2020-2024年五年高考真題分類匯編PAGEPAGE1【好題匯編】五年（2020-2024）高考英語(yǔ)真題分類匯編（北京專用）原卷版專題11閱讀理解說(shuō)明文和議論文年份體裁詞數(shù)話題考點(diǎn)分布細(xì)節(jié)理解推理判斷主旨大意詞義猜測(cè)2024議論文408人與社會(huì)：討論科學(xué)問(wèn)題：宇宙是否是由計(jì)算機(jī)模擬生成的0301說(shuō)明文384人與社會(huì)：人類道德準(zhǔn)則的形成過(guò)程及人類建立道德準(zhǔn)則的標(biāo)準(zhǔn)11102023說(shuō)明文366人與社會(huì)：人類社會(huì)發(fā)展中人們的短視現(xiàn)象0300說(shuō)明文429人與社會(huì)：AI對(duì)現(xiàn)代生活的影響02112022說(shuō)明文415人與社會(huì)：解決全球挑戰(zhàn)的重要方法——系統(tǒng)思維1200議論文400人與社會(huì)：量子計(jì)算真的會(huì)像它的宣傳那樣成功嗎？11112021說(shuō)明文354人與社會(huì)：全球崩塌（globalcollapse）的概念0201議論文480人與社會(huì)/自然：文章通過(guò)討論時(shí)間的定義，講述了人們應(yīng)該和大自然和諧相處，保護(hù)環(huán)境。12102020說(shuō)明文360人與自然：omHunt設(shè)計(jì)的安裝在狗狗項(xiàng)圈上的監(jiān)測(cè)器1300議論文433人與社會(huì)：通用人工智能技術(shù)1201【2024北京卷】Thenotionthatweliveinsomeoneelse’svideogameisirresistibletomany.Searchingtheterm“simulationhypothesis”(模擬假說(shuō))returnsnumerousresultsthatdebatewhethertheuniverseisacomputersimulation——aconceptthatsomescientistsactuallytakeseriously.Unfortunately,thisisnotascientificquestion.Wewillprobablyneverknowwhetherit’strue.Wecan,instead,usethisideatoadvancescientificknowledge.The18th-centuryphilosopherKantarguedthattheuniverseultimatelyconsistsofthings-in-themselvesthatareunknowable.Whileheheldthenotionthatobjectiverealityexists,hesaidourmindplaysanecessaryroleinstructuringandshapingourperceptions.Modernscienceshaverevealedthatourperceptualexperienceoftheworldistheresultofmanystagesofprocessingbysensorysystemsandcognitive(認(rèn)知的)functionsinthebrain.Nooneknowsexactlywhathappenswithinthisblackbox.Ifempirical(實(shí)證的)experiencefailstorevealreality,reasoningwon’trevealrealityeithersinceitreliesonconceptsandwordsthatarecontingentonoursocial,culturalandpsychologicalhistories.Again,ablackbox.So,ifweacceptthattheuniverseisunknowable,wealsoacceptwewillneverknowifweliveinacomputersimulation.Andthen,wecanshiftourinquiryfrom“Istheuniverseacomputersimulation?”to“Canwemodeltheuniverseasacomputersimulation?”Modellingrealityiswhatwedo.Tofacilitateourcomprehensionoftheworld,webuildmodelsbasedonconceptualmetaphors(隱喻)thatarefamiliartous.InNewton’sera,weimaginedtheuniverseasaclock.InEinstein’s,weuncoveredthestandardmodelofparticle(粒子)physics.Nowthatweareintheinformationage,wehavenewconceptssuchasthecomputer,informationprocessing,virtualreality,andsimulation.Unsurprisingly,thesenewconceptsinspireustobuildnewmodelsoftheuniverse.Modelsarenotthereality,however.Thereisnopointinarguingiftheuniverseisaclock,asetofparticlesoranoutputofcomputation.Allthesemodelsaretoolstodealwiththeunknownandtomakediscoveries.Andthemoretoolswehave,themoreeffectiveandinsightfulwecanbecome.Itcanbeimaginedthatcomparabletotheprocessofbuildingpreviousscientificmodels,developingthe“computersimulation”metaphor-basedmodelwillalsobeahugelyrewardingexercise.28.Whatdoestheauthorintendtodobychallengingahypothesis?A.Makeanassumption. B.Illustrateanargument.C.Giveasuggestion. D.Justifyacomparison.29.Whatdoesthephrase“contingenton”underlinedinParagraph2probablymean?A.Acceptedby. B.Determinedby. C.Awakenedby. D.Discoveredby.30.AsforKant’sargument,theauthoris_________.A.appreciative B.doubtful C.unconcerned D.disapproving31.Itisimpliedinthispassagethatweshould_________.A.comparethecurrentmodelswiththepreviousonesB.continueexploringtheclassicalmodelsinhistoryC.stoparguingwhethertheuniverseisasimulationD.turnsimulationsoftheuniverseintorealitiesup.