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2024年高考英语(阅读理解之说明文)模拟真题(新高考专用)(2024·山西晋中·模拟预测)Didyouknowmanyadultssitdownformorethanninehoursaday?Maybeyou’reoneofthem!Whetherit’sworkingatadesk,sittingmotionlessinacar,busortrainorloungingonthesofawatchingTV,wehaveamuchmoresedentarylifestylethanourparentsandgrandparentsdid.Thequestionthatthisraisesisjustwhatitisdoingtoourbodies.Thenewsisn’tgood.Astudycarriedoutinthe1950scomparedbusdriverswiththeconductors,whowalkedaroundthebussellingtickets.Itshowedthatdrivers,whospentmanyhourssittingatthewheel,weretwiceaslikelytohaveheartattacksthanthemoreactiveconductors.Infact,prolongedsittinghasbeenassociatedwithanumberofdifferentconditions,eveninpeoplewhootherwisetakeregularexercise.Ifyousitdownallday,youburnfarfewercaloriesthansomeonewithamoreactivejob.Therearesuggestionsthatitslowsyourmetabolism(新陈代谢)andmakesitharderforyourbodytoregulatebloodsugarlevelsincreasingtheriskofdiabetes.Onepossibleanswertothissproblemisfordeskworkerstousestandingdesks,tospendatleastpartoftheirdayontheirfeet.Onesmallstudyshowedthatofficeworkerswhostoodforthreehoursafterlunchhadamuchsmallerincreaseinbloodsugarlevels,whileanothersuggestedthatbystandingforthreeorfourhoursadayovertheperiodofayear,peoplewouldburnasmanycaloriesasiftheyhadruntenmarathons.Otherexpertsquestionthisfigureandpointoutthatstandingalldaycanalsohavenegativeimpacts,suchaslegorbackpain,recommendingthatifpeopledowanttousestandingdesks,theyshouldgraduallyincreasetheamountoftimethattheyspendontheirfeet.Crucially,theyalsopointoutthattherearemanyalternativestositting,andthattheirimpactisunlikelytobethesame;walking,forexample,burnsfarmorecaloriesthanstanding.1.Whatisthetextmainlytalkabout?A.Thedangersoflongsitting. B.Measurestoburnmorecalories.C.Disadvantagesofstandingatwork. D.Suggestionsfromtheexpertsonhealth.2.Whichisnottrueaccordingtothetext?A.Walkingburnsfarmorecaloriesthanstanding.B.Wearemoreactivethanourpreviousgenerations.C.Legorbackpaincouldbeanegativeeffectofstandingallday.D.Notbeingabletoregulatebloodsugarlevelscanleadtodiabetes.3.Whomayburntheleastcalories?A.Abusconductor. B.Amarathonrunner.C.Asittingdeskworker. D.Astandingofficeworker.4.Whatisotherexperts’attitudetowardsthefigurefromthelaststudy?A.Ambiguous B.Approving. C.Skeptical. D.Dismissive.(2024·黑龙江齐齐哈尔·二模)TheMonaLisaisthefamousLeonardodaVincipaintingofawomanwithamysterioussmile.Thisweek,thepaintinggaveupasecret.ScientistsusedX-raystoexaminethechemicalorganizationofanextremelysmallpartofthemorethan500-year-oldpainting.TheresearchersdiscoveredatechniqueLeonardousedinthework.AteaminFranceandBritaindiscoveredanoilpaintusedfortheMonaLisawasaspecial,newchemicalmixture.ItsuggeststhattheItalianartistmayhavebeeninanexperimentalmoodwhenhesettoworkonthepaintingearlyinthe16thcentury.“Hewassomeonewholovedtoexperiment,andeachofhispaintingsiscompletelydifferenttechnically,”saidVictorGonzalez.Heisthestudy’sleadwriter.“Inthiscase,it’sinterestingtoseethatindeedthereisaspecifictechniqueforthegroundlayeroftheMonaLisa,”hesaidinaninterviewwithTheAssociatedPress.Specifically,theresearchersfoundararecompound,plumbonacrite(水蛭石),inLeonardo’sfirstlayerofpaint.Thediscovery,Gonzalezsaid,provedthatdaVincimostlikelyusedleadoxidetothickenandhelpdryhispaint.ThescientistslookedintoitsatomicstructureusingX-raysinasynchrotron(同步加速器).Themachinemovesparticlesatclosetothespeedoflight,permittingresearcherstolookdeeperintothepaintstructure.