云南省安宁市实验石江学校2024年高三下学期第五次调研考试英语试题含解析

云南省安宁市实验石江学校2024年高三下学期第五次调研考试英语试题注意事项:1．答题前，考生先将自己的姓名、准考证号码填写清楚，将条形码准确粘贴在条形码区域内。2．答题时请按要求用笔。3．请按照题号顺序在答题卡各题目的答题区域内作答，超出答题区域书写的答案无效；在草稿纸、试卷上答题无效。4．作图可先使用铅笔画出，确定后必须用黑色字迹的签字笔描黑。5．保持卡面清洁，不要折暴、不要弄破、弄皱，不准使用涂改液、修正带、刮纸刀。第一部分（共20小题，每小题1.5分，满分30分）1．—Sir,I’mlatebecausemycarbrokedownontheway.—________.I’vehadenoughofyourexcuses.A．Cutitout B．Suityourself C．Youcan’tbeserious D．Itmakessense2．Oneofthemostimportantquestionstheyhadtoconsiderwas___________ofpublichealth.A．whatB．thatC．thisD．which3．Youcanaskanyoneforhelp.________hereiswillingtolendyouahand.A．Everyone B．NooneC．One D．Someone4．—Startingaconversationisagoodwaytokilltimeonthetrain.—_______.Ialsoliketotalkwithstrangers.A．Thatistrue B．ItsoundslikefunC．Idon’tthinkso D．Youarekidding5．—Didyoucatchthefirstbusthismorning?—No.Ithadleftthestop_________Igotthere.A.inthetime B．atthetimeC．bythetime D．duringthetime6．——Willyourequireanythingelse?——Yes,Ilikeawhisky.A．will B．shall C．should D．might7．—Doyouknow______themeetingroomearlier?—Shehadaheadache.A．whyAnnleftB．whydidAnnleaveC．whyAnnwillleaveD．whywillAnnleave8．IwishI________herthenewsandthenshewouldn’tbeworriednow.A．don’ttell B．didn’ttellC．haven’ttold D．hadn’ttold9．Russia'scuttingoffthegassupplyraisedamajorconcerntotheEuropeanUnion,anumberofmemberstatesareincreasinglydependentononesinglesupplier.A．whose B．thatC．where D．which10．—Whataboutyourself-drivetripyesterday?—Tiring!Theroadwasbeingwidened,andwe________aroughride.A．had B．haveC．wouldhave D．havehad11．Expertswarnthatmedicalwastefromhospitals,if________properly,mayleadtospreadingdiseases.A．nothandled B．notbeinghandledC．nottobehandled D．nothavinghandled12．Whathelikedtodowastotakeanideaand______itbyfindingeverypossibleconsequence.A．squeeze B．wrestleC．switch D．shrink13．Thiskindofgelpenwhich______smoothlyisquitepopularwithstudents.A．iswrittenB．iswritingC．wroteD．writes14．Wehavealreadydiscussedthisplan_____,sonextweshouldsparenoefforttocarryitout.A．atlength B．atrandom C．atease D．atbest15．—Tony,doremembertosendthereporttothesalesmanager!—________.A．Madeit B．GotitC．Heardit D．Followedit16．TheChinesepeoplearekindandcaring.Ifnot,I_____inChinainthepast30years.A．didn’tstay B．hadn’tstayedC．couldn’tstay D．couldn’thavestayed17．.Somepeoplesaymorebutdoless______othersdotheopposite.A．once B．when C．while D．as18．Haveyoueverbeeninasituation______youknowtheotherpersonisrightyetyoucannotagreewithhim?A．where B．which C．that D．as19．Ihopethatwewillbeabletomakeitthroughthetoughtimesandbacktothebusinessofworkingtogether________ourcommongoals.A．onbehalfof B．inhonorof C．ontopof D．insearchof20．Manynetizensareimpressedwiththeexcusegivenbyateacherforquittingherjob______sheowestheworldavisit.A．because B．that C．where D．why第二部分阅读理解（满分40分）阅读下列短文，从每题所给的A、B、C、D四个选项中，选出最佳选项。21．（6分）TimeTravelIfyoucouldtravelintime,wherewouldyougo?PerhapsyouwouldwatchanoriginalperformanceofaShakespeare’splayinElizabethanEngland?WhatabouthangingoutwithLaoziintheSpringandAutumnPeriod?Ormaybeyou'dvoyagefaraheadofthepresentdaytoseewhatthefutureholds.Thepossibilityoftimetravelisindeedappealing.Storiesexploringthesubjecthavebeenaroundforhundredsofyears.Perhapsthebestknownexampleissciencefictionnovel.TheTimeMachine,whichwaswrittenbyH.G.Wellsandpublishedin1895forthefirsttime.Itwasadaptedintoatleasttwofeaturefilmsofthesamename,aswellastwotelevisionversions,andalargenumberofcomicbookadaptations.Itisgenerallycreditedwiththepopularizationoftheconceptoftimetravelusingavehiclethatallowsanoperatortotravelpurposefullyandselectively.Theterm"timemachine",coinedbyWells,isnowuniversallyusedtorefertoavehicletransportingpeopleintothefarfuture.Butcouldtimetravelactuallybepossible?Somescientistssayyes,intheory.Theyproposeusingcracksintimeandspacecalled“wormholes”,whichcouldbeusedasshortcutstootherperiods.Einstein’stheoryofrelativityallowstimetravelinextremecircumstances.AndBritishphysicistStephenHawkingsaysyoucouldtravelintothefuturewithareallyfastspaceshipgoingatnearlythespeedoflight.Thoughbuildingsuchaspaceshipwouldofcoursebenosimpletask.Evenifyoucouldtravelintothepast,thereissomethingcalledthe“grandfatherparadox”.Itaskswhatwouldhappenifatimetravelerweretogobackintimeandhavehisowngrandfatherkilledforsomereason,andthereforepreventhimselffrombeingborn.Ifthetimetravelerwasn’tborn,howwouldhetravelbackintime?Andwouldyoureallyliketovisitthefuture?InH.G.Wells’book,themaincharactertravelsintodistanttimewherehearrivesatabeachandisattackedbygiantcrabs.Hethenvoyages2millionyearsintothefuturewheretheonlylivingthingisablackobjectwithtentacles(触角).Ifthat’swhat’sinstore,maybewearebetterjustlivinginthepresentdayafterall.1、ThenovelTheTimeMachinementionedinParagraph2aimstoshow______.A．thecontributionofH.G.Wells B．thestory’sdifferentfeaturesC．thelonghistoryoftimetravel D．people’sinterestintimemachine2、Einstein’sandHawking’stheories_____.A．suggestthepossibilitytoinventthetimemachineB．pushtheinventionofthefirstspaceshipC．haveprovedwrongbysometimetravelersD．havesimilaritiesinmanyway3、InParagraph4,“grandfatherparadox”probablyreferstotheideathat______.A．thetravelerispreventedfrommeetinghisgrandfatherB．thegrandfather’sdeathmakesthetraveler’sbirthimpossibleC．thetravelergoesbackintimetoseekforhisgrandfatherD．thereunionofthetravelerandhisgrandfatherbringshappiness4、Accordingtothepassage,whatisprobablytheauthor’sattitudetowardstimetravel?A．Skeptical. B．Unclear.C．Supportive. D．Unconcerned.22．（8分）Infairytales,it'susuallytheprincessthatneedsprotecting.AtGoogleinSiliconValley,theprincessistheonedefendingthecastle.ParisaTabrizisa31-year-oldwithperhapsthemostuniquejobtitleinengineering-“GoogleSecurityPrincess”.Herjobistohackintothemostpopularwebbrowser（浏览器）ontheplanet,tryingtofindweaknessesinthesystembeforethe“blackhats”do.TodefeatGoogle'sattackers,Tabrizmustfirstlythinklikethem.Tabriz'srolehasevolveddramaticallyintheeightyearssinceshefirststartedworkingatGoogle.Backthen,theyounggraduatefromIllinoisUniversitywasoneof50securityengineerstodaythereareover500.Cybercrime（网络犯罪）hascomealongwayinthepastdecade-fromtheNigerianPrinceScamtocreditcardtheft.Tabriz'sbiggestconcernnowisthepeoplewhofindbugsinGoogle'ssoftware,andselltheinformationtogovernmentsorcriminals.Tofightagainstthis,thecompanyhassetupaVulnerabilityRewardsProgram,payinganywherefrom$100to$20,000forreportedmistakes.It'saworldawayfromTabriz'scomputer-freechildhoodhomeinChicago.ThedaughterofanIranian-Americandoctorfather,andPolish-Americannursemother,Tabrizhadlittlecontactwithcomputersuntilshestartedstudyingengineeringatcollege.Gazeacrossaline-upofGooglesecuritystafftodayandyou'llfindwomenlikeTabrizarefewandfarbetween（稀少的）thoughinthelastfewyearsshehashiredmorefemaletechgeniuses.Sheadmitsthere'sanobviousgenderdisequilibriuminSiliconValley.Funnilyenough,duringtrainingsessionsTabrizfirstasksnewcolleaguestohackintonotacomputer,butavendingmachine.Tabriz'sjobisasmuchabouttechnologicalknow-how（专门知识）asunderstandingthepsychologyofattackers.1、WhatcanwelearnaboutTabrizfromthepassage?A．ShewasthefirstfemaleengineeratGoogle.B．Shemustthinkdifferentlysoastodefeattheattackers.C．Herjobrelatestonotonlytechnologybutalsopsychology.D．Herfrequentcontactwithcomputersinchildhoodbenefitsheralot.2、WhyhasGooglesetupaVulnerabilityRewardsProgram?A．ToprotectGoogleagainstcybercrime.B．TomonitorthenormaloperationofGoogle.C．Tohelpthegovernmentlocatethecybercriminals.D．Toraisepeople'sawarenessofpersonalinformationsafety.3、Whatdoestheunderlinedword“disequilibrium”inParagraph4referto?A．Imbalance.B．Preference.C．Difference.D．Discrimination.4、Whichofthefollowingcouldbethebesttitleofthispassage?A．WhatleadstocybercrimeB．The“SecurityPrincess”whoguardsGoogleC．MeasurestakenbyGoogletoprotectitsusersD．Howtobecomeanexcellentsecurityengineer23．（8分）MydaughterKellyisacautiousperson.Sheneedstowarmuptosituations,andishesitanttotrynewthings.Whenwithclosefriends,shebecomesaleaderwholaughsloudlyandchants,“Girlsrule,boysdrool.”Butwhenthatcomfortzoneisnotaroundher,sheisshyandnervous.Thishasbeenchallengingformeattimes.“Shy”isnotawordthatIthinkhaseverbeenusedtodescribeme.Butthishasbeenayearoffirstsformygirlthathasfilledherwithanewsenseofconfidence.Thisyearshemovedtolaplaneinswimmingwhereshewaspreparingforaswimteam.Thisyearshelearnedtorideabikewithouttrainingwheels.Andthisyearshecompletedherfirstkids’triathlon(三项全能).OnSaturday,withathunderstormcomingsoonandmyson’sbirthdaypartylaterintheday,weallwentoutinthedarkofthemorningforKellytoparticipateinherfirsttriathlon.Wepracticedtransitionsfromswimtobiketorunwithher,wegotalltheequipmentshe’dneed,andwekepttalkingabouttherace.Butaswewaitedthetwohoursfortheolderkidstofinishbeforeherturn,sheheldmylegalittleharderandtoldmeshelovedmeafewtoomanytimes.Shewasnervousbuttryingtokeepittogether.Andthenitwasherturn.Fromthesecondshejumpedintothewater,myheartsoared.MydaughtertransformedintothemostconfidenthumanbeingIhadeverseen.Shedominatedthatswim,crushedthatbikerideandrantothefinishwiththebiggestsmileonherface.IcanhonestlysaythatIneverfeltsoproudofsomeoneinmyentirelife.Itwasn’tbecauseshedidasportoranythinglikethat.ItwasbecauseshewasafraidofsomethingandconqueredthatfearwithconfidenceandafireIhadn’tseenbefore.AlldayIwouldfindmyselfjustlookingoveratherandsmiling.ShemightbewearingthefinalistmedalbutIfeltlikeIwonthatday.Iwonthechancetoseemygirlshine.Shineon,sweetbaby.1、Kellyisnervouswhen________.A．situationsarenewtoherB．shechangesintoaleaderC．sheisawayfromhermomD．boysarearoundher2、WecanknowfromParagraph3________.A．theracebeganintheearlymorningB．thewholefamilygaveKellysupportC．KellywaseagerforherturnintheraceD．Kellypreparedforherbrother’sbirthdayparty3、SeeingKelly’sperformanceintherace,theauthorfelt________.A．excitedandproudB．anxiousanduneasyC．worriedandhesitantD．curiousandconcerned4、InParagraph5,theunderlinedword“conquered”probablymeans________.A．todefeatsomeoneespeciallyinacompetitionB．tosucceedindealingwithorcontrolsomethingC．tobecomeverypopularorsuccessfulinaplaceD．totakecontrolofacountryoracityanditspeoplebyforce5、Intheendingparagraphstheauthor“feltlikeIwonthatday”becauseKelly_______.A．overcamethefearB．expressedlovetoherC．wonthegoldmedalD．tookpartinthesport24．（8分）Byhighschool,T.J.wasthemostfamousoneinhistown.Imethimforthefirsttimeataweekendleadershipelection.WhenIshowedup,thecommunityleadersgavemethisoverviewoftheattendingstudents:“Wehaveallthestudentsheretoday,fromthestudentpresidenttoT.J.Ware,theboywiththelongestarrestrecordinthehistoryoftown.”Atthestartoftheelection,hewasstandingagainstthebackwall.Hedidn’treallyjointhediscussiongroups,ordidn’tseemtohavemuchtosay.Butslowly,theinteractivegamesdrewhimin.Theicemeltedwhenthegroupsstartedbuildingalistofpositiveandnegativethingsthathadoccurredatschoolthatyear.T.J.hadsomedefinitecommentsonthosesituations.Allofasuddenhewasbeingtreatedlikealeader.Heknewsomethingaboutpoverty,hungerandhopelessness,andeveryonewaslistening.Bytheendoftheelection,hehadjoinedtheHomelessProjectteam.Theotherstudentsontheteamelectedhimco-chairmanoftheteam.ButwhenT.J.showedupatschoolonMondaymorning,hearrivedtoafirestorm.Agroupofteacherswereprotesting(抗议)totheschoolprincipalabouthisbeingelectedco-chairman.Theyremindedtheprincipal,“He’llprobablystealhalfthefood.”Surprisingly,twoweekslater,T.J.andhisfriendsledagrouptocollectfood.Theycreatedaschoolrecord：2,854cansoffoodinjusttwohours.Itwasenoughtofilltheemptyshelvesintwoneighborhoodcenters,andthefoodtookcareofneedyfamiliesintheareafor75days.Thelocalnewspapercoveredtheeventwithafullarticlethenextday.Theeventhelednowcollects9,000cansoffoodinoneday,takingcareof70percentoftheneedforfoodforoneyear.Maybeyou’veheardthesaying,“Abirdwithabrokenwingwillneverflyashigh.”T.J.remindsusthatabirdwithabrokenwingonlyneedsmending.Butonceithashealed,itcanflyhigherthantherest.1、WhatwasT.J.famousforwhentheauthorfirstmethim?A．Collectingfood.B．Makingtroubles.C．Beingelectedco-chairman.D．Showingupattheelection.2、Whichofthefollowingistrue?A．ThegroupswelcomedT.J.’sopinions.B．T.J.knewlittleaboutthetopicsinthediscussions.C．T.J.wasunwillingtocollectfoodforneedyfamilies.D．ThegroupsmadealistofpositiveandnegativethingsaboutT.J..3、WhydidT.J.arrivetoafirestorm?A．Hewascaughtinterribleweather.B．Hesufferedafiredisaster.C．Hisstealingwasmadepublic.D．Hisbeingelectedwasstronglyopposed.4、Whatdoesthestoryintendtotellus?A．