山東省濰坊市2024屆高三年級下冊二模試題 英語 含答案_第1頁
山東省濰坊市2024屆高三年級下冊二模試題 英語 含答案_第2頁
山東省濰坊市2024屆高三年級下冊二模試題 英語 含答案_第3頁
山東省濰坊市2024屆高三年級下冊二模試題 英語 含答案_第4頁
山東省濰坊市2024屆高三年級下冊二模試題 英語 含答案_第5頁
已閱讀5頁,還剩6頁未讀, 繼續(xù)免費(fèi)閱讀

下載本文檔

版權(quán)說明:本文檔由用戶提供并上傳,收益歸屬內(nèi)容提供方,若內(nèi)容存在侵權(quán),請進(jìn)行舉報(bào)或認(rèn)領(lǐng)

文檔簡介

濰坊市高考模擬考試

英語

2024.4

注意事項(xiàng):

1.答題前,考生務(wù)必將自己的姓名、座號、考號填寫在答題卡和試卷指定位置上。

2.回答選擇題時(shí),選出每小題答案后,用鉛筆把答題卡上對應(yīng)題目的答案標(biāo)號涂黑。如需改動,

用橡皮擦干凈后,再選涂其他答案標(biāo)號。回答非選擇題時(shí),將答案寫在答題卡上。寫在本試卷上無

效。

第一部分閱讀(共兩節(jié),滿分50分)

第一節(jié)(共15小題;每小題2.5分,滿分37.5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)。

A

Thebackpackyoutakecanmakeorbreakyourtripwhenyougotraveling.Herearethefourbest

travelbackpacksonthemarket.

AmazonBasics70L

It'smuchcheaperthanmanytravelbagsonthemarketanddoesnotsacrificeanyofthepracticaluses

orspacethatcomeswithmoreexpensivebags.Thebagmaynotbeasluxuryassomeofthemorehigh-end

bags,butitssimplestyleletsyoufocusonthemainthingyouneedtofocusonwhentraveling:the

moment.

EurohikeNepal65L

TheEurohikeBackpackisagreatchoicebecauseofhowadaptableitis.Besideshavingagreat

amountofstorage,itcomeswithaninternalsecuritypocket.Itweighsjust1.38kgasopposedtoother

backpacks,whichcanweighuptonearly2kg.Ifyou'regoingtogohikingwhenyoutravel,thenitis

perfect.

MountainWarehouseTor65L

First,itsbrandisoneofthemosttrustedintheindustry,soqualityisguaranteed.Second,the

backpack'sadjustablebackallowsyoutochangehowthebagfitsaccordingtoyourneeds.Availablein

bothblueandgreen,thisisagreatchoiceifyouwantabagthatyoucandependon.

OspreyEuropeFarpoint70L

Ospreyisoneofthebestbrandsforbackpacks.Itsframe(框架)suspension,whichcanbeadjustedto

differentneeds,allowsyoutotravelmorecomfortably.Whetheryou'revisitingSwitzerlandinathick,wool

coatorthesouthofFranceinshortsandaT-shirt,thebagwillmatchyourlook.Thisbagdoessayitis

marketedformen,but,ofcourse,itcanbeunisex.

1.WhatisthesellingpointoftheAmazonBasics?

A.Itsluxurystyle.B.Itsfashionabledesign.

C.Itshugespaceforuse.D.Itsgoodvalueformoney.

2.WhatdoMountainWarehouseTor65LandOspreyEuropeFarpoint70Lhaveincommon?

A.Theyarerichincolor.

B.Theyhavethesamecapacity.

C.Theycanbeadjustedasneeded.

D.Theyaretargetedformalecustomers.

3.Whichwillyouchooseifanti-theftfunctionisaconcern?

A.AmazonBasics70L.B.EurohikeNepal65L.

C.MountainWarehouseTor65L,D.OspreyEuropeFarpoint70L.

