2024届广东省汕头市六都中学高考仿真卷英语试卷含解析_第1页
2024届广东省汕头市六都中学高考仿真卷英语试卷含解析_第2页
2024届广东省汕头市六都中学高考仿真卷英语试卷含解析_第3页
2024届广东省汕头市六都中学高考仿真卷英语试卷含解析_第4页
2024届广东省汕头市六都中学高考仿真卷英语试卷含解析_第5页
已阅读5页,还剩9页未读 继续免费阅读

下载本文档

版权说明:本文档由用户提供并上传,收益归属内容提供方,若内容存在侵权,请进行举报或认领

文档简介

2024届广东省汕头市六都中学高考仿真卷英语试卷注意事项:1.答题前,考生先将自己的姓名、准考证号填写清楚,将条形码准确粘贴在考生信息条形码粘贴区。2.选择题必须使用2B铅笔填涂;非选择题必须使用0.5毫米黑色字迹的签字笔书写,字体工整、笔迹清楚。3.请按照题号顺序在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、试题卷上答题无效。4.保持卡面清洁,不要折叠,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.Oneshouldaccomplishtasks____________insteadofalwaystuningtoothersforhelp.A.independently B.activelyC.skillfully D.voluntarily2.—Howabouthisdesign?—Well,totellthetruth,itis______butsatisfactory.Soyou’llhavetotryyourbesttobetterit.A.something B.anythingC.everything D.nothing3.Difficultiesstrengthenthemind,_____labourdoesthebody.A.if B.asC.for D.so4.Billwasdoingalotofphysicalexercisetobuilduphis.A.abilityB.forceC.mindD.strength5.—CanIlieaboutseeingatextbecauseIwastoobusyorlazytorespondtoit?—Receivingatextdoesnotnecessarilymeanyouhavetorespond.Whywasteaperfectlygoodlie________thetruthwillserve?A.unless B.until C.when D.while6.TheDragonBoatFestival________thebeginningofthehottestseasonoftheyear.A.ismarkingB.marksC.willmarkD.marked7.—Toapplyforashort-termstudyvisaintheUK,IhavetobeabletospeaksomeEnglish,butIwanttogotherejusttolearnEnglish.—Oh,it’sreally____.A.aconfidentialsource B.acatch-22situationC.aPandora’sbox D.aHerculeantask8.--Wheneveryouwantagoodmeal,cometomyrestaurantandeatforfree.--Believeme.Thatisan________Iwillnotrefuse.A.approach B.offerC.idea D.instruction9.JustinabookabouthisadventuresinTibet.Ihopehecanfindagoodpublisherwhenitisfinished.A.waswriting B.iscurrentlywriting C.hasalreadywritten D.wrote10.Itisnotlikehertobesoimpolite;sheyouwhenyougreetedher.A.mightnothaveheard B.shouldnothaveheard C.mustn’thear D.shouldn’thear11.Asisexpected,AIisanarea_______Chinamayappearasaleadingforce.A.that B.whereC.which D.when12.Haveyoueverbeeninasituation______youknowtheotherpersonisrightyetyoucannotagreewithhim?A.where B.which C.that D.as13.YesterdayItookmycartothegaragetohavethem________theair-conditioner.A.tocheck B.checking C.checked D.check14.Theshockingnewsmademerealize_____________terribleproblemswewouldface.A.that B.howC.why D.what15.Icalledhernearlytenminutesthismorning,butIcouldn’t________.A.getthrough B.gothrough.C.livethrough D.lookthrough16.—Whydoesheweararaincoatonsunnydays?—NordoIunderstand.Heis________.A.awetblanket B.alazyboneC.ablacksheep D.anoddfish17.Thebuswouldnothaverunintotheriver________forthebadtemperedlady.A.ifitwerenot B.haditnotbeenC.ifitwouldnotbe D.shoulditnotbe18.Onthesurfaceofthewater________,whichspoiledthebeautifulsceneryofthepark.A.somedeadleavesdidfloat B.somedeadleavesfloatedC.floatedsomedeadleaves D.didsomedeadleavesfloat19.He________inauniversityforfiveyears,butnowherunsacompanyofhisown.A.hastaught B.hadtaughtC.taught D.hasbeenteaching20.AninternationalteamofastronomersannouncedWednesdaythatthey________thefirst-everimageofablackhole.A.havecaptured