“Plumbonacriteisreallyafingerprintofhisrecipe,”Gonzalezsaid.“It’sthefirsttimewecanactuallychemicallyproveit.”DutchartistRembrandtmayhaveusedasimilarmixturewhenhewaspaintinginthe17thcentury.Gonzalezandotherresearchershavefoundplumbonacriteinhiswork,too.“Italsotellsusthatthoserecipeswerepassedonforcenturies,”Gonzalezsaid.“Itwasaverygoodrecipe.”ButtheMonaLisaandadditionalworksbyLeonardostillhaveothersecretstotell.“Thereareplenty,plentymorethingstodiscover,”Gonzalezsaid.“Whatwearesayingisjustalittlebrickmoreintheknowledge.”5.WhatisthesecretofthepaintingoftheMonaLisa?A.Theuseofplumbonacrite. B.Leonardo’sloveforexperiment.C.Thewaytodrythepainting. D.Theoilinthefirstlayer.6.WhatisGonzalez’sattitudetothepainting’ssecret?A.Unclear. B.Positive. C.Doubtful. D.Disappointed.7.Howdoestheauthorsupportthetopicofthetext?A.Bymakingcomparisons. B.Bylistingrelatedexamples.C.Bydescribingthestudyprocess. D.Byquotingexperts’opinions.8.Whatisthebesttitleforthetext?A.ACreativePainter B.ASmilingMonaLisaC.ANewDiscoveryintheMonaLisa D.APioneeringPainting(2024·内蒙古包头·二模)Waterwaysareimportantforeverycountryaroundtheworld.Theyprovidenotonlywaterforeverydayusebutalsoroutesfortransport.However,duetoindustrialactivity,manyofthemarenowpolluted.DakotaPerryfromtheUShasexperiencedwaterpollutionfirst-hand.The15-year-oldhighschoolgirltoldAlabamaLocalNewsthatshespendsalotoftimegoingonboatrideswithherdadontheriverbehindtheirhouse.However,theriverhasbecomelitteredwithplasticbags,bottlesandcups.Perrywantedtocleanupthewatersoshecouldcontinuetoenjoytheriver.So,withthehelpofherfather,shedesignedasystemtocollectandremoverubbishinwaterways.InMay,PerryputforwardhersolutionattheRegeneronInternationalScienceandEngineeringFairheldinGeorgia,US,andreceivedaJudge’sAwardfromtheNationalOceanicandAtmosphericAdministrationforherproject.AccordingtotheScienceNewsforStudentswebsite,hersystemwasinspiredbytheDutchGreatBubble(气泡)BarrierinAmsterdam,whichcreatesaflowofbubblesthattrapwasteanddirectsittoacatchmentsystem.ButPerrytriedtochallengeherselfandmakehersystemmoreenvironment-friendly.Sheplannedtocreateacurtainofbubblesthatstretchedtheriverdiagonally(对角地).Thecurtainwouldstopthefloatingrubbishandthenpushittowardtheshore.Oncethere,aconveyorrunbyasolar-poweredbatterywouldcarrythewastetoadustbin.Inherbackyardpool,Perryusedanaircompressor(压缩机)tosendairthroughapipefullofholestocreateastreamofbubbles.Sheexperimentedwithdifferentamountsofpressuretomakesuretherewouldbeenoughbubblestoformafullcurtain.“Forthebubblesystemtoactuallyworkandcollectrubbish,”sheexplainedtoScienceNewsforStudents,“Ihavetoknowhowmuchpressuretheaircompressorissupposedtopushout.”Aftershetestedhersystemforcollectingrubbish,Perryfoundthatitworkedbetterthanexpected.Next,sheplanstoworkouthowtousethepoweroftherivertoruntheaircompressor.9.WhatmotivatedPerrytodesignarubbish-collectingsystem?A.Herfather’sencouragement.B.Herdesiretoprotectanearbyriver.C.Avisittoascienceandengineeringfair.D.AninventionofaDutchhighschoolstudent.10.Whatcanweknowabouttherubbish-collectingsystem?A.ItwasdesignedbyPerryalone.B.Itmakespowertoruntheaircompressor.C.Itcollectssolarenergytoremoverubbish.D.Itcreatesabubblecurtaintoblockrubbish.11.Whatisthe5thparagraphmainlyabout?A.Advantagesofthesystem. B.Thewayoftestingthesystem.C.Theimprovementonthesystem. D.Challengesinthedesignprocess.12.WhatkindofpersonisPerry?A.Efficientandambitious. B.Helpfulandhardworking.C.Responsibleandcreative. D.Professionalandadventurous.