【2024北京卷】FranzBoas’sdescriptionofInuit(因紐特人)lifeinthe19thcenturyillustratestheprobablemoralcodeofearlyhumans.Here,norms(規(guī)范)wereunwrittenandrarelyexpressedclearly,butwerewellunderstoodandtakentoheart.Dishonestandviolentbehavioursweredisapprovedof;leadership,marriageandinteractionswithothergroupswerelooselygovernedbytraditions.Conflictwasoftenresolvedinmusicalbattles.Becausearguingangrilyleadstochaos,itwasstronglydiscouraged.WithlifeintheunforgivingNorthernCanadabeingsodemanding,theInuit’spracticalapproachtomoralitymadegoodsense.Thesimilarityofmoralvirtuesacrossculturesisstriking,eventhoughtherelativerankingofthevirtuesmayvarywithasocialgroup’shistoryandenvironment.Typically,crueltyandcheatingarediscouraged,whilecooperation,humblenessandcouragearepraised.Theseuniversalnormsfarpre-datetheconceptofanymoralisingreligionorwrittenlaw.Instead,theyarerootedinthesimilarityofbasichumanneedsandoursharedmechanismsforlearningandproblemsolving.Oursocialinstincts(本能)includetheintensedesiretobelong.Theapprovalofothersisrewarding,whiletheirdisapprovalisstronglydisliked.Thesesocialemotionsprepareourbrainstoshapeourbehaviouraccordingtothenormsandvaluesofourfamilyandourcommunity.Moregenerally,socialinstinctsmotivateustolearnhowtobehaveinasociallycomplexworld.Themechanisminvolvesarepurposedrewardsystemoriginallyusedtodevelophabitsimportantforself-care.Ourbrainsusethesystemtoacquirebehaviouralpatternsregardingsaferouteshome,efficientfoodgatheringanddangerstoavoid.Goodhabitssavetime,energyandsometimesyourlife.Goodsocialhabitsdosomethingsimilarinasocialcontext.Welearntotellthetruth,evenwhenlyingisself-serving;wehelpagrandparentevenwhenitisinconvenient.Weacquirewhatwecallasenseofrightandwrong.Socialbenefitsareaccompaniedbysocialdemands:wemustgetalong,butnotputupwithtoomuch.Henceself-disciplineisadvantageous.Inhumans,agreatlyenlargedbrainboostsself-control,justasitboostsproblem-solvingskillsinthesocialaswellasthephysicalworld.Theseabilitiesarestrengthenedbyourcapacityforlanguage,whichallowssocialpracticestodevelopinextremelyunobviousways.32.WhatcanbeinferredabouttheformingoftheInuit’smoralcode?A.Livingconditionswerethedrive. B.Unwrittenruleswerethetarget.C.Socialtraditionwasthebasis. D.Honestywasthekey.33.Whatcanwelearnfromthispassage?A.Inconveniencesarethecauseoftellinglies. B.Basichumanneedsleadtouniversalnorms.C.Languagecapacityislimitedbyself-control. D.Writtenlawshavegreatinfluenceonvirtues.34.Whichwouldbethebesttitleforthispassage?A.Virtues:BridgesAcrossCultures B.TheValuesofSelf-disciplineC.Brains:WallsAgainstChaos D.TheRootsofMorality【2023北京卷】Inrecentyears,researchersfromdiversefieldshaveagreedthatshort-termismisnowasignificantprobleminindustrialisedsocieties.Theinabilitytoengagewithlonger-termcausesandconsequencesleadstosomeoftheworld’smostseriousproblems:climatechange,biodiversitycollapse,andmore.ThehistorianFrancisColearguesthattheWesthasenteredaperiodwhere“onlythepresentexists,apresentcharacterisedatoncebythecrueltyoftheinstantandbytheboredomofanunendingnow”.Ithasbeenprovedthatpeoplehaveabias(偏向)towardsthepresent,focusingonloudattractionsinthemomentattheexpenseofthehealth,well-beingandfinancialstabilityoftheirfutureselvesorcommunity.Inbusiness,thisbiassurfacesasshort-sighteddecisions.Andonslow-burningproblemslikeclimatechange,ittranslatesintotheunwillingnesstomakesmallsacrifices(犧牲)todaythatcouldmakeamajordifferencetomorrow.Instead,allthatmattersisnextquarter’sprofit,orsatisfyingsomeothernear-termdesires.Thesebiasedperspectivescannotbeblamedononesinglecause.Itisfairtosay,though,thatourpsychologicalbiasesplayamajorrole.People’shesitancytodelaysatisfactionisthemostobviousexample,butthereareothers.Oneofthemisabouthowthemostaccessibleinformationinthepresentaffectsdecisionsaboutthefuture.Forinstance,youmighthearsomeonesay:“It’scoldthiswinter,soIneedn’tworryaboutglobalwarming.”Anotheristhatloudandurgentmattersaregiventoomuchimportance,makingpeopleignorelonger-termtrendsthatarguablymattermore.Thisiswhenapopstardrawsfarmoreattentionthan,say,gradualbiodiversitydecline.Asapsychologistoncejoked,ifaliens(外星人)wantedtoweakenhumanity,theywouldn’tsendships;theywouldinventclimatechange.Indeed,whenitcomestoenvironmentaltransformations,wecandevelopaformofcollective“poormemory”,andeachnewgenerationcanbelievethestateofaffairstheyencounterisnothingoutoftheordinary.Olderpeopletoday,forexample,canrememberatimewithinsect-coveredcarwindscreensafterlongdrives.Children,ontheotherhand,havenoideathatinsectpopulationhasdroppeddramatically.28．TheauthorquotesFrancisColemainlyto________.A．drawacomparisonB．introduceatopicC．evaluateastatementD．highlightaproblem29．Whatcanbeinferredfromthelastparagraph?A．Climatechangehasbeenforgotten.B．Lessonsofhistoryarehighlyvalued.C．Thehumanmindisbadatnotingslowchange.D．Humansareunwillingtoadmittheirshortcomings.30．Whatdoestheauthorintendtotellus?A．Far-sightedthinkingmatterstohumans.B．Humanstendtomakelong-termsacrifices.C．Currentpoliciesfacilitatefuturedecision-making.D．Biastowardsthepresenthelpsreducenear-termdesires.【2023北京卷】Whatislife?Likemostgreatquestions,thisoneiseasytoaskbutdifficulttoanswer.Thereasonissimple:weknowofjustonetypeoflifeandit’schallengingtodosciencewithasamplesizeofone.Thefieldofartificiallife-calledALifeforshort—isthesystematicattempttospelloutlife’sfundamentalprinciples.Manyofthesepractitioners,so-calledALifers,thinkthatsomehowmakinglifeisthesurestwaytoreallyunderstandwhatlifeis.Sofarnoonehasconvincinglymadeartificiallife.ThistrackrecordmakesALifearipetargetforcriticism,suchasdeclarationsofthefield’sdoubtfulscientificvalue.AlanSmith,acomplexityscientist,istiredofsuchcomplaints.Askingabout“thepoint”ofALifemightbe,well,missingthepointentirely,hesays.“Theexistenceofalivingsystemisnotabouttheuseofanything.”Alansays.“Somepeopleaskme,‘Sowhat’stheworthofartificiallife?’Doyoueverthink,‘Whatistheworthofyourgrandmother?’”AsmuchasmanyALifershateemphasizingtheirresearch’sapplications,theattemptstocreateartificiallifecouldhavepracticalpayoffs.ArtificialintelligencemaybeconsideredALife’scousininthatresearchersinbothfieldsareenamoredbyaconceptcalledopen-endedevolution(演化).Thisisthecapacityforasystemtocreateessentiallyendlesscomplexity,tobeasortof“noveltygenerator”.TheonlysystemknowntoexhibitthisisEarth’sbiosphere.IfthefieldofALifemanagestoreproducelife’sendless“creativity”insomevirtualmodel,thosesameprinciplescouldgiverisetotrulyinventivemachines.ComparedwiththedevelopmentsofAl,advancesinALifearehardertorecognize.OnereasonisthatALifeisafieldinwhichthecentralconcept—lifeitself—isundefined.ThelackofagreementamongALifersdoesn’thelpeither.Theresultisadiverselineofprojectsthateachadvancealongtheiruniquepaths.Forbetterorworse,ALifemirrorstheverysubjectitstudies.Itsmuddled(混亂的)progressionisastrikingparallel(平行線)totheevolutionarystrugglesthathaveshapedEarthbiosphere.Undefinedanduncontrolled,ALifedrivesitsfollowerstorepurposeoldideasandgeneratednovelty.Itmaybe,ofcourse,thatthesecharacteristicsaren’tinanywaysurprisingorsingular.Theymayapplyuniversallytoallactsofevolution.UltimatelyALifemaybenothingspecial.Buteventhisdismissalsuggestssomething：perhaps,justlikelifeitselfthroughouttheuniverse,theriseofALifewillproveunavoidable.31．RegardingAlanSmith’sdefenceofALife,theauthoris.A．supportive B．puzzled C．unconcerned D．doubtful32．Whatdoestheword“enamored”underlinedinParagraph3mostprobablymean?A．Shocked. B．Protected. C．Attracted. D．Challenged.33．Whatcanwelearnfromthispassage?A．ALifeholdsthekeytohumanfuture. B．ALifeandAIshareacommonfeature.C．AImirrorsthedevelopmentsofALife. D．AIspeedsuptheprocessofhumanevolution.34．Whichwouldbethebesttitleforthepassage?A．LifeIsUndefined.CanAIBeaWayOut?B．LifeEvolves.CanAIHelpALifeEvolve,Too?C．LifeIsUndefined.CanALifeBeDefinedOneDay?D．LifeEvolves.CanAttemptstoCreateALifeEvolve,Too?【2022年北京卷】“Whatwouldtheworldbeiftherewerenohunger?”It’saquestionthatProfessorCrystalwouldaskherstudents.Theyfoundithardtoanswer,shewrotelater,becauseimaginingsomethingthatisn’tpartofreallife—andlearninghowtomakeitreal—isarareskill.Itistaughttoartistsandengineers,butmuchlessoftentoscientists.Crystalsetouttochangethat,andhelpedtocreateaglobalmovement.Theresult—anapproachknownassystemsthinking—isnowseenasessentialinmeetingglobalchallenges.Systemsthinkingiscrucialtoachievingtargetssuchaszerohungerandbetternutritionbecauseitrequiresconsideringthewayinwhichfoodisproduced,processed,deliveredandconsumed,andlookingathowthosethingsintersect(交叉)withhumanhealth,theenvironment,economicsandsociety.Accordingtosystemsthinking,changingthefoodsystem—oranyothernetwork—requiresthreethingstohappen.First,researchersneedtoidentifyalltheplayersinthatsystem;second,theymustworkouthowtheyrelatetoeachother;andthird,theyneedtounderstandandquantifytheimpactofthoserelationshipsoneachotherandonthoseoutsidethesystem.Takenutrition.InthelatestUNreportonglobalfoodsecurity,thenumberofundernourished(營(yíng)養(yǎng)不良)peopleintheworldhasbeenrising,despitegreatadvancesinnutritionscience.Trackingof150biochemicalsinfoodhasbeenimportantinrevealingtherelationshipsbetweencalories,sugar,fatandtheoccurrenceofcommondiseases.Butusingmachinelearningandartificialintelligence,somescientistsproposethathumandietsconsistofatleast26,000biochemicals—andthatthevastmajorityarenotknown.Thisshowsthatwehavesomewaytotravelbeforeachievingthefirstobjectiveofsystemsthinking-which,inthisexample,istoidentifymoreconstituentpartsofthenutritionsystem.Asystemsapproachtocreatingchangeisalsobuiltontheassumptionthateveryoneinthesystemhasequalpower.Butassomeresearchersfind,thefoodsystemisnotanequalone.Agoodwaytoredress(修正)suchpowerimbalanceisformoreuniversitiestodowhatCrystaldidandteachstudentshowtothinkusingasystemsapproach.Moreresearchers,policymakersandrepresentativesfromthefoodindustrymustlearntolookbeyondtheirdirectlinesofresponsibilityandadoptasystemsapproach.Crystalknewthatvisionsalonedon’tproduceresults,butconcludedthat“we’llneverproduceresultsthatwecan’tenvision”.28.TheauthorusesthequestionunderlinedinParagraph1to________.A.illustrateanargument