiesofanimals.40.Ananimal'sinternalbiologicalclockisnecessaryforittousethesunasareliableguide.41.Thefinalapproachtoadestinationisoftenguidedbyhighlyspecificlocalcues,suchassmellsorsights.42.Researchintohowanimalsnavigatehaspotentialapplicationsforthedevelopmentofnewtechnologies.43.Theabilityofsmall-brainedcreaturestomakelong,accuratejourneysisasourceofscientificfascination.44.Experimentswithmanipulatedlightconditionshaveproventheconnectionbetweentimeperceptionandsun-basednavigation.45.Onetheoryproposesthatcertainanimalsmightperceivemagneticfieldsasavisualsensation.SectionCDirections:Thereare2passagesinthissection.Eachpassageisfollowedbysomequestionsorunfinishedstatements.ForeachofthemtherearefourchoicesmarkedA),B),C)andD).YoushoulddecideonthebestchoiceandmarkthecorrespondingletteronAnswerSheet2withasinglelinethroughthecentre.PassageOneQuestions46to50arebasedonthefollowingpassage.Thenotionof"helicopterparenting"–characterizedbyoverinvolvement,overprotection,andexcessivecontrolofachild'slife–hasbeenwidelycriticizedforstuntingdevelopment.However,asubtler,moretechnologically-enabledformofhyper-vigilanceisemerging:"snowplowparenting"(or"lawnmowerparenting").Whilehelicopterparentshover,snowplowparentsactivelyclearthepathahead,removinganyandallobstacles,discomforts,orpotentialfailuresbeforetheirchildeverencountersthem.Thismanifestsinmyriadways:aparentwhoconstantlyemailsprofessorstodisputegrades,completestheirteenager'ssciencefairproject,intervenesinplaygroundsquabbles,oruseslocation-trackingappstomonitoracollegestudent'severymove.Thedrivingforceisoftenapotentmixofanxietyaboutahyper-competitiveworldandadeep-seateddesiretoseeone'schildsucceed.Theunintendedconsequence,however,isthedeprivationofcriticallearningopportunities.Resilienceisnotbuiltbyavoidingadversity,butbynavigatingit.Whenparentssnowploweverychallenge,childrenarerobbedofthechancetodevelopproblem-solvingskills,toexperiencemanageablefrustrationandlearntocopewithit,tofailinasafeenvironmentanddiscoverthattheycanrecover.Theymaydevelopanexternallocusofcontrol,believingthatoutcomesaredeterminedbyoutsideforces(liketheirever-interveningparent)ratherthantheirownefforts.Thiscanleadtoheightenedanxiety,asenseofentitlement,andalackofpreparednessfortheinevitablehurdlesofadultlife,whereparentscannot–andshouldnot–alwaysintervene.Furthermore,thisparentingstylesendsatacitbutpowerfulmessage:"Idon'tbelieveyouarecapableofhandlingthisonyourown."Thiscanundermineachild'sself-efficacyandintrinsicmotivation.Whydevelopgritorresourcefulnessifsomeoneisalwaystheretosmooththeway?Thechild'srolebecomespassive,waitingforthenextobstacletoberemovedratherthanactivelyengagingwiththeworld.Thealternativeisnotneglect,butwhatpsychologistscall"authoritativeparenting"–providingwarmth,support,andclearboundaries,whilegraduallygrantingautonomyappropriatetothechild'sageandcompetence.Itmeansallowingachildtoforgettheirhomeworkandfacethenaturalconsequenceatschool,tohaveadifficultconversationwithacoachthemselves,ortonavigateaconfusingbusroute.Itinvolvesshiftingfromafocusonimmediateperformance(aperfectgrade,awinningtrophy)tolong-termcharacterdevelopment(resilience,responsibility,self-reliance).Inanageofconstantconnectionandheightenedparentalanxiety,steppingbackiscounterculturalanddifficult.Itrequirestoleratingone'sownanxietyaboutachild'sstruggles.Yet,byresistingtheurgetosnowplow,parentsdoagreaterservice:theyequiptheirchildrenwiththeinternaltoolstobuildtheirownpaths,obstaclesandall.Whatistheprimarycharacteristicthatdistinguishes"snowplowparenting"from"helicopterparenting"?A)Theuseofdigitaltechnologytomonitorchildren.B)Theactiveremovalofchallengesbeforethechildfacesthem.C)Ahigherlevelofanxietyaboutthechild'sfuture.D)Greaterinvolvementinthechild'sacademiclife.Accordingtothepassage,whatisakeynegativeoutcomeforchildrenofsnowplowparents?A)Theyarelikelytobecomeoverlydependentontechnology.B)Theymayfailtodevelopessentialproblem-solvingabilities.C)Theyoftenrejecttheirparents'helpduringadolescence.D)Theytendtoperformpoorlyinacademicsettings.Thephrase"externallocusofcontrol"(Para.3)mostlikelyreferstothebeliefthat________.A)one'slifeiscontrolledbyexternaltechnologicalforcesB)successorfailureisprimarilydeterminedbyone'sownactionsC)one'sparentsareresponsibleforremovinglife'sobstaclesD)outcomesinlifearelargelyinfluencedbyfactorsoutsideoneselfWhatmessagedoessnowplowparentingimplicitlyconveytothechild,accordingtotheauthor?A)"Theworldisadangerousandcompetitiveplace."B)"Iamalwaysheretosolveproblemsforyou."C)"Youarenotcompetentenoughtohandlechallengesalone."D)"Yourhappinessandsuccessaremyutmostpriority."Whatisthemainrecommendationtheauthorprovidesforparentsasanalternativetosnowplowparenting?A)Tocompletelydisengagefrommonitoringtheirchildren'sactivities.B)Toprovidesupportwhileallowingchildrentoexperienceage-appropriatechallenges.C)Tofocussolelyondevelopingtheirchildren'sacademicandextracurriculartalents.D)Tousetechnologyonlyforsafetypurposes,notformanagingdailyobstacles.PassageTwoQuestions51to55arebasedonthefollowingpassage.Intheannalsofexploration,thequesttoconquerthehighestpeakshaslongbeenanarrativeofsupremehumanendurance,technicalskill,and,often,profoundtragedy.However,inrecentdecades,thesociologyofhigh-altitudemountaineering,particularlyonMountEverest,hasundergoneadramaticandcontroversialshift.Themountainhasbecomeapotentsymbolofanew,commercializederaofadventure,raisingurgentquestionsaboutrisk,responsibility,andtheverysoulofexploration.Theadventofcommercialguidingservicesinthe1990sfundamentallydemocratizedaccesstothesummit–forthosewhocanaffordthesubstantialfee,oftenexceeding$50,000.Theseexpeditionsprovidea"full-service"experience:expertguides,pre-establishedrouteswithfixedropes,high-altitudeSherpasupportcarryinggearandoxygen,andlogisticslikepre-positionedcamps.Thismodelhasenabledhundredsofclimberswithvaryinglevelsofexperiencetoattemptthesummit.Theconsequencesofthiscommercializationarestarklyvisible,especiallyduringtheshortweatherwindowsfavorableforasummitpush.Iconicimagesnowshowlonglinesofclimbersqueuedontheknife-edgeridgesandsteepslopesnearthesummit,aphenomenonknownas"trafficjams"at8,000meters.Thiscongestionisnotmerelyinconvenient;itisdeadly.Thedelaysprolongexposuretothe"deathzone"(above8,000m,wherethebodydeterioratesrapidlyduetolackofoxygen),exponentiallyincreasingtherisksoffrostbite,exhaustion,cerebraledema,anddeath.Climbersareforcedtomakeagonizingdecisionsbetweenwaitinginlineandturningbackafterinvestingimmensetime,money,andeffort.Thisenvironmentteststhelimitsofethicsandpreparedness.Thepresenceofcommercialguidescancreateafalsesenseofsecurityforless-experiencedclients,whomayoverestimatetheirowncapabilitiesandunderestimatetheobjectivedangers.Thepressuretosucceed–fortheclienttosummitandfortheguidingcompanytodeliver–cancloudjudgment.Storiescirculateofclimbersindistressbeingpassedbyothersfocusedsolelyontheirpersonalsummitgoal,astarkdeparturefromthetraditionalmountaineeringethicofmutualaid.TheburdenofriskfallsdisproportionatelyontheSherpacommunity.Thesehighlyskilledclimbersundertakethemostdangerouswork:fixingropes,carryingheavyloads,andescortingclients.Theirfatalityrateissignificantlyhigherthanthatofforeignclimbers.WhiletheindustryprovidescrucialincomefortheNepaleseeconomyandindividualSherpas,italsoperpetuatesaformofhigh-stakeslaborinequality.ThefutureofEverestclimbingstandsatacrossroads.Therearecallsforstricterregulation:raisingthebarforclimbingexperiencerequiredforapermit,limitingthenumberofpermitsissued,orimposingmorestringentenvironmentalandwaste-removalrules.Ultimately,thechallengeistobalanceaccessibilitywithsafety,a