(2024·江西九江·二模)Whenfacinganextremelyannoyingproblem,weoftengatheragrouptobrainstorm,aimingtogetthebestideasquickly.Iloveseeingithappen—exceptforonetinywrinkle.Groupbrainstormingusuallybackfires.Inbrainstormingmeetings,manygoodideasarelost—andfewaregained.Extensiveevidenceshowsthatwhengeneratingideastogether,wefailtomaximizecollectiveintelligence.Surprisinglyenough,individualsworkingalonetendtoproducemoreandbetterideascomparedtobrainstormingingroups.Tounearththehiddenpotentialinteams,insteadofbrainstorming,ashifttoaprocesscalled“brainwriting”ismoreeffective.Initially,youaskeveryonetogenerateideasindependently.Next,youpoolthemandsharethemanonymously(匿名地)amongthegroup.Topreserveindependentjudgment,eachmemberevaluatesthemontheirown.Onlythendoestheteamcometogethertoselectandrefinethemostpromisingoptions.Bydevelopingandassessingideasindividuallybeforechoosinganddetailingthem,teamscansurfaceandadvancepossibilitiesthatmightnotgetattentionotherwise.Forinstance,duringthe2010Chileanminerescue,timepressing,therescueteamestablishedaglobalbrainwritingsystemtocrowdsourceindependentideas,avoidingtime-consumingbrainstorming.Anentrepreneurofferedatinyplastictelephonethatbecamethesolemeansofcommunicatingwiththeminerswhilea24-year-oldengineer’ssuggestionresultedinthecreationofaspecializeddrillthatultimatelysavedtheminers.ResearchbyorganizationalbehaviorscholarAnitaWoolleyandhercolleagueshelpstoexplainwhythismethodworks.Theyfindthatakeytocollectiveintelligenceisbalancedparticipation.Inbrainstormingmeetings,participationcaneasilybecomedominatedbythemostinfluentialpeople.Thebrainwritingprocessensuresthatallideasarebroughttothetableandallvoicesarebroughtintotheconversation.Thegoalisn’ttobethesmartestpersonintheroom—it’stomaketheroomsmarter.Collectiveintelligencebeginswithindividualcreativity,butitdoesn’tendthere.Individualsworkingaloneproducegreatervarietiesofnovelideas,bothbrilliantandterrible,thangroups.Ittakescollectivejudgmenttolocatethesignalwithinthenoiseandextractthebestideas.13.Whichofthefollowingbestdescribes“groupbrainstorming”accordingtothispassage?A.Creative. B.Productive.C.Inefficient. D.Fundamental.14.Whyisthe2010rescuementionedinparagraph4?A.Toillustratethesignificanceofspecificequipmentintherescue.B.Toshowtheimportanceofbrainstorminginemergencysituations.C.Tohighlighttheroleofinfluentialpeopleincollectiveintelligence.D.Todemonstratetheeffectivenessofbrainwritingingeneratingideas.15.Whatismainlydiscussedinparagraph5?A.Theimportanceofcollectiveintelligence.B.Thegoalofbecomingthesmartestperson.C.Thepowerofequalinvolvementinbrainwriting.D.Theinfluenceofpowerfulindividualsindecision-making.16.Whatisthefunctionofcollectivejudgmentincollectiveintelligence?A.Identifyingthetopideas. B.Findingmoregoodsolutions.C.Replacingindividualcreativity. D.Encouraginggroupbrainstorming.