B.highlightanopinionC.introducethetopic D.predicttheending29.Whatcanbeinferredaboutthefieldofnutrition?A.Thefirstobjectiveofsystemsthinkinghasn’tbeenachieved.B.Therelationshipsamongplayershavebeenclarified.C.Machinelearningcansolvethenutritionproblem.D.Theimpactofnutritioncannotbequantified.30.Asforsystemsthinking,whichwouldtheauthoragreewith?A.Itmaybeusedtojustifypowerimbalance.B.Itcanbeappliedtotacklechallenges.C.Ithelpstoprovewhyhungerexists.D.Itgoesbeyondhumanimagination.【2022年北京卷】Quantum(量子)computershavebeenonmymindalotlately.Afriendhasbeensendingmearticlesonhowquantumcomputersmighthelpsolvesomeofthebiggestchallengeswefaceashumans.I’vealsohadexchangeswithtwoquantum-computingexperts.OneiscomputerscientistChrisJohnsonwhoIseeassomeonewhohelpskeepthefieldhonest.TheotherisphysicistPhilipTaylor.Fordecades,quantumcomputinghasbeenlittlemorethanalaboratorycuriosity.Now,bigtechcompanieshaveinvestedinquantumcomputing,ashavemanysmallerones.AccordingtoBusinessWeekly,quantummachinescouldhelpus“curecancer,andeventakestepstoturnclimatechangeintheoppositedirection.”Thisisthesortofhype(炒作)thatannoysJohnson.Heworriesthatresearchersaremakingpromisestheycan’tkeep.“What’snew,”Johnsonwrote,“isthatmillionsofdollarsarenowpotentiallyavailabletoquantumcomputingresearchers.”Asquantumcomputingattractsmoreattentionandfunding,researchersmaymisleadinvestors,journalists,thepublicand,worstofall,themselvesabouttheirwork’spotential.Ifresearcherscan’tkeeptheirpromises,excitementmightgivewaytodoubt,disappointmentandanger,Johnsonwarns.Lotsofothertechnologieshavegonethroughstagesofexcitement.Butsomethingaboutquantumcomputingmakesitespeciallypronetohype,Johnsonsuggests,perhapsbecause“‘quantum’standsforsomethingcoolyoushouldn’tbeabletounderstand.”AndthatbringsmebacktoTaylor,whosuggestedthatIreadhisbookQforQuantum.AfterIreadthebook,Taylorpatientlyansweredmyquestionsaboutit.HealsoansweredmyquestionsaboutPyQuantum,thefirmheco-foundedin2016.TaylorsharesJohnson’sconcernsabouthype,buthesaysthoseconcernsdonotapplytoPyQuantum.Thecompany,hesays,iscloserthananyotherfirm“byaverylargemargin(幅度)”tobuildinga“useful”quantumcomputer,onethat“solvesanimpactfulproblemthatwewouldnothavebeenabletosolveotherwise.”Headds,“Peoplewillnaturallydiscountmyopinions,butIhavespentalotoftimequantitativelycomparingwhatwearedoingwithothers.”CouldPyQuantumreallybeleadingallthecompetition“byawidemargin”,asTaylorclaims?Idon’tknow.I’mcertainlynotgoingtoadvisemyfriendoranyoneelsetoinvestinquantumcomputers.ButItrustTaylor,justasItrustJohnson.31.RegardingJohnson’sconcerns,theauthorfeels________.A.sympathetic B.unconcerned C.doubtful D.excited32.WhatleadstoTaylor’soptimismaboutquantumcomputing?A.Hisdominanceinphysics. B.Thecompetitioninthefield.C.HisconfidenceinPyQuantum. D.Theinvestmentoftechcompanies.33.Whatdoestheunderlinedword“prone”inParagraph3mostprobablymean?A.Open. B.Cool. C.Useful. D.Resistant.34.Whichwouldbethebesttitleforthepassage?A.IsJohnsonMoreCompetentThanTaylor?B.IsQuantumComputingRedefiningTechnology?C.WillQuantumComputersEverComeintoBeing?D.WillQuantumComputingEverLiveUptoItsHype?