Godhelpsthosewhohelpthemselves.B．Badtimesmakesagoodman.C．Everyonedeservesachancetocleanuptheirmistakes.D．Badluckoftenbringsgoodluck.25．（10分）EXPERIENCECOLUMBIAHOTATTRACTIONS◆RIVERBANKSZOO&GARDENItishometomorethan2.000animalsandoneofthenation'smostbeautifulbotanicalgardens.Withmorethan350speciesfromaroundtheworld,Riverbanksisoneofthelargestmid—sizedzoosinthecountry.Hours:9:00a.m．一5:00p.m.daily.Admission:Adults(13—61)一$19.95Children(2—12)——$16.95◆EDVENTURETheSoutll'slargestchildren'smuseumhas300exhibitstomspirechildrentoexpenencethejoyoflearning.whereelsebutEdVenturecanchildrendrivearealfiretruck,anchorthenewsorvisitanothercountry?Hours:Monday-Sunday:9a.m.-5p.m.Admission:MembersFreeChildrenandAdults-$11.95◆SOUTHCAROLINASTATEMUSEUMThestoriesofSouthCarolinacomealivethroughtheexhibitsandcollectionsoftheStateMuseum.Plus,anew4-Dtheaterprovidespopularmoviesthatexciteallages.Museummembersareinvitedtonight-skyobservingandmoreonTuesdaynights!Hours:Mon.,Wed.-Fri.:10a.m.-5p.m.,Tues.:10a.m.-10p.m.,Sat.:10a.m.-6p.m.,Sun.:Noon-5p.m.Admission:Adults(13-61):$8.95Children(3-12):$6.95◆SALUDASHOALSPARKSaludaShoalsParkisasensitiveriverfrontparkthatinvitesvisitorstoexperiencethetreasuresoftheSaludaRiverthroughexceptionaleducationalandculturalopportunities.Fun-filledFamilyActivitiesNightly!(exceptThanksgiving,ChnstmasEveandChristmasnight)Freeforactivities:applywithHolidayLightsadmission($20/car;$40/15-passengervehicle;$60/bus).1、Whichattractionbestsuitsachildinterestedinbroadcastingnews?A．EdVenture.B．TheStateMuseum.C．SaludaShoalsPark.D．RiverbanksZoo&garden.2、Howmuchshouldayoungcouplewitha4-year-oldsonpaytoenjoyvariousplantsandanimals?A．$24.85.B．$20.C．$56.85.D．$35.85.3、WhichofthefollowingisavailabletoalltouristsintheStateMuseum?A．Havingafantasticvisualfeastatl:00p.m.B．VisitingtheexhibitsonSundaymorning.C．Enjoyingfreefamilyactivitieseverynight.D．ObservingtheamazingnightskyonTuesdaynights.第三部分语言知识运用（共两节）第一节（每小题1.5分，满分30分）阅读下面短文，从短文后各题所给的A、B、C和D四个选项中，选出可以填入空白处的最佳选项．26．（30分）Gradythrewdownhisbackpackandslammedthecardoorshut.“Thisisgoingtobeareally1week,”hesaidunhappilytonoone2.Helookedaroundthecampground.Hundredsofblue-greenfirtrees,someastallaschurchtowers,3themountainside,givingittheappearanceofalushgreencarpet.Thesunwouldbesettingsoon.Then,Gradythought,maybethe4wouldn’tfeelsobad.Evenuphereinthe5,thehotstickinessofJulyclungtohim.Gradyhatedcamping,butitwassomethinghisfamily6everysummer.Hisfatherlikedcookingoveranopenfire,tellingstoriesabouthowto7thingslikebearattacksandswarmsofbees.HismotherandyoungerbrotherJaredlikedtohikeandtake8ofanimals.Jaredhadacollectionofbugpicturesthathe’d9tothewallsinhishalfoftheirroom.GradythoughttheywerejustscaryandproofthatJaredwasa10kid.Theysetupcamp—two11,oneforhisparentsandoneforhimselfandJared.Whileeveryoneelsestarted12dinner,Grady,lookingforsomeplacetocooldown,setoffforthenearbystream,whichwasdeepenoughto13in.Ashe14thestream,somethingcaughthiseye.Therewasa/an15blackbearcub—nomorethantwofeettallwithalovelyface.

Itwasplaying16atthewater’sedge,17itssurroundings.Gradymovedclosertogeta18look.