B

Atjustsevenyearsold,AngelinaTsuboidiscoveredherpassionforinnovation.Itallbeganwitha

simplegamesheprogrammedinherLosAngelespublicschooFsGrade2class.Today,at18,theGrade12

studentsinitialcuriosityhasevolvedintoadeep-seateddesiretousetechnologytodecode(解碼)real-world

problems.

In2021,sheco-developedMegaphone,oneofherfirstapps,totackleunansweredpost-class

questionsandpoorcommunicationabouteventsandannouncements.Herproblem-solvingabilitykept

buildingfromthere.

WhenshetookonlineCPRclassesatthestartofthepandemic,shefigureditcouldn'tbejustherwho

wasstrugglingwiththesteps.SoshecreatedanappcalledCPRBuddy-awinnerinthe2022AppleSwift

Challenge-whichguidesusersthroughCPRusingvibrations(震動)toregulatebreath.Afterwinningthe

award,AngelinapresentedherworktoAppleCEOTimCook,ahighlightinheryoungcareer,butoneshe

didn'tlosehercoolover.uThere'snopointputtingpeopleonapedestal(神壇),“shesays.

Thenextyear,AngelinabuiltanappcalledLilac,designedtoassistnonEnglish-speakingsingle

parentswithresourcesforhousing,jobopportunitiesandtranslationsupport.Shewasinspiredbyherown

experiencesasachildofasinglemotherwhoimmigratedtotheUS.

WhenAngelinadecidedtopursuepilottrainingattheageof16,shewasstruckbyhowdifficultitwas

tofindfinancialsupport,whichencouragedhertocreateyetanotherapp,PilotFastTrack,whichhelps

thoselongingtobepilotsfindscholarshipsforflighttraining.

Lookingtothefuture,besidesapplyingtocollegeswithgreatlabs,Angelinaisexploringthefieldof

aerospacecybersecurityandmechatronics-combiningcomputerscience,electricalengineeringand

mechanicalengineering.

“There'snotenoughoptimismintheworld,"shesays."Ihavealsobeeninsituationsinmylife

wherePvelostalotofhope.Butintheend,itisamindset,andtherearewaysinanysituationyou*reinto

makeitsomewhatbetter/*

4.WhatisAngelina'spursuit?

A.Todesigngamesforkids.

B.Tostimulateteen'scuriosity.

C.Toaddressproblemsthroughtechnology.

D.Tofindinnovativeapproachestodigitalchallenges.

5.WhatcanwelearnaboutAngelinafromParagraph3?

A.Shecouldn'tbreatheregularly.B.Shewasinspiredbycelebrities.

C.ShereplacedCPRwithanapp.D.Shewashumbleabouthersuccess.

6.WhatwastheprimarygoalofdevelopingPilotFastTrack?

A.Todirectpilots*careerpaths.

B.Tohelpto-bepilotsfindfunds.

C.Topairfuturepilotswithairlines.

D.Toevaluatepilottrainingschools.

7.Whatmightbethebesttitle?

A.BreakingthecodeB.Bearinggrowingpains

C.FacinglifeasitisD.Followingrolemodels

C

SomepeopletodaymightbeearlyrisersbecauseofDNAtheytakeafterNeanderthalstensof

thousandsofyearsago,suggestsnewresearch.

WhenearlyhumansmigratedfromAfricatoEurasiaroughly70,000yearsago,someofthemmated

withNeanderthals,whohadalreadyadaptedtothecolder,darkerclimatesofthenorth.Theripple(漣漪)

effectsofthatintermatingstillexisttoday:Modernhumansofnon-Africanancestry(血統(tǒng))havebetween1

and4percentNeanderthalDNA.SomeofthatDNArelatestosleepmorespecifically,theinternalbody

clockknownasthecircadianrhythm.