【2021北京卷】Hundredsofscientists,writersandacademicssoundedawarningtohumanityinanopenletterpublishedlastDecember:Policymakersandtherestofusmustengageopenlywiththeriskofglobalcollapse.Researchersinmanyareashaveprojectedthewidespreadcollapseas“acrediblescenario(情景)thiscentury”.Asurveyofscientistsfoundthatextremeweatherevents,foodinsecurity,andfreshwatershortagesmightcreateglobalcollapse.Ofcourse,ifyouareanon-humanspecies,collapseiswellunderway.Thecallforpublicengagementwiththeunthinkableisespeciallygermaneinthismomentofstill-uncontrolledpandemicandeconomiccrisesintheworld'smosttechnologicallyadvancednations.Notverylongago,itwasalsounthinkablethataviruswouldshutdownnationsandthatsafetynetswouldbeprovensodisastrouslylackinginflexibility.Theinternationalscholars’warningletterdoesn'tsayexactlywhatcollapsewilllooklikeorwhenitmighthappen.Collapseology,thestudyofcollapse,ismoreconcernedwithidentifyingtrendsandwiththemthedangersofeverydaycivilization.Amongthesignatories(簽署者)ofthewarningwasBobJohnson,theoriginatorofthe“ecologicalfootprint”concept,whichmeasuresthetotalamountofenvironmentalinputneededtomaintainagivenlifestyle.Withthecurrentfootprintofhumanity,“itseemsthatglobalcollapseiscertaintohappeninsomeform,possiblywithinadecade,certainlywithinthiscentury,”Johnsonsaidinanemail.“Onlyifwediscusstheconsequencesofourbiophysicallimits,”theDecemberwarninglettersays,“canwehavethehopetoreducetheirspeed,severityandharm”.Andyetmessengersofthecomingdisturbancearelikelytobeignored.Weallwanttohopethingswillturnoutfine.Asapoetwrote,Manisavictimofdope(麻醉品)Intheincurableformofhope.Thehundredsofscholarswhosignedtheletterareintent(執(zhí)著)onquietinghopethatignorespreparedness.“Let'slookdirectlyintotheissueofcollapse,”theysay,“anddealwiththeterriblepossibilitiesofwhatweseetheretomakethebestofatroublingfuture.”28.Whatdoestheunderlinedword“germane”inParagraph3probablymean?A.Scientific. B.Credible.C.Original. D.Relevant.29.Asforthepublicawarenessofglobalcollapse,theauthoris________.A.worried B.puzzledC.surprised D.scared30.Whatcanwelearnfromthispassage?A.Thesignatoriesmaychangethebiophysicallimits.B.Theauthoragreeswiththemessageofthepoem.C.Theissueofcollapseisbeingprioritized.D.Theglobalcollapseiswellunderway.【2021年北京卷】Earlyfifth-centuryphilosopherSt．Augustinefamouslywrotethatheknewwhattimewasunlesssomeoneaskedhim．AlbertEinsteinaddedanotherwrinklewhenhetheorizedthattimevariesdependingonwhereyoumeasureit．Today'sstate-of-the-artatomic（原子的）clockshaveprovenEinsteinright．Evenadvancedphysicscan'tdecisivelytelluswhattimeis,becausetheanswerdependsonthequestionyou'reasking．Forgetabouttimeasanabsolute．Whatif，insteadofconsideringtimeintermsofastronomy,werelatedtimetoecology？Whatifweallowedenvironmentalconditionstosetthetempo（節(jié)奏）ofhumanlife？We'reincreasinglyawareofthefactthatwecan'tcontrolEarthsystemswithengineeringalone，andrealizingthatweneedtomoderate（調(diào)節(jié)）ouractionsifwehopetoliveinbalance．Whatifourdefinitionoftimereflectedthat？Recently，Iconceptualizedanewapproachtotimekeepingthat'sconnectedtocircumstancesonourplanet，conditionsthatmightchangeasaresultofglobalwarming．We'renowbuildingaclockattheAnchorageMuseumthatreflectsthetotalflowofseveralmajorAlaskanrivers，whicharesensitivetolocalandglobalenvironmentalchanges．We'veprogrammedittomatchanatomicclockifthewaterwayscontinuetoflowattheirpresentrate．Iftheriversrunfasterinthefutureonaverage，theclockwillgetaheadofstandardtime．Iftheyrunslower，you'llseetheoppositeeffect．Theclockregistersbothshort-termirregularitiesandlong-termtrendsinriverdynamics．