B.werecapturingC.hadcaptured D.wouldcapture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)Theshower,Ifind,isthebestplacetocry.Thewatercoversthesoundofmysadness,whilewashingawayanyevidenceofmypain.Ishowerafterthekidshavegonetobed;it'stheonlytimeIcanbealone.Ialwaysdidmybesttoprotectmytwochildrenfrommytears.IfIneededtocry,Icriedbymyself.Yet,Iencouragemytwoboystocry.My7-year-oldprideshimselfonnevercryingatschool."Oh,butyoumustcry,"Iinsist."Cryingisgood.Itgetsthesadnessout.Neverholdbackyourtears."ButthenIdidjustthat.Whatmightitdotothemtoseetheirmotherupset?Thenmyfatherdied,andtherewasnowayIcouldschedulemygriefandkeepmyfeelingsinside.Itriedtogetonwiththings,butthesadnessstillcame.Therealizationthatmydadwasactuallygonehitmewithanintensity(紧张)thatwasimpossibletocoverup.Tomysurprise,myboysdidn'tseemtooalarmed.Later,theyfoundmehidinginthebedroomoneafternoon,weeping."It'sOK,mommiesgetsadtoo,"Itoldthem,smilingthroughmytears.“Don'tbesad,Mommy.Granddadiscomingbackasababy,”my7-year-oldsaid,histinyarmstretchedacrossmyshoulders."Thinkaboutlove,"hewenton."Thinkaboutallthepeoplewholoveyou."Irealizedthatinhidingmypain,Iwasonlydenyingwhatitmeanstobehuman,IfeltasifIhadledmysonstobelievethat"negative"emotionsareonlyaconcept,andnotsomethingtheyshouldpossess.It'sonethingtotellmychildrenit'sOKtocry.It'sanothertoshowthemhowit'sdone.Weowethattoourchildren,accordingtosocialresearcherandauthorBreneBrown.DuringherTEDtalk,Brownsaid,"It'snecessarywebeseen—deeplyseen"."Ourjobisnottoprotectourchildren,tokeepthemperfect,"saidBrown."Ourjobistolookandsay,‘you'reimperfect,andyou'remadeforstruggles,butyouareworthyofloveandbelonging’."1、Accordingtothepassage,theauthor.A.seldomscheduleshergriefB.believesboysshouldbetoughC.findsinspirationwhensheshowersD.oftengetshersadnessout2、Wherewastheauthorwhenshewasfoundcryingbyherson?A.Inthebathroom.B.Intheauthor'sbedroom.C.Inherfather'shouse.D.Inthekitchen.3、Whatdidtheauthorrealizeaftershefailedtohideherpain?A.Hisson'swordsweremovingandcomforting.B.Hersoncompletelyunderstoodhersadness.C.Thewayshehandledsadnesshadmisledherchildren.D.Herchildrendidn'tworryabouthersadnessatall.4、Thearticleismeanttotellparentsthattheyshould.A.tellkidsit'snotallrighttocryB.getanyoftheiremotionsoutC.pushchildrentoworktowardperfectionD.teachtheirchildrenhowtodealwithgrief22.(8分)PatientsintheearlystagesofAlzheimer’sdiseaseoftenstruggletorememberrecentlylearnedinformation,meaningtheyforgetthingslikeimportantappointmentsorwheretheylefttheirkeys.Butitseemsthatthesememoriesarenotlost.Theyarestillfiledawayinthebrainsomewhere;theyjustcan’tbeeasilyaccessed.Now,researchersatMIThavedevelopedameansofgettingbackmemoriesinmicesufferingfromAlzheimer’s.Themethodreliesonatechniquethatuseslighttocontrolgeneticallymodifiedneurons(转基因神经元).Currentlyitistooearlytobeusedinhumantrialsasitinvolvesinsertinglightemitting(发光)equipmentintothesubjects’brains,butthesameprinciplesstillapply,theresearcherssaid.