(2024·新疆喀什·二模)Overthedecades,computershaveaffectedourlivestoanastonishingdegree.Whenthefirstmoderncomputerwasconceptualizedandbuiltinthe20thcentury,itwassolargethatittookupawholeroom.Overtime,thetechnologyshrank.First,computersbecamesmallenoughtositonadeskandbebroughtintothehome.Then,theyweremadelightweightandportable,givingusthelaptop.Today,mostpeoplehavesomethingevensmaller:asmartphonethatcanfitintoapocket.Thoughthat'sascompactasmostpeopleareusedto,computersandtechnologyaregettingeventinier!Oneofthetiniestformsoftechnologyavailabletodayisthemicrobot.Amicrobotisaverytinyrobot-amachineprogrammablebyacomputer—thatisbuilttoperformspecifictasks.Youmighttendtorefertothisasjustasmallrobot,butthesizeanddimensionsofmicrobotsareactuallyquiteprecise.Amicrobotislessthanonemillimeterinwidth,approximatelythesizeofthetipofapencil.Incomparison,asmallrobot,whichcanbeupto100centimetersinwidth,wouldbeabsolutelylarge.Ifyouthinkthatmicrobotsareassmallasyoucanget,thinkagain.Nanobotssmallerthanonemicrometerexist,butthesearesosmallthattheyaren'tvisibletothenakedeye(肉眼).Sincemicrobotsaresosmall,theyarepotentiallyverycheap.Scientistsandengineersworkingtodevelopthesemicrobotsbelievethattheycouldbeusedtoexploreenvironmentsorareasthataretoosmallordangerousforpeople.Becausethecomputingpowerofonesinglemicrobotisn'tthatlarge,microbotscouldbemovedandusedinlargegroups.Atthemoment,thebiggestbarriertothedevelopmentofthesetinymachinesisfiguringouthowtopowerarobotthatcanonlycontainanextremelysmallbattery.17.Whatdoestheunderlinedword“shrank”inParagraphIprobablymean?A.gotmoreAutomatic. B.becamesmaller.C.gotwiser. D.becamelarger.18.Whatcanweknowaboutmicrobots?A.Theycanbeusedtodoriskytasks. B.Theyarerelativelyexpensive.C.Theycan'tbeseenbythehumaneyes. D.Theyaren'taspreciseasexpected.19.Whatisthekeytothefuturedevelopmentofthetinyrobots?A.Itsfunction. B.Itsmaterial.C.Itsbatterypower. D.Itsmaintenancecost.20.Whichisthemostsuitabletitleforthetext?A.HowSmalltheTechnologyCanGet B.HowRobotsChangeOurFutureLivesC.WhyHumanBeingsPreferTinyTechnology D.WhyMicrobotsAreWidelyUsedWorldwide(2024·浙江绍兴·二模)ArecentsurveyintheUSfoundthatGenZ-ersandMillennials(千禧一代)visitlibrariesmoreoftenthantheirparentsorgrandparents.Theyounglovelibrariesbecausetheyaresecure,comfortable,freeand—asmy11-year-oldwouldsay—“aesthetic”.ThismeanstheylookgoodinthebackgroundofanInstagrampostorTikTokvideo.It’salsoagreatplacetomeetpeople.Ifyou’rebothyoungandinalibrary,chancesareyouhavesimilarinterests.Andthen,too,therearethebooks.GenZ-ersareturningouttobebigreaders,especiallyofpaperbooks.Eventhough,orperhapsbecause,theyhaveintheirpocketsthemostlimitlesslydistractingdeviceseverinvented,manyaredeliberatelychoosingtopickupapieceof15th-centurytechnologyinstead.Theylikethefactthatbooksareself-containedandrequireconcentration.Thereis,sometimes,asenseofnostalgic(怀旧的)cosplayinthewayyoungpeopleread.InNewYork,forexample,thelatestTikTok-fuelledcrazeisreadingwithstrangersinbars.Youhavetobuyaticketinadvance,andthenyouallgatherandsitinsilencefor30minutes,readingwhateverbookyou’vebroughtalong.Likeanexpensiveversionofgoingtothelibrary,exceptthatafterwardsyouallhaveadrinkandtalkaboutbooks.Theverythoughtofitmakesmesuffer,butthat’sbecauseI’machildofthe1970sand80s.Tome,readingisaprivatepleasure,whilescreens—TVorcinema—aresocial.Ididonce,inafitofambitiousparenting,introducea“familyreadinghour”,duringwhichmyhusbandandchildrenwerepressedtojoinmeatthefiresideforsomesilentreading.Itcouldnothavefeltmoreperformativeifwehaddressedupintophatsandcrinolines(旧时的衬裙).Butstill,Iapplaudtheseyoungreaders—forknowingwhatisgoodforthem,forseekingouthumanconnection,forfindingthebeautyandpleasureinoldinstitutions,andforbringingnewlifetothelibrary.21.Whichofthefollowingisareasonwhytheyounglovelibraries?A.Theyenjoythesenseofsafetyandfreedom.B.Theyarefreetousesocialmediainlibraries.C.Theyconsidere-readingawaytodiscoverbeauty.D.Theyexpecttomeetpeoplewithdifferentinterests.22.WhatdoweknowaboutthelatestTikTok-fuelledcrazeinNewYork?A.It’satrendofreadingwiththefamilyinbars.B.It’salearningapproachadvocatingsilentreading.C.It’sagatheringattendedbystrangersfreeofcharge.D.It’sareadingfashionintegratingtheoldandthenew.23.Whatcanbelearnedabouttheauthor’sunderstandingofreadingfromparagraph4?A.Itisadelightfulsocialexperience. B.Itisawayofpersonalenjoyment.C.Itisasignificantparentingpattern. D.Itisapainfulroutinepractice.24.Whichofthefollowingisthebesttitleforthetext?A.AGenZWaytoRefreshLibrariesB.ARealisticLookofLibraryReadingC.ABroadViewofLibrariesandSocialMediaD.ANewWaytoSeeHumanConnectionwithLibraries(2024·浙江绍兴·二模)Tobuildaprosperous(繁荣的)society,afundamentalunderstandingofthemoderneconomyasadrivingforceintoday’sworldisessential.Whatkindofprosperityhaveweachievedsofar?Thewidespreaddefinitionofprosperityfocusesoneconomicpowerandgrowthasmeasuresofsuccess.Let’stakealookathistory.TheSecondIndustrialRevolutionenabledmassproductionandcreatedasufficientsupplyofgoods.Thishasgreatlyincreasedtheimportanceofmoneyinitsroleas“astoreofvalue,”and“amediumofexchange.”Asaresult,wehavepursuedeconomicpowerastheonlyindicatorofprosperity,suchasGDP.Wavesofglobalizationandtechnologicalevolutionhavepromotedoveralleconomicgrowth,buthaveallowedthefewwhoarestrongtoachievegreaterpowerwhileexploitingthemanywhoareweak.Consequently,inequalityhasworsened,anddisunityhasintensified.Thepathtoatrulyprosperousworldrequiresashiftinfocustowardsthemostsuitablehappinessforall,inadditiontoeconomicpower.Defininghappiness,however,isacomplextask.Whatmakespeoplehappy?Thedegreetowhichthesamethingcreateshappinessdiffersfrompersontoperson.Happinessissubjectiveandcomplicated.Thisisaworldof“multiplevalues”whereeachofusdeterminesworthasopposedto“onefixedprice”basedmerelyonaneconomicperspective.Individualsshouldn’tbedefinedbyasingleidentityorrolebutbymultidimensionalnatureaswellasmultiplerolesmakingindependentchoicesandtakingactionsfortheirhappinessindifferentaspects.Businessesmustbepioneersinpursuingnotonlyeconomicgrowthbutalsothehappinessofallcitizensofsociety.Companiescancontributethroughthepursuitofsocialvalueaswellaseconomicprofit.Attheheartofthislies“purpose”.Acompany’spurposedefinesthevalueitbringstosociety.Thetrueworthofacompanyshouldbedeterminednotjustbythereturnsitcreatesforshareholdersbutbythevalueitcreatesforsocietyasawhole.25.Whatistheauthor’sattitudetothewidelyacceptedstandardofprosperity?A.Indifferent. B.Critical. C.Uncertain. D.Approving.26.Whatisthesideeffectoftechnologicalevolution?A.Theslowereconomicgrowthspeed.B.Thesharpreductionofjobopportunities.C.Theenlargedgapbetweentherichandthepoor.D.Theincreasingconflictbetweendifferentnations.27.Whichstatementwilltheauthoragreewithaccordingtothepassage?A.Happinessischangeableandbeyondcontrol.B.Happinesslargelydependsoneconomicpower.C.Thepursuitofprofitdeterminesacompany’strueworth.D.Aprosperousworldshouldbemeasuredbymultiplevalues.28.Whoarethemainintendedreadersofthetext?A.Socialpsychologists. B.Enterpriseadministrators.C.Schooleducators. D.Technologicalresearchers.(2024·湖南·一模)Alotofmanufacturedglasstodaymadefromsandandsodiumcarbonate(碳酸钠)canbereusedormelteddownandrecycledintonewitems,butitdoesn’tbreakdownintheenvironmentandwillsitinlandfillsforthousandsofyears.AteamofChinesescientistsaimedtodealwiththisenvironmentalconcernbydevelopinganeco-consciousalternative.InastudypublishedrecentlyinthejournalScienceAdvances,ateamattheChineseAcademyofSciences’InstituteofProcessEngineeringdescribehowtheyengineeredbiodegradableglassmadefromaminoacids(氨基酸).Thatglasswouldhaveasmallerimpactontheenvironmentandcanbreakdowninafewweeksorinseveralmonths.Inatest,glassbeads(珠)madeoutofaminoacidswereplacedundertheskinofmice,andthebreakdownofthebeadsandtheskinhealingprocesswereobservedfor30days.Adiagramfromthestudyshowshowthemice’sbodiesbrokedownthebeads.Inthatmonth,theglassimplantdegradedbeneaththeskin,thewoundsitehealed,andfurgrewback.“Throughouttheexperimentalperiod,nomiceexhibitedanypain-relatedbehaviorthatmayhavebeencausedbytheglassimplantation,andnoneofthemexperiencedobviousweightloss,”theresearcherswroteintheirpaper.Althoughaminoacidsdodegradeovertimeintheenvironment,thisbiodegradableglassisnotasdurableastraditionalglass,becauseaminoacidscanbreakdownquicklyinheat.Inordertoovercomethishurdle,theresearcherschemicallymodifiedtheaminoacidsusingtheheating-coolingprocedureappliedinglassmanufacturing.Thisiswhenmaterialsfortheglassareheatedtobecomesoftandthenrapidlycooledsoastomaketheglasstougher.“It’simportanttopointoutthatthisbiodegradableglassiscurrentlyinthelabstage,andfarfromlarge-scalecommercialization,”emphasizedYanXuehai,aprofessorinvolvedinthestudy,inapressrelease.29.Whatisanadvantageofthenewglass?A.Itcanberecycledatalowcost. B.Itisproducedwithoutpollution.C.Ittakeslesstimeto.breakdown. D.Ithasawiderangeofapplications.30.Whydidresearchersimplantglassbeadsinsidemice?A.Toassesswhethertheglassisbiologicallyharmless.B.Toinvestigatewhyaminoacidsaremedicallyuseful.C.Toexplorehowlongittakesfortheglasstodegrade.D.Toobserveiftheglasscanbemeltdowninmice’sstomach.31.Whatdoestheunderlinedword“hurdle”inparagraph4referto?A.Theinstabilityofaminoacids.B.Thedifficultyofselectingmaterialsfortheglass.C.Environmentalproblemscausedbytraditionalglass.D.Thechallengeofimprovingtheheating-coolingprocedure.32.WhatistheattitudeofYanXuehaitowardsthenewglass’slaunchonthemarket?A.Optimistic. B.Critical. C.Indifferent. D.Uncertain.(2024·广东湛江·二模)Arecentstudyrevealsthatflat-faceddogs,suchasFrenchbulldogs,havedifficultysleepingbecauseofanunusualfeature:theirheadshape.Frenchbulldogsspecificallysufferfromincreaseddaytimesleepiness,probablyduetonotgettingenoughnight-timesleep.Withtheirbigeyesstaringrightbackattheowner,andwrinklesrolledovertheirnoses,Frenchbulldogshaveshotupinpopularityinrecentyears.Buttheirdistinctfeaturesandsmallsizecomewithanumberofhealthissues.Theresearchersstudiedthesleeppatternsof92dogsaccompaniedbytheirowners.Theyfoundthatcomparedwithotherdogs,theflat-faceddogsexperiencealongerperiodofrapideyemovement(REM),regardedasthestageofsleepwithmostvividdreamswherethebrainisactivewhilethebodyremainsstill.Researcherssaidthiswassimilartothewaybabiessleep,suggestingthatdogs,likeFrenchbulldogs,keepupthesleeppatternsofpuppyhood.Theirnight-timesleepisshorterandflat-faceddogsarealsomorelikelytosnoring(打鼾).“Sleepdeprivationisincreasinglyrecognizedasamajorcauseofsufferingindogswithextremebrachycephaly(短头畸形),”saidDanO’Neill,anassociateprofessorfromtheUniversityofLondon.Theresearchersemployedanelectroencephalogram(脑电图)throughoutthedogs’sleep.Theylookedparticularlyatsleepspindles(睡眠纺锤波).Theyfoundthatdogswithbrachycephalyhadanincreaseinsleepspindles,whichindogshasbeenassociatedwithpoorerlearningwhenitcomestotraining.Aresearchersaid,“Weknowthatsomeofthesedogswillsleepwithaballintheirmouth,andpeoplethinkit’scute,butthey’reactuallydoingitinordertokeeptheirairwaysopen.”O’Neillagreed,“Manyownersfindthisphenomenonveryfunnyandpostvideosonlineshowinghowcomicaltheirdogsareastheysleepwithatoyintheirmouthorwiththeirneckextendedorrepeatedlywakinguptobreatheduringsleep.”33.Whatmaylendtoflat-faceddogsincreaseddaytimesleepiness?A.Theirtendencytosleepwithowners.B.Theirpreferencefordaytimenapping.C.Theirshorternight-timesleepduetotheheadshape.D.Theirhabitofsleepinginuncomfortablepositions.34.Whatdowesayaboutflat-laceddogsfromparagraph3?A.TheydifferfromhumanbeingsinREM.B.Theyrequirelesssleepthanotherspecies.C.They’relesslikelytosuffersleepdisturbances.D.Theymaintainpuppy-likesleeppatternsasadults.35.Whatdoestheincreaseinsleepspindlesinflat-laceddogsimply?A.Theyhaveastrongermemoryduringsleep.B.Theyhaveastrongdesiretosleepduringthenight.C.Theyaremorelikelytosucceedinhardtraining.D.Theymayfacechallengesinlearningduringtraining.36.Whydosomeflat-faceddogssleepwithatoyintheirmouths?A.Theywanttohavepleasantdreams. B.Itpreventsthemfromsnoringloudly.C.Ithelpsthemmaintainanopenairway. D.Theyenjoyplayingwithtoyswhilesleeping.(23-24高三下·甘肃武威·阶段练习)Long-termexposuretolow-frequencynoisecancausemanyhealthproblems,butthesolutionmaybefoundinanunexpectedobject,aping-pongball.Conventionallythoughtofastheplasticballsthatspeedthroughtheairduringafast-speedgameoftabletennis,withafewchanges,ping-pongballscanhelpabsorbthecitynoise.Low-frequencynoiseiseverywhereincities,nearroads,andbyairports.Thoughpotentiallyheardasbackgroundintheacoustic(声学的)landscape,itcanleadtoearaches,breathingproblemsandotherlong-termharmfuleffects.Becauseitisproducedbyarangeofsourcesandislessaffectedbystructuresthanhigher-frequencysound,low-frequencynoisecanbechallengingtoavoid.InJournalofAppliedPhysics,researchersfromtheUniversityofLilleandtheNationalTechnicalUniversityofAthensdescribeanacousticmetasurface(超表面)thatusesping-pongballstopreventsoundpassingthrough.“Ping-pongballsarewell-known,everydayobjects,presentinlargenumbersallovertheworld,”saidauthorRobineSabat.“Ourmotivationwastousetheseeasilyaccessibleobjectstocreatealow-frequencysoundproofpanelstructure.Ping-pongballsthereforepresentasuitablealternativetosoundinsulators.”Acousticmetasurfacesarematerialsspeciallyengineeredtohandlesoundwaves.Thismetasurfaceusesping-pongballswithsmallholes,actingasHelmholtzresonators(共振器).Moreresonantfrequenciesmeantthedevicewasabletoabsorbmoresound.Atthesuccessoftwocoupledresonators,theresearchersaddedmore,untiltheirdevicelookedlikeasquaresheetofping-pongballscover
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