It'sasortofobservatorythatrevealshowtheriversarebehavingfromtheirowntemporalframe（時(shí)間框架），andallowsustowitnessthosechangesonoursmartwatchesorphones．AnyonewhooptstogoonAlaskaMeanRiverTimewillliveinharmonywiththeplanet．Anyonewhoconsidersrivertimeinrelationtoatomictimewillencounteramajorimbalanceandmaybemotivatedtocounteractitbyconsuminglessfuelorsupportinggreenerpolicies．Evenifthismethodoftimekeepingisnovelinitsparticulars，earlyagriculturalsocietiesalsoconnectedtimetonaturalphenomena．Inpre-ClassicalGreece，forinstance，people“corrected”officialcalendarsbyshiftingdatesforwardorbackwardtoreflectthechangeofseason．Temporalconnectiontotheenvironmentwasvitaltotheirsurvival．Likewise，rivertimeandothertimekeepingsystemswe'redevelopingmayencourageenvironmentalawareness．WhenSt．Augustineadmittedhisinabilitytodefinetime，hehighlightedoneoftime'smostnoticeablequalities：Timebecomesmeaningfulonlyinadefinedcontext．Anytimekeepingsystemisvalid，andeachisaspraiseworthyasitspurpose．31WhatisthemainideaofParagraph1？A.Timekeepingisincreasinglyrelatedtonature．B.Everyonecandefinetimeontheirownterms．C.Thequalitiesoftimevarywithhowyoumeasureit．D.Timeisamajorconcernofphilosophersandscientists．32.TheauthorraisesthreequestionsinParagraph2mainlyto________．A.presentanassumption B.evaluateanargumentC.highlightanexperiment D.introduceanapproach33.Whatcanwelearnfromthispassage？A.Thosewhodonotgoonrivertimewillliveanimbalancedlife．B.NewwaysofmeasuringtimecanhelptocontrolEarthsystems．C.Atomictimewillgetaheadofrivertimeiftheriversrunslower．D.Moderntechnologymayhelptoshapetherivers’temporalframe．34.Whatcanweinferfromthispassage？A.Itiscrucialtoimprovethedefinitionoftime．B.Afixedframewillmaketimemeaningless．C.Weshouldliveinharmonywithnature．D.Historyisamirrorreflectingreality．【2020北京卷】BaggyhasbecomethefirstdogintheUK—andpotentiallytheworld—tojointhefightagainstairpollutionbyrecordingpollutantlevelsneartheground.Baggywearsapollutionmonitoronhercollarsoshecantakedatameasurementsclosetotheground.Hermonitorhasshownthatairpollutionlevelsarehigherclosertogroundlevel,whichhashelpedhighlightconcernsthatbabiesandyoungkidsmaybeathigherriskofdevelopinglungproblems.Conventionalairpollutionmonitorsarenormallyfixedonlamppostsataboutninefeetintheair.However,sinceBaggystandsataboutthesameheightasachildinapushchair（嬰兒車）,shefrequentlyrecordspollutionlevelswhicharemuchhigherthanthedatagatheredbytheEnvironmentAgency.ThedoggydataresearchwastheideaofBaggy's13-year-oldownerTomHuntandhisdadMatt.TheEnglishyoungsternoticedthatpollutionlevelsarearoundtwo-thirdshigherclosetothegroundthantheyareintheairattheheightwheretheyarerecordedbytheagency.Tomhassincereportedtheshockingfindingstothegovernmentinanattempttoemphasisethatbabiesareathigherriskofdevelopingasthma（哮喘）.MattHuntsaidhewas"veryproud"ofhissonbecause“whentheboygetsanidea,hekeepshisheaddownandgetsonwithit,andhereallydoeswanttodosomegoodandstopyoungkidsfromgettingasthma."“Tombuiltupapassionforenvironmentalprotectionataveryearlyage,"Mattadded.“Hebecameveryinterestedingadgets（小裝置）.Aboutoneyearago,hegotthisnewpieceoftechwhichislikeatesttube.OneSundayafternoon,wewentouttodosomemonitoring,andhesaid,whydon'tweputitonBaggy'scollarandlethermonitorthepollution？'Sowedidit."Tomsaid,"Mostofthetime,Baggyisjustlikeanyotherdog.Butfortherestofthetimesheisa