“Theimportantpointisthatthisisevidenceofconcept.Thatis,evenifamemoryseemstobegone,itisstillthere.It’samatterofhowtogetitback,”saidseniorresearcherSusumuTonegawa.Theteamtooktwogroupsofmice,onegeneticallyengineeredtodevelopAlzheimer’sandonehealthy.Theythenplacedthemintoaroomandgavethemamildelectricshock.Allofthemiceshowedfearwhenputbackinanhourlater.Whenplacedintheroomathirdtimeseveraldayslater,theAlzheimer’smiceactednormally.Theyhadforgottentheshock.Theresearcherswerethenabletobringbackthememoryoftheshockbyactivating(激活)thecellsinwhichthememorieswerestored.Evenwhenthemicewereputintoanunfamiliarroom,theyshowedfearwhenthecellsassociatedwiththeshockwereactivated.“Short-termmemoryseemstobenormal,ontheorderofhours.Butforlong-termmemory,theseearly-Alzheimer’smiceseemtobedamaged,”saidleadresearcherDheerajRoy.“Directlyactivatingthecellsthatwebelieveareholdingthememoryhelpsthemgetitback.Thissuggeststhatitisindeedanaccessproblemtotheinformation,notthatthey’reunabletolearnorstorethismemory.”1、WhatcanwelearnabouttheresearchersatMIT?A.Theyarethepioneersofbrainresearch.B.Theyhaveusedthemethodinhumantrials.C.TheycancureAlzheimer’susingthenewmethod.D.TheycangetbackmemoriesinmicewithAlzheimer’s.2、WhydidtheAlzheimer’smicebehavenormallyathirdtime?A.Theyfailedtoremembertheelectricshock.B.Theywereaccustomedtothesituation.C.Theymanagedtoovercomethefear.D.Theyactivatedtheassociation.3、Forlong-termmemory,theearlyAlzheimer’smice_______.A.canactivatetheirbloodcellsB.can’tlearnnewtrickswellC.caneasilygetbacktheirmemoryD.can’taccesstheinformationstored4、Themainpurposeofthetextisto_______.A.introduceamethodofaresearchB.reportthelatestdiscoveryaboutadiseaseC.giveadviceonhowtoimprovememoryD.explainhowourbrainstoresinformation23.(8分)DogswerelivingascompanionstotheearlysettlersofNorthAmericaover10,000yearsago.TheoldestdomesticdogsintheAmericaswerethoughttobearound9500yearsold.AngelaPerriofDurhamUniversity,UK,andhercolleagueshavecarriedoutfreshradiocarbondatingonthetwodogskeletonsthatgavethisdate,discoveredintheprehistoricKostersiteinIllinois,andfoundtheywereevenolder:around10,100yearsold.AthirddogfromanotherIllinoissitecalledStilwellIIwasolderstill,at10,190yearsold.ThatmakesittheoldestknowndomesticateddogintheAmericas.Theteamconcludedthatallthreedogsweredomesticatedastheirskeletonswerecompleteandunskinned,andsohadn’tbeenbutcheredforfood.Theyhadalsobeencarefollyburied,evidencetheywerevaluedbytheirowners.TheStilwellIIdog,whichprobablyresembledasmallEnglishsettler,wasunderwhatseemedtobethefloorofalivingarea.ItisunclearwhyittooksolongfortamedogstoarriveintheAmericas,giventhattheyweredomesticatedatleast14,000yearsagoinEurasia.Bythistime,peoplewerealreadymovingintoNorthAmericafromSiberia;thereisevidencesomereachedChile18,500yearsago.Geneticistshavefoundsignsofatleastthreewavesofmigrationoverthefollowingmillennia.Thereisnoevidencethatdomesticdogsaccompaniedthem.“Wedon’tknowifdogswerepartofthefirstwavesofimmigrationtotheAmericas”saysLucJanssensofGhentUniversityinBelgium.