Forthenewstudy,researcherscomparedDNAfromtoday'shumansandDNAfromNeanderthal

fossils(化石).Inbothgroups,theyfoundsomeofthesamegeneticvariantsinvolvedwiththecircadian

rhythm.Andtheyfoundthatmodernhumanswhocarrythesevariantsalsoreportedbeingearlyrisers.

ForNeanderthals,being“morningpeople“mightnothavebeentherealbenefitofcarryingthese

genes.Instead,scientistssuggest,Neanderthals9DNAgavethemfaster,moreflexibleinternalbodyclocks,

whichallowedthemtoadjustmoreeasilytoannualchangesindaylight.Thisconnectionmakessensein

thecontextofhumanhistory.WhenearlyhumansmovednorthoutofAfrica,theywouldhaveexperienced

variabledaylighthours—shorterdaysinthewinterandlongerdaysinthesummer-forthefirsttime.The

Neanderthals*circadianrhythmgeneslikelyhelpedearlyhumans'offspring(后代)adapttothisnew

environment.

Notably,thefindingsdonotprovethatNeanderthalgenesareresponsibleforthesleephabitsofall

earlyrisers.Lotsofdifferentfactorsbeyondgeneticscancontribute,includingsocialandenvironmental

influences.ThestudyalsoonlyincludedDNAfromadatabasecalledtheU.K.Biobank-sothefindings

maynotnecessarilyapplytoallmodernhumans.Next,theresearchteamhopestostudyothergenetic

databasestoseeifthesamelinkholdstrueforpeopleofotherancestries.Ifthefindingsdoapplymore

broadly,theymayonedaybeusefulforimprovingsleepinthemodemworld,wherecircadianrhythmsare

disturbedbynightshiftsandglowingsmartphones.

8.Whatdoesthenewresearchfocuson?

A.DNA'sdramaticchanges.

B.Genes9influenceonearlyrisers.

C.Neanderthals5sleepingpatterns.

D.Ancestors9environmentaladaptability.

9.Whatisparagraph2intendedtoshowconcerningthenewresearch?

A.Historicalcontext.B.Additionalproof.

C.Sampleanalysis.D.Studyingprocess.

10.WhatistherealbenefitofcarryingNeanderthaFsDNAformodernhumans?

A.Gettingupearlier.B.Havinghealthierdailyroutines.

C.Beingmoreflexibleintheirwork.D.Possessingabettercircadianrhythm.

11.Whatcanbeinferredaboutthefindingsfromthelastparagraph?

A.Theygetprooffromotherstudies.

B.Theyareconfirmedbyearlyrisers.

C.Theysuggestpotentialapplications.

D.Theyrevealfactorsinsleepingdisorders.

D

IhadtosaysomethingafterreadingTheAnxiousGeneration.Itisgoingtosellwell,because

JonathanHaidtistellingascarystoryaboutchildren'sdevelopmentmanyparentsareledtobelieve.

However,thebook'srepeatedsuggestionthatdigitaltechnologiesarerewiringourchildren'sbrainsand

causingtheepidemic(流行病)ofmentalillnessisunsupportedbyscience.Worse,therudeproposalthat

socialmediaistoblamemightdistract(分心)usfromeffectivelyrespondingtotherealcausesofthe

currentmental-healthcrisisinyoungpeople.

ResearchershavesearchedfortheeffectssuggestedbyHaidt.Oureffortshaveproducedamixofno,

smallandmixedassociations.Mostdataarecorrelative.Whenassociationsovertimearefound,they

suggestnotthatsocial-mediausepredictsorcausesdepression,butthatyoungpeoplewhoalreadyhave

mental-healthproblemsusesuchplatformsmoreoftenorindifferentwaysfromtheirhealthypeers.

Wearenotalonehere.Severalanalysesandsystematicreviewscentralizeonthesamemessage.An

analysisdonein72countriesshowsnoconsistentormeasurableassociationsbetweenwell-beingand

socialmediaglobally.Moreover,studiesfromsomeauthoritiesfindsnoevidenceofintensechanges

associatedwithdigital-technologyuse.