ThenGradyheardasoundbehindhim.He19hisfathersayingthatbearcubswouldneverbe20.Thenheturnedaroundandsawthecub’smothermovingswiftlytowardshim...1、A．longB．interestingC．peacefulD．risky2、A．inadvanceB．inbriefC．inparticularD．insilence3、A．blockedB．coveredC．reflectedD．scarred4、A．dustB．campgroundC．heatD．sun5、A．mountainB．riverC．skyD．tower6、A．believedinB．insistedonC．camecrossD．livedthrough7、A．encourageB．exploreC．recognizeD．survive8、A．careB．controlC．picturesD．examples9、A．guidedB．pinnedC．takenD．thrown10、A．sensitiveB．smartC．toughD．strange11、A．bedsB．roomsC．tentsD．plates12、A．alteringB．huntingC．orderingD．preparing13、A．digB．swimC．hideD．sink14、A．crossedB．imaginedC．leftD．neared15、A．adorableB．aggressiveC．injuredD．large16、A．cautiouslyB．joyfullyC．forcefullyD．nervously17、A．attackingB．destroyingC．hatingD．ignoring18、A．betterB．brighterC．fixedD．lasting19、A．foundB．learnedC．rememberedD．misunderstood20、A．aloneB．awakeC．cuteD．scared第二节（每小题1.5分，满分15分）阅读下面材料，在空白处填入1个适当的单词或括号内单词的正确形式。27．（15分）Janet:Tony,canIaskyoua1．(person)question?Tony:Aboutwhat?Janet:Well,Iwas2．(wonder)abouthowyouarereceivedhereinChina.Tony:Whatdoyoumean?Janet;Well,sinceyouareChinese-CanadianandonlyspeakEnglishand3．(France)well，howdonativeChinesetreatyou?Tony：Oh,well,sometimesitcangetprettydifficult.WhenpeoplefindoutthatI'maCanadiancitizen4．can'tspeakChinesewell,theyusuallycallme5．banana.Youknow，yellowontheout­sideandwhiteontheinside.Janet;6．doesthatmakeyoufeel?Tony:Well,Ifirstfeelmad.ThenIfeelsad,forI7．(see)assomeonewhohasforgottenhisroots.Allthisisbecausemyparentslefttofinda8．(good)life,andIdecidedtoreturninorder9．(find)somethingIlost.SometimesI'mnotsureifIlike10．I'vefound.第四部分写作（共两节）第一节短文改错（满分10分）28．（10分）假定英语课上老师要求同桌之间交换修改作文，请你修改你同桌写的以下作文。文中共有10处语言错误，每句中最多有两处。每处错误仅涉及一个单词的增加、删除或修改。增加：在缺词处加一个漏字符号（^），并在其下面写出该加的词。删除：把多余的词用斜线（\）划掉。修改：在错的词下画一横线，并在该词下面写出修改后的词。注意：1、每处错误及其修改均仅限一词：2、只允许修改10处，多者（从第11处起）不计分。Atthebeginningoftheyear2018,mostpartofChina,includingKunmingandShaoguan,experiencetheheaviestsnowinwinter、Thisunexpectedheavysnowmadeusunpreparedandledmanyproblems、Thesnowblockedcitytrafficandcausedpowercuts,makevehiclesinstreetsrunslowlyandmanytrafficaccidentshappen、Besides,somehighwayswerebeenclosedandalotofflightswascanceledordelayed、Therefore,thissurprisingsnowalsobroughtmuchjoytopeople、Hewentouthappilyandtookagoodmanypicturesofthebeautifulmoments、Childrenwerethrowingsnowballsorsnowmenwereseeneverywhere、Iwillalwaysrememberthismagicallysnow、第二节书面表达（满分25分）29．（25分）阅读下面短文，然后用60个单词左右概括短文的要点。Gettingridofdirt,intheopinionofmostpeople,isagoodthing.However,thereisnothingfixedaboutattitudestodirt.Intheearly16thcentury,peoplethoughtthatdirtontheskinwasameanstoblockoutdisease,asmedicalopinionhaditthatwashingoffdirtwithhotwatercouldopenuptheskinandletillsin.Aparticulardangerwasthoughttolieinpublicbaths.By1538,theFrenchkinghadclosedthebathhousesinhiskingdom.SodidthekingofEnglandin1546.ThusbeganalongtimewhentherichandthepoorinEuropelivedwithdirtinafriendlyway.HenryIV,KingofFrance,wasfamouslydirty.Uponlearningthatanoblemanhadtakenabath,thekingorderedthat,toavoidtheattackofdisease,thenoblemanshouldnotgoout.Thoughthebeliefintheadvantageofdirtwaslong-lived,dirthasnolongerbeenregardedasaniceneighboreversincethe18thcentury.Scientificallyspeaking,cleaningawaydirtisgoodtohealth.Cleanwatersupplyandhandwashingarepracticalmeansofpreventingdisease.Yet,itseemsthatstandardso