“Itcouldbeso,butnoarchaeologicalboneshaveyetbeenfound.”Itis“overwhelminglyprobable”thatsomeoftheearlysettlersdidbringdogstotheAmericas,buttheymaynothavehad“thetimeorthespiritualcompulsiontoburythem’%saysPatShipmanofPennsylvaniaStateUniversity.1、HowoldistheoldestknowndomesticdogintheAmericas?A.About9500years.B.About10,100years.C.10,190years.D.18,500years.2、Theunderlinedword“butchered”inthefourthparagraphcouldbereplacedby.A.killedB.boughtC.trainedD.raised3、WhatistheattitudetowardswhentamedogsarrivedintheAmericasinthelastthreeparagraphs?A.Undoubted.B.Unsure.C.Indifferent.D.Unconfident.4、Whatisthemaintopicofthispassage?A.TheearliestdomesticdogintheAmericas.B.ThefirstdogarrivingintheAmericas.C.HowdogsweredomesticatedintheAmericas.D.WhentheoldestdogwasfoundintheAmericas.24.(8分)NearlyoneinfourAmericansmademoneyoverthelast12monthsbyusingtheirpersonalcomputersorotherdevicesconnectedtotheInternet.ThePewResearchCenter,anindependentresearchgroupinWashington,foundthatpeopleareusingtheInternettofindextrawork.Theygoonlinetosellthingssuchasusedbooksandfurnitureortheyoffertoprovideservicessuchasbabysitting,housecleaningorcomputerrepairs.PewfoundthatincomeearnedontheInternetcancomeinmanyforms.Somesaidtheyhadjobsthatpaidafewpennieseachtotakesurveys.Inthesesurveys,peopleareaskedfortheiropinionsofdifferentproductsorwell-knownpeople.AbouttwopercentofAmericansearnedmoneyfromride-sharingcompaniessuchasUberandLyft.Whendriversarereadytopickuppassengers,theyusetheirride-sharecompany’sapp.Thecomputerprogramletsthemknowwhenpassengersarereadytobepickedupandhowtoreachthem.Somepeoplemaketheirhomes,apartments,orroomsinsidetheirhomes,availableformoneytopeoplevisitingtheircities.About60percentofpeoplesaytheincometheyearnisimportanttothem.Butjustoneinfivepeoplewhosellthingsonlinesaytheincomeisenoughtobeimportanttotheirlives.Only16percentbelievedoingonlineworkwillleadtoameaningfulcareer.But37percentsaytheextraincomeearnedfromonlinejobshelpsthemmakeupforshortagesinmoney.Thenumberonereasonpeoplegavefortakingonlinejobswasthattheworkgavethemsomethingtodoandwasfun.Whatkindofpeopleworkonlineoruseonlinedevicestofindwork?Theanswerappearstobe:mostlypeoplewhoalreadyhavejobs.1、Whatisthemainideaofparagraph1?A.Howtosellusedbooks.B.Howtofindextraworkonline.C.Anewwayofmakingmoney.D.AnewresearchontheInternet.2、Howmanyformsofearningmoneyonlinearementionedinparagraph2?A.1. B.2.C.3. D.4.3、Howdoestheauthormakethepointmorepersuasive?A.Bylistingnumbers. B.Byaskingquestions.C.Bytellingstories. D.Bydoingsurveys.4、Whatisimpliedinthelastparagraph?A.ManypeoplehavefoundjobsusingtheInternet.B.Thosewhohavejobsenjoymakingmoneyonline.C.ThefutureoftheInternetisquestioned.D.Morepeoplewilllosetheirjobsoon.25.