Asapsychologiststudyingchildren'sandadolescents5mentalhealth,Iappreciateparents?

frustration(沮喪)anddesireforsimpleanswers.Asaparentofadolescents,Iwouldalsoliketoidentifya

simplesourceforthepainthisgenerationisreporting.Thereare,however,nosimpleanswers.The

beginninganddevelopmentofmentaldisordersaredrivenbyacomplexsetofgeneticandenvironmental

factors.

Moreyoungpeoplearetalkingopenlyabouttheirmental-healthstrugglesthaneverbefore.But

insufficientservicesareavailabletoaddresstheirneeds.IntheUnitedStates,thereis,onaverage,one

schoolpsychologistforevery1,119students.Wehaveagenerationincrisisandindesperateneedofthe

bestofwhatscienceandevidence-basedsolutionscanoffer.Unfortunately,ourtimeisbeingspenttelling

storiesthatareunsupportedbyresearchandthatdolittletosupportyoungpeoplewhoneed,anddeserve,

more.

12.WhatispresentedinTheAnxiousGeneration?

A.Scarystoriesaffectchildren'sbrains.

B.Parentsareresponsibleforchildren'shealth.

C.Teen'smentalillnessresultsfromscreentime.

D.Theepidemicofmentalillnessisunavoidable.

13.Whatdoes“thesamemessage^underlinedinparagraph3referto?

A.Manycountriesdoresearchinmentalhealth.

B.Well-beingandsocialmediaarecloselyrelated.

C.Theyoungaretrappedinthemental-healthcrisis,

D.Socialmediadon'tnecessarilycausementalillness.

14.Whatisimpliedinthelastparagraph?

A.Effectiveactionsneedtobetaken.B.Positivestoriesshouldbeshared.

C.Financialsupportneedstobeprovided.D.Broaderresearchshouldbedone.

15.Whatistheauthor'spurposeinwritingthetext?

A.Tosuggestwaystohelpthoseinneed.

B.Toencourageparentstobravethecrisis.

C.Torecommendanewly-publishedbook.

D.Togiveavoicetochildren'smentalissues.

第二節(jié)(共5小題;每小題2.5分,滿分12.5分)

閱讀下面短文,從短文后的選項(xiàng)中選出可以填入空白處的最佳選項(xiàng)。選項(xiàng)中有兩項(xiàng)為多余選項(xiàng)。

Itwasdinnertime,yetIhadn'tfinishedmyworkfortheday.Cheerypeoplewhowereenjoyingtheir

holidaytimebuzzedaroundme.Butwithmyheaddownandheadphonesin,Ihadinteractedwithveryfew

ofthem.Thedaypassedmorelikeafast-forwardedvideothansomethingthatIactuallyfullyexperienced.

16

Thiswasmyfirstweeklivingthedigitalnomadlifestyle.Ihadleftmycorporateroleandfound

freelance(自由職業(yè)的)writingworkonlinetoaffordmethefreedomtotravel.17Withenthusiasm,I

expectedmyattitudewouldalsochange.Instead,thefirstsurprisingrealizationofmytraveljourneyhadhit:

despitechangingmyformalsuitstocasuals,IwastheexactsamepersonIhadbeenathome.

Ihadpreparedexcitedly,surfingonlineaboutdigitalnomadism.18Whileyoumightexpect

financestobethebiggestkillerofthislifestyle,unrealisticexpectationsarethedeathblowthatIhearabout

mostoften.Aftersixyearsabroad,realismisnowtheprimarymessageIshare.

19Insteadofanofficeroom,you'llworkfromabalconyoverlookingtheMediterraneanorasunny

rooftopintheheartofMarrakesh.Insteadofwaitingatthecoffeemachinenexttocomplainingcolleagues,

yourdailycoffeerunwillleadyoudowndustycobblestonestreetsintotinycafes.Thesedreamsexistand

arewaitingforyouonceyouclearcustoms.

Butthat'snotallthat'swaitingfornewdigitalnomads.20At-homelifeandlifeontheroadcan

attimesfeelshockinglysimilar,or,ifbadworkhabitstakeover,evenworse.It'sanimportantexpectation

tounderstandbeforeyousetoutonyourdigitalnomadlifestyle:yoursurroundingswillchange,butyou

takeyoueverywherethatyougo.Nomatterhowultra-lightyoupack.

A.Andmysurroundingslookeddifferent.

B.Butthiswasn*tatatiringnine-to-fiveofficejob.

C.ThiswasatypicaldaybackinmyofficeImanagedtoescape.

D.Newsurroundingsmayalsomakeyoufullyengagedinyourwork.

E.Shouldyouchoosetobecomeadigitalnomad,yourenvironmentwillchange.

F.You'llstillwakeupwithemailsinyourinboxandto-dosbeggingtobehandled.

G.YetsomehowIunknowinglyover-consumedexpectationandunder-consumedrealism.

第二部分語言運(yùn)用(共兩節(jié),滿分30分)

第一節(jié)供15小題海小題1分,滿分15分)

閱讀下面短文,從每題所給的A、B、C、D四個(gè)選項(xiàng)中選出可以填入空白處的最佳選項(xiàng)。

Ihadneverpickedupacamerabeforemyfreshmanyearin2012,whenmyjourneytoanartistbegan.

Forfouryears,I21G-StarSchoolofTheArts,wheremy22forphotographyandfilmmakingwere

awaken.

Havingseenmyfirstshortfilm,myteachercameover,saying:"Yougotagood23.Whynot

considerdoingthisasyourprofession.Ithinkyou'vegota24init".Then,itclicked.I,therefore,25

mybankaccountandboughtmyfirstcamera.

Sincethen,Iwasamazedbythe26theworldhastooffer.Ihaveto27,though:I,shyand

chicken-hearted,tendedtocapturenature-relatedscenes,28anythingtodowithpeople.

AsIwas29myway,Istartedphotographingmyself,theonlyoneIfelt30with.Thecamera

soonbecamemystrongest31,servingasthetoolforhowIexpressedmyself.Gradually,Igained

enough32tostarttakingphotosofotherpeople,greatlytouchedbyhowIwasableto33thebest

inthemthroughthelens(鏡頭).

Eachyear,IwouldlookbackonalloftheshotsIdidthatyearandwould34themtothefirstoneI

evertookinmycareer.Althoughtheprogressseemedsubstantial,Irealizedthekeytogrowthasanartistis

toneverbe35.Thisallowsmetocreateprogressivelybetterworkyearafteryear.

21.A.designedB.attendedC.assessedD.arranged

22.A.dutiesB.requestsC.passionsD.needs

23.A.heartB.handC.eyeD.nerve

24.A.futureB.memoryC.scheduleD.certificate

25.A.openedB.closedC.monitoredD.emptied

26.A.beautyB.soundC.lessonD.chance

27.A.admitB.judgeC.concludeD.negotiate

28.A.envyingB.avoidingC.prioritizingD.recording

29.A.windingB.losingC.shootingD.clearing

3O.A.familiarB.comfortableC.generousD.patient

31.A.resolveB.voiceC.shoulderD.vision

32.A.knowledgeB.integrityC.confidenceD.insight

33.A.bringoutB.commentonC.callforD.takeove

34.A.referB.relateC.applyD.compare

35.A.self-consciousB.self-reliantC.self-centeredD.self-content

第二節(jié)(共10小題;每小題1.5分,滿分15分)

閱讀下面短文,在空白處填入1個(gè)適當(dāng)?shù)膯卧~或括號內(nèi)單詞的正確形式。

“ColdtheironchainsspanningovertheDaduRiver,"ChairmanMaoZedongwroteinapