云南省鎮(zhèn)康縣第一中學(xué)2025屆高三適應(yīng)性調(diào)研考試英語(yǔ)試題含解析

云南省鎮(zhèn)康縣第一中學(xué)2025屆高三適應(yīng)性調(diào)研考試英語(yǔ)試題請(qǐng)考生注意：1．請(qǐng)用2B鉛筆將選擇題答案涂填在答題紙相應(yīng)位置上，請(qǐng)用0．5毫米及以上黑色字跡的鋼筆或簽字筆將主觀題的答案寫在答題紙相應(yīng)的答題區(qū)內(nèi)。寫在試題卷、草稿紙上均無效。2．答題前，認(rèn)真閱讀答題紙上的《注意事項(xiàng)》，按規(guī)定答題。第一部分（共20小題，每小題1.5分，滿分30分）1．Therealreasonwhyprices____,andstillare,toohighiscomplex,andnoshortdiscussioncansatisfactorilyexplainthisproblem.A．were B．willbeC．havebeen D．hadbeen2．Ifithadnotbeenfortheheroes’contributionsandsacrifices,we_____suchahappylife.A．wouldn’thaveled B．wouldn’tbeleadingC．haven’tled D．a(chǎn)renotleading3．Asurveyoftheopinionsofexperts_________thatthreehoursofoutdoorexerciseaweek________goodforone’shealth.A．show;are B．shows;isC．show;is D．shows;are4．Wherehaveyoubeen?—I_______intheheavytraffic.OtherwiseI_______hereearlier.A．havegotstuck;wouldhavecome B．gotstuck;wasC．gotstuck;wouldhavecome D．hadstuck;wouldcome5．Somepeopleareabletomultitaskwell—theycantwoormorebusinessesatthesametimeverywell.A．turntoB．relatetoC．leadtoD．a(chǎn)ttendto6．Inmyopinion,one’sindividualincomedoesnotwhollyreflecttheextent________one’sself-valueandsocialvaluearerealized.A．ofwhich B．withwhichC．onwhich D．towhich7．______tonuclearradiation,evenforashorttime,mayinfluencegenesinhumanbodies.A．Havingexposed B．BeingexposedC．Toexpose D．Exposed8．—OK，here___________.—Thankyouforyourlift.Seeyoulater.A．a(chǎn)reweB．isitC．weareD．comesit9．Atthebackoftheoldtemple__________twelvehugestonestatuestogetherwith__________pagoda.A．doesstand;a8-storeyed B．dostand;a8-storyC．stands;an8-storey D．stand;an8-storied10．Somepeoplecreatejobs,fosterexcitementandbasicallymakethesystemwork.Theyseepossibilities________othersseeonlyproblems.A．that B．what C．which D．where11．Ladiesandgentlemen,onbehalfofourgovernment,I'dliketo________asincerewelcomeandheartfeltgratitude.A．exploitB．exposeC．expandD．extend12．—Iforgottoregisterforthecourses.I’monedaylateandmostoftheclassesarefull.WhatshallIdo?—________Youcan’tdoanythingaboutthat.A．Takeyourtime. B．Pooryou!C．Sowhat? D．Noway!13．Thiskindofgelpenwhich______smoothlyisquitepopularwithstudents.A．iswrittenB．iswritingC．wroteD．writes14．Fromhisexpression,Idon’tthinkhecouldhavefinishedhishomeworklastnight,_______?A．couldn’the B．doIC．didhe D．hasn’the15．________anincreaseinforeignlegalconflicts，Chinaisexpectedtoseethenumbercontinuetorise．A．Towitness B．BeingwitnessedC．Witnessed D．Havingwitnessed16．“Drive-ins”havelargeparkinglots________customersareservedintheircarsbywaitresses.A．who B．when C．which D．where17．Nodecision__A_aboutanyfutureappointmentuntilallthecandidateshavebeeninterviewed.A．willbemade B．ismadeC．isbeingmade D．hasbeenmade18．—IntheUK，somepeopleequatelifeexperiencewiththenumberofstampsintheirpassports.—That’swhytheyallagreethatthey________the“travelbug”．A．catchB．caughtC．havecaughtD．a(chǎn)retocatch19．Tomistheonlyoneofthestudentswhoascholarshipsincelastyear.A．haswon B．havewon C．iswinning D．wins20．Wearecommittedtocreatingaworldfreefromthehomelessandthehopeless,aworld_______eachandeverycornerisatrueparadise.A．that B．whichC．ofwhich D．fromwhere第二部分閱讀理解（滿分40分）閱讀下列短文，從每題所給的A、B、C、D四個(gè)選項(xiàng)中，選出最佳選項(xiàng)。21．（6分）VancouverToursVancouverStanleyParkTourIfyouwanttoseethemajorsightsinVancouverandcomehomewithamazingphotographs,this3-hourphotographytouristhewaytogo.WalkthroughVancouver’stopsightseeinglocations;getguidanceonphotographybasicsandfindthebestspotstophotographthecity.FromStanleyPark’stotempolesandold-growthtreestothemostpopularbeachesanddiningspots,youleavewithbeautifulmementosofthecity.HistoricalChinatownWalkingTourExplorethecolorfulpastofCanada’soldestChinatown,inVictoria,BritishColumbia.Thisguidedwalkingtourwillleadyouthroughthestreetsandstoriedalliesofthehistoricneighborhood,asyourguidetellsyoutheinteresting,sometimessadtalesofthepeoplewhohelpedbuildthecityandshapeCanadaaswellasmodemChina.SmallGroupSeatoSkyTourTheSeatoSkyHighwayisoneoftheworld’smostbeautifulandcelebratedroadways.Youdon’thavetotakeyoureyesoffthesceneryonthissmallgrouptourbecausesomeoneelseisdoingthedriving.TourstopsincludeashorthiketoimpressiveShannonFalls,thegorgeousSeatoSkygondola,andaward-winningBritanniaMineMuseum.EagleViewingRiverFloatTourDresswarmlyunderablanketwithacupofhotchocolateforawinterfloatontheriver.Theareaisthewinterhabitatofbaldeagles,andthistripgivesyoutheopportunitytolearnaboutthebirdsasyoufloatthroughtheirarea.Aftertheboatride,returntodrylandjustintimeforafree,heartymealbeforeheadingbacktoVancouver.1、Inwhichtourwillyougetinstructioninphoto-taking?A．SmallGroupSeatoSkyTour.B．VancouverStanleyParkTour.C．EagleViewingRiverFloatTour.D．HistoricalChinatownWalkingTour.2、WhatwillyoudoontheChinatownWalkingTour?A．BuildmodernChina. B．Tellinterestingstories.C．Learnaboutitshistory. D．Enjoyboatsightseeing.3、WhichofthefollowingdoestheEagleViewingRiverFloatTourprovide?A．Afreeeaglehunt. B．Afreeandheartymeal.C．Ahikeinthewoods. D．Acupofblackcoffee.22．（8分）SamantaSchweblin,oneofthebestyoungSpanishlanguagenovelistsnominated(提名)byBritishliterarymagazineGranta,hasvisitedBeijingtopromotethefirstChineseeditionofacollectionofhershortstories.Thecollection,BirdsintheMouth,hasbeentranslatedandpublishedbyShanghai-basedpublisherReader.“SometimesIholdtheChineseeditionandchooseastoryatrandomandtrytoguesswhichoneitis.Butitisalmostimpossibleforme;eventhelengthisdifferent.”saysSchweblin.“WhenabookistranslatedintoaWesternlanguage,Icanatleastunderstandsomepartsofmystories,andthereforesuffersomedoubtaboutthequalityofthetranslation.ButmyChineseeditionismorelikeanactoffaith.”BorninArgentinain1978,SchweblinsayssheisinfluencedbytheliterarytraditionsoftheLaPlataarea,hometomanyfamousLatin-Americannovelists.Interestedinwritingstoriesofordinaryliveswheresuddenlysomethingextraordinaryhappens,somethingnew,strangeorunknown,shethinks,“Thestrangerandtheunknownarenotalwaysrelatedtoghostsoraliens,butcanbesomethingrelatedtotheknownworld,somethingthatactuallycouldhappen.”BirdsintheMouthtellsofadivorcedfatherwhoworriesabouthis13-year-olddaughterandhermysteriousappetites.Itturnsoutthathisdaughtereatslivebirds.TheideaforthisstorycametoSchweblinwhenshewasbrowsingtheInternet,“Click,click,click,apictureofalittlegirlwholooksfrightenedwithherhandscoveringhermouthcametomyeyes.Littlebylittle,Idevelopedthestoryinmymind,andthenwroteitdown”recallsSchweblin.AlthoughthereareelementsofviolenceandbloodinessinSchweblin’sstories,sheskillfullyhidesthem,thinkingthetricktowritingathrillingstoryistostopthemonsterfromappearing,whilemaintainingafrighteningandmysteriousatmosphere.1、SamantaSchweblincametoChinato________.A．payavisittoBeijingB．translateherstoriesintoChineseC．helptomakeherbookmorepopularD．publishhercollection2、WhenmentioningherChineseedition,Schweblinthinks________.A．shesufferssomedoubtaboutthequalityofthetranslationB．herChineseeditionisslightlydifferentfromtheoriginaloneC．shecanunderstandsomepartsofherChineseeditionD．shehasastrongbeliefinherChineseedition3、Fromthepassagewecantell,theauthor________.A．hasanappetiteforwritingsomethingextraordinaryB．gottheideaofherstoryBirdsintheMouthbydesignC．triedtoquitdescribingviolentandbloodyscenesinherstoryD．thinksherwritingstyleismainlyaffectedbysomefamousnativenovelists4、Wecanprobablyreadthepassagein________.A．a(chǎn)textbookB．a(chǎn)newspaperC．a(chǎn)reportD．a(chǎn)sciencefiction23．（8分）Itishardtoimaginethatsuchasmallcountry,thesizeofIndianawiththepopulationofAlaska,tuckedintheHimalayaMountains,accessibleonlybytwoairplanes,isthe“HappiestCountry’’intheworldandhasoneofthefastestgrowingGDP’Sintheworld.ThiscountryisBhutan,“LandoftheThunderDragon”,whichislocatedinSouthAsiaandisencompassedbyIndia,China,andNepal.BhutanisthelaststandingBuddhistKingdomintheWorldand,untilrecently,haspreservedmuchoftheirculturesincethel7thcenturybyavoidingglobalizationandstayingisolatedfromtheworld.Internet,television,andwesterndresswerebannedfromthecountryupuntiltenyearsago.OverthepasttenyearsglobalizationhasbeguntochangeinBhutan,butthingsremainperfectlybalanced.Bhutanistheonlycountryintheworldthathasa‘GNH’,whichrefersto“GrossNationalHappiness.’’TheprocessofmeasuringGNHbeganwhenBhutanopeneduptoglobalization.Itmeasurespeople’squalityoflife,andmakessurethat“materialandspiritualdevelopmenthappentogether.”Bhutanhasdoneanamazingjoboffindingthisbalance.BhutanhascontinuallybeenrankedasthehappiestcountryinallofAsia,andtheeighthHappiestCountryintheworldaccordingtoBusinessWeek.In2007,BhutanhadthesecondfastestgrowingGDPintheworld,atthesametimeasmaintainingtheirenvironmentandculturalidentity.In2008,inBhutan’sfirstdemocraticelection,28-year-oldJigmeKhesarNamgyelWangChuckwaselectedpresidentofBhutan.Hepromisesto“maintainastance(立場(chǎng))ofprotectionagainsttheworstaspectsofglobalization,maintainingthe‘GrossNationalHappiness’.”ButJigmehimselfisnostrangertoglobalization.HeattendedhighschoolatPhillipsAcademyanduniversityatWheatonCollegeandthengraduatedfromOxford.1、Theunderlinedword“encompassed’’inthefirstparagraphmostprobablymeans__________.A．covered B．surroundedC．separated D．guarded2、WhyisBhutanregardedas“thehappiestcountry”?A．Becauseitchangesitspolicyandbeginstoopenup.B．Becauseituses“GNH”tomeasureitsachievement.C．Becauseitstressesbothmaterialandspiritualdevelopment.D．BecauseithasthesecondfastestgrowingGDPintheworld.3、WhatCanweinferfromthelastparagraph?A．TheelectioninBhutanisfarfromsatisfactory.B．GlobalizationhasinfluencedBhutan’sreligion.C．Jigme’seducationalbackgroundwillcausedistrust.D．PeopleinBhutanwillcontinuelivingahappylife.4、Whichofthefollowingshowsthestructureofthepassage?A． B．C． D．24．（8分）Dealingwithobesityisdifficult.Alotoffactorssuchasethnicity,genetics,lifestyle,andpersonalhabitsshouldbeconsideredinthemanagementofobesity.Obesity,ifnotproperlymanaged,canleadtoalotofhealthproblemsthatmaylaterevolveintolife-threateningdiseases.Themanagementofobesitymostlyfocusesonlifestylechanges.Reachingyourhealthyweightinvolvespropermanagementofyourdietandexercise.Theobesepersonmayseekthehelpofadietitianorapersonaltrainer.Therearealotofdietsthathavegainedpopularity.However,itisbestthatyouconsultyourdietitianonwhatisbestforyou.Furthermore,yourdietitianwouldconsideryourfoodpreferences.Ifyouarealittlelowinthebudget,takeintoconsiderationthecurrentdietaryrecommendationsthatwerebasedonthefoodpyramid.ThisisresearchableontheInternet.Youcanusethisasaguideonhowmuchyouaresupposedtoeat.Exercisehasalotofbenefits.Itburnsthoseextracaloriesandpreventsdifferenthealthproblemsfromoccurring.Thus,exerciseisvitalifyouwishtoloseweight.Peopleareoftentoolazytoengageinexercise.However,therearenumerousalternativestothe-usualexerciseroutine.Ifyouwantthingstobeplain,walkingorbikingisagoodexercise.Itisimportantthatyousticktoyourexerciseplansothatyouwouldachieveyourdesiredresults.However,youmustsetrealisticgoalssoasnottobedisappointed.Behavioralchangesarevitaltoconqueringobesity.Thosewhoengageincrashdietsaremostlyunsuccessfulinweightmanagementbecausetheydonothaveanybehavioralchange.Sedentarylifestylecontributestoweightgain.Perhapsaddingphysicalactivitytoyourschedulewouldhelpinweightmanagement.Physicalactivitycouldbeassimpleasdancingaroundthehouseorjustplainstrollingalongthemall.1、Whyisobesityasevereproblem?A．Itmaythreatenyourlife.B．Itcaninfluenceyourwork.C．Itmaymakeyoulookunattractive.D．Itcanpreventyoufromplayingsports.2、Whatshouldyoudoifyoudon'thavemuchmoney?A．Turntoanexpert.B．Refertoeatingadvice.C．Mainlyeatenergy-givingfood.D．Seldomhavenutritiousfood.3、Whyshouldyousetpracticalaims?A．Youwillneverfeeldisappointed.B．Theywillmakeyougoon.C．Youwillcarryoutsimplethings.D．Theywillmakeyoufeelrelaxed.4、Whatdoestheunderlinedword“Sedentary”inthelastparagraphmean?A．Unhealthy.B．Overeating.C．Unchangeable.D．Inactive.25．（10分）Forallthepressuresandrewardsofregionalization(地區(qū)化)andglobalization,localidentitiesremainthemostdeeplyimpressed.Eveniftheendresultofglobalizationistomaketheworldsmaller,itsscopeseemstofostertheneedformoreprivatelocalconnectionsamongmanyindividuals.AsBernardPoignant,mayorofthetownofQuimperinBrittany,toldtheWashingtonPost,“Manisafragileanimalandheneedshiscloseattachments.Themoreopentheworldbecomes,themoretiestherewillbetoonesrootsandone’sland.”Inmostcommunities,locallanguagessuchasPoignant’sBretonserveastrongsymbolicfunctionasaclearmarkof“authenticity(原真性)”.Thesumtotalofacommunity’ssharedhistoricalexperience,authenticityreflectsanoticeablelinefromaculturallyidealizedpasttothepresent,carriedbythelanguageandtraditionsassociatedwiththecommunity’sorigins.Aconcernforauthenticityleadsmostsecular(世俗的)IsraelistodefendHebrewamongthemselveswhilealsoacquiringEnglishandevenArabic.ThesameobsessionwithauthenticitydrivesHasidicJewsinIsraelortheDiasporatochampionYiddishwhilealsolearningHebrewandEnglish.Ineachcase,authenticityamountstoacentralcoreofculturalbeliefsandinterpretationsthatarenotonlyresistanttoglobalizationbutalsoareactuallyreinforcedbythe“threat”thatglobalizationseemstopresenttothesehistoricalvalues.Scholarsmayarguethatculturalidentitieschangeovertimeinresponsetospecificrewardsystems.Butlocalsoftenresistsuchexplanationanddefendauthenticityandlocalmothertonguesagainsttheperceivedthreatofglobalizationwithnearreligiouseagerness.Asaresult,neverbeforeinhistoryhavetherebeenasmanystandardizedlanguagesastherearetoday:roughly1,200.Manysmallerlanguages,eventhosewithfarfewerthanonemillionspeakers,havebenefitedfromstate-sponsoredorvoluntarypreservationmovements.Onthemostinformallevel,communitiesinAlaskaandtheAmericannorthwesthaveformedInternetdiscussiongroupsinanattempttopassonNativeAmericanlanguagestoyoungergenerations.IntheBasque,Catalan,andGalicianregionsofSpain,suchmovementsarefiercelypoliticalandfrequentlyinvolvedloyalresistancetotheSpanishgovernmentoverpoliticalandlinguisticrights.ProjectshaverangedfromacampaigntoprintSpanishmoneyinthefourofficiallanguagesofthestatetothecreationoflanguageimmersionnurseryandprimaryschools.ZapatistasinMexicoarechampioningtherevivalofMayanlanguagesinanequallypoliticalcampaignforlocalautonomy.Inadditiontocausingthefeelingofthesubjectiveimportanceoflocalroots,supportersoflocallanguagesdefendtheircontinueduseonpracticalgrounds.Localtonguesfosterhigherlevelsofschoolsuccess,higherdegreesofparticipationinlocalgovernment,moreinformedcitizenship,andbetterknowledgeofone’sownculture,history,andfaith.Governmentandreliefagenciescanalsouselocallanguagestospreadinformationaboutindustrialandagriculturaltechniquesaswellasmodernhealthcaretodiverseaudiences.DevelopmentworkersinWestAfrica,forexample,havefoundthatthebestwaytoteachthevastnumberoffarmerswithlittleornoformaleducationhowtosowandrotatecropsforhigheryieldsisintheselocaltongues.Nevertheless,bothregionalizationandglobalizationrequirethatmoreandmorespeakersoflocallanguagesbemulti-literate.1、Inparagraph1,theauthorquotedamayor’swordtoshowthatglobalization________.A．strengthenslocalidentities B．weakensregionalizationC．strengthensindividualism D．weakenslocalattachments2、Theinfluenceofglobalizationonauthenticityisthatit________.A．weakenstheauthorityofauthenticityB．preventsthedevelopmentofauthenticityC．enhancestheimportanceofauthenticityD．promotesthematurityofauthenticity3、Intermsofcampaignsforlanguageprotection,AmericadiffersfromSpainandMexicointhat______.A．itsvolunteershaveenoughsponsorshipfromthestate.B．itslocalsarenotinterestedinfindingnativeAmericans.C．itsyouthsareeagertopassonthelocaltraditions.D．itsmovementsarenotpolitical.4、WhichofthefollowingstatementsisNOTtrue?A．Practically,locallanguagesarelessusedthanEnglish.B．Locallanguagesaremoreimportantindailylife.C．Thesmallertheworldis,themoreunitedthelocalsare.D．Therelationbetweenlocalizationandglobalizationisdouble-win.第三部分語(yǔ)言知識(shí)運(yùn)用（共兩節(jié)）第一節(jié)（每小題1.5分，滿分30分）閱讀下面短文，從短文后各題所給的A、B、C和D四個(gè)選項(xiàng)中，選出可以填入空白處的最佳選項(xiàng)．26．（30分）Twenty-firstcenturyhumanityhasmappedoceansandmountains,visitedthemoon,andsurveyedtheplanets.Butforalltheprogress,people1don’tknowoneanotherverywell.ThatbringsaboutTheodoreZeldin’s“2ofconversation”—events3individualssitinpairswithpersonstheydon’tknowforthreehoursof4talkdesignedtohelppeopleknowbetterabouteachother.Mr.ZeldinheadsOxfordMuse,al0-year-oldfoundationbasedonthe5thatwhatpeopleneedisnotmoreinformation,butmoreinspirationandencouragement.The“feast”inLondonlooks6atpoliticsorevents,butathowpeoplehavefeltaboutwork,relationsamongthesexes,hopes7fears,enemiesandauthority,theshapeoftheirlives.The“menuof8”includestopicslike“Howhaveyourconcernschanged9theyears?”O(jiān)r,“Whathaveyoudoneagainstthepast?”Asparticipantsgathered,Zeldinopenedwithaspeech:thatdespite10communicationslikeQQandMSNinaglobalizedage,issuesofhumanheart11Manypeoplearelonely,oroccupiedindealingwiththeirdailybusinessesthatdiscourageknowingthe12ofoneanother.“Wearetrappedin13conversationsandthewholepointnowistothink,whichissometimespainful,”hesays.“But14interactioniswhatseparatesusfromotherspecies,15maybedogsthatdohaveinteractionswithhumans.”Themainrulesofthe“feast”:Don’t16withsomeoneyouknoworaskquestionsyouwouldnotanswer.Theonlyawkwardmomentcamewhenthemulti-racialcrowdofpeopleofdifferentages,insunhats,tiesand17,lookedtosee18theywouldtalkwithforhours.1915minuteslater,everyonewasseatedandtalking,continuingfullforceuntilorganizersinterruptedthem180minuteslater.Somesaidtheyfeltfreetotalkon20topics.Thirty-somethingPeter,fromEastLondon,saidthat“itmighttakeweeksormonthstogettothelevelofinteractionwesuddenlyopenedup.”1、A．still B．a(chǎn)lready C．even D．yet2、A．topic B．subject C．idea D．feast3、A．what B．when C．that D．where4、A．free B．organized C．guided D．random5、A．theory B．idea C．opinion D．fact6、A．not B．notonly C．never D．ever7、A．but B．a(chǎn)nd C．or D．with8、A．talk B．speech C．conversation D．communication9、A．during B．over C．for D．within10、A．convenient B．a(chǎn)ccessible C．immediate D．instant11、A．leave B．a(chǎn)ppear C．disappear D．remain12、A．depth B．well C．truth D．good13、A．small B．daily C．deep D．shallow14、A．thinking B．talking C．communicating D．lecturing15、A．with B．besides C．except D．from16、A．talk B．pair C．involve D．sit17、A．dresses B．skirts C．T-shirts D．coats18、A．which B．whom C．who D．that19、A．So B．And C．But D．Then20、A．hot B．popular C．sensitive D．private第二節(jié)（每小題1.5分，滿分15分）閱讀下面材料，在空白處填入1個(gè)適當(dāng)?shù)膯卧~或括號(hào)內(nèi)單詞的正確形式。27．（15分）Lastsummer,assoonasschoolwasover,IthoughtmaybeIcouldspendthesummer1．a(chǎn)waydifferentfrompreviousones.Buthow?PerhapsIcouldtake2．part-timejobandmakesomemoney.I3．(offer)aninterviewsoonafterIfiledmyapplicationtoKentuckyFriedChicken.Theinterviewwasthreedaysahead4．(prepare)forit,IwentthroughInterviewSkills,abook5．preparesreadersforjobinterviews.Mymomanddadtriedtohelpby6．(give)mesimulated(模擬的)interviewsoneafter7．.Iwasallreadythedaybeforetheinterview.Iansweredallofthemanager’squestions8．(perfect).Afterall,mymomanddadhadexpectedallofthemandIjustneededtorepeattheanswersIhadprepared.Besides,Ihadcarriedmyselfwellthroughtheinterview.Myfacial9．(express),myvoice,my……allwereexcellent.Ifeltthejobwasalreadymine.ThatnightIcalculatedhow10．moneyIwouldmake,andIplannedthewaysIwouldliketospendit.第四部分寫作（共兩節(jié)）第一節(jié)短文改錯(cuò)（滿分10分）28．（10分）假定英語(yǔ)課上老師要求同桌之間交換修改作文，請(qǐng)你修改你同桌寫的以下作文。文中共有10處語(yǔ)言錯(cuò)誤，每句中最多有兩處。每處錯(cuò)誤僅涉及一個(gè)單詞的增加、刪除或修改。增加：在缺詞處加一個(gè)漏字符號(hào)（∧），并在其下面寫出該加的詞。刪除：把多余的詞用斜線（\）劃掉。修改：在錯(cuò)的詞下劃一橫線，并在該詞下面寫出修改后的詞。注意：1、每處錯(cuò)誤及其修改均