(10分)Areyouinterestedinmoviemusicals?Herearesomebestmoviemusicalsyouneedtowatch.Singin'intheRain(1952)DebbieReynolds(theheroine)isultra-charminginthistime-honoredclassicmusicalaboutthecomingofthetalkingpicturesinmoviehistory.SheplaysawinningshowgirlwithagoldensingingvoicedesignedforHollywoodstars.YoucanalsoseehowGeneKelly(thehero)madeahitinthetimeless"Singin'intheRain".TheSoundofMusic(1965)Ithitthebigscreenin1965andbecameanearlyblockbuster.It'soneofthosemoviesthateverybodywatchesagainandagain.Whetheryou'resingingalongto"Do-Re-Mi"or"MyFavoriteThings",you'llstillthinkofthecuteVonTrappchildrenandthebeautifulAustriansetting.ChristopherPlummer(thehero)iswonderfulastheseriouscaptainmeltsintogentlenesswhensinging"Edelweiss".AndJulieAndrews(theheroine)showsheraddictivevoiceinsuchsongsas"IHaveConfidence".Chicago(2002)ReneeZellwegerandCatherineZeta-Jonessinganddanceascriminalsinthismusicalaboutfame,envy,andmurderouslove.Famoussongsinclude"CellBlockTango",wherefemalecriminalssingabouthowtheyendedupinjail.ItwonBestPicture,BestActressinasupportingrole,BestArtDirection-SetDecoration,BestCostumeDesign,BestFilmEditing,andBestSoundinOscar2003.LaLaLand(2016)StrugglingactressMia(EmmaStone)andambitiousjazzpianistSebastian(RyanGosling)beginaromanceastheybothfollowtheirheartinthepathoftheirdreamsinLosAngeles.ItwonBestPerformancebyanActressinaleadingrole,BestachievementinDirecting,BestAchievementinCinematography,BestachievementinMusicWrittenforMotionPictures,BestachievementinMusicWrittenforMotionPictures,andBestAchievementinProductionDesigninOscar2017.1、Whichmoviemusicalmarksachangeinthemoviehistory?A.ChicagoB.LaLaLandC.Singin'intheRainD.TheSoundofMusic2、Inwhichsongwillyoufeelgentlenessfromaseriousman?A."Do-Re-Mi"B."Edelweiss"C."Singin'intheRain"D."CellBlockTango"3、WhatdoChicagoandLaLaLandhaveincommon?A.TheybothwonBestPictureB.TheybothtalkaboutcrimesC.Theybothtalkaboutdream.D.Theybothwon6OscarAwards4、IfyouareinterestedinJazzmusic,whoserolewillbeyourfavorite?A.RyanGosling'sB.ReneeZellweger'sC.CatherineZeta-Jones'D.ChristopherPlummer's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)阅读下面短文,从短文后各题所给的四个选项(A.B.C和D)中,选出可以填入的空白处的最佳选项,并在答题卡上将该选项涂黑。Ithappenseveryday,everywhereIgo.Atthesupermarketandthepostoffice,peoplekeeptellingmetoenjoymykidswhiletheyare________Ispendmydaystakingcareofthemandanswering________questionsabouteverythingfromwhywehavetwoeyesbutonenoseto1therearetoiletsintheheaven.They2mefromeatingafullmealorgettingafull3sleep.Yet,theotherday,whenItookmykidstoachildren’smuseum,Ibeganto4whatpeopleweretryingtotellme.Itwasthe5timewehadgonetherewithoutdiaper(纸尿片)bag,babybottleorstroller(小推车).As1watchedmysonspaintthere,Iwassuddenly6byawaveof7Mybabiesweren’tbabiesanymore.NowI’mpayingmoreattentiontothe________thatwon’thappenwhenmykidsare________I'menjoyingtheminutewhenChristlookeduptheskyandcried8“Wow!Themoon!”Inafew9,itwilltakearareShrekcardorsomethingelsetogethimthatexcited.I’m10themomentwhenNicholasputdownhisforkatdinnerandasked,“Mommy,howareyoudoing?’’Abouttenyearsfromnow,he11notcareaboutme.Whenthey’reinprimaryschool,theywon’twanttoholdmy________anymore.Injuniorhighschool,theywon’thugmeandsay,“Iloveyou,too.”Inhighschool,theywon’tevenwanttobe12togetherwithme.Pre13they’11bothbegone.AndI’11________throughthesupermarketandthepostofficealone,warningyoung14toenjoytheirkidswhiletheyarelittle.Hopethey’11listen.1、A.well B.humorous C.funny D.1ittle2、A.endless B.boring C.strange D.special3、A.how B.whether C.why D.when4、A.make B.turn C.take D.keep5、A.day’s B.time’s C.night’s D.bed’s6、A.realize B.admit C.remind D.admire7、A.very B.real C.first D.best8、A.hit B.thrown C.stuck D.moved9、A.happiness B.sadness C.1uck D.failure10、A.accident B.event C.scene D.moment11、A.younger B.older C.worse D.better12、A.excitedly B.disappointedly C.1ovely D.shyly13、A.days B.weeks C.months D.years14、A.measuring B.pleasing C.treasuring D.surprising15、A.might B.should C.must D.need16、A.hair B.hands C.bag D.basket17、A.seen B.talked C.carried D.treated18、A.quickly B.slowly C.soon D.more19、A.come B.go C.wander D.pass20、A.fathers B.mothers C.people D.1adies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)AUSteenagercriticized(批评)onsocialmediaforwearinga1.(tradition)Chinesedresstoherhighschoolprom(毕业舞会)defendedherdecisionandhaswonsupportfromnetizens(网民)inChina.KeziahDaum,18,2.highschoolseniorinUtah,facedastrongreactionfromthousandsonline,someofwhomaccusedherof“culturalappropriation(文化挪用)”aftershepostedfourprompicturesonTwitteronApril22thatfeaturedherwearingaqipao,abody-huggingone-pieceChinesedressfor3.(woman).“I4.(praise)bythemanypeoplefromChinawhohavebothreachedouttomeandhavepostedtosocialmediatheirviewpoints.Ithankthem5.themoralsupportregardingmydecision6.(wear)aqipao,”DaumtoldChinaDailyinanemailonTuesday.“I7.(sincere)thanktheoutpouringofsupportIhavereceivedfromthepeopleofChina.”Daumstoodbyherchoicetowearthedress,8.wasredandorangewithgold-and-blackembroidery(刺绣).ShesaidonTwitterthatshewillnottakedowntheoriginalpost.“Thedress9.(catch)myeyeatfirstbecauseof10.(it)beauty,”shesaid.“Iwasalsosohappytofindadresswithamodestneckline.ItisveryhardtofinddressesinAmericaforpromwhichcoverawomen’sneckline.”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(\)划掉。修改:在错的词下划一横线,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。Sometimesthere’snosomuchworkforyoutodealwithandyoufeltit’sbeyondyourabilitytofinishthem、Actually,youcantakemeasuretohelpyourselfout、Firstly,listallthetaskswhichmustbedoneanddecidewhichonerequiresimmediatelyattention、Secondly,dividetheworkintoseparatefrompartssoit’llbeeasierforyoutoseewhethereachpartisbeingaccomplishedasdesiring、Besides,assignalittleextratimeforeachtask,suchthattheworkwillbecarriedoutsystematically、Finally,you’llfindsenseofaccomplishmentwillreplacetheanxiousyoufeltatfirst、第二节书面表达(满分25分)29.(25分)高中生在成长的过程中会碰到一些烦恼。请你依据下表中所提供的信息,写一篇英文演讲稿,并作为学生代表在班会课上发言。词数1

温馨提示

  • 1. 本站所有资源如无特殊说明,都需要本地电脑安装OFFICE2007和PDF阅读器。图纸软件为CAD,CAXA,PROE,UG,SolidWorks等.压缩文件请下载最新的WinRAR软件解压。
  • 2. 本站的文档不包含任何第三方提供的附件图纸等,如果需要附件,请联系上传者。文件的所有权益归上传用户所有。
  • 3. 本站RAR压缩包中若带图纸,网页内容里面会有图纸预览,若没有图纸预览就没有图纸。
  • 4. 未经权益所有人同意不得将文件中的内容挪作商业或盈利用途。
  • 5. 人人文库网仅提供信息存储空间,仅对用户上传内容的表现方式做保护处理,对用户上传分享的文档内容本身不做任何修改或编辑,并不能对任何下载内容负责。
  • 6. 下载文件中如有侵权或不适当内容,请与我们联系,我们立即纠正。
  • 7. 本站不保证下载资源的准确性、安全性和完整性, 同时也不承担用户因使用这些下载资源对自己和他人造成任何形式的伤害或损失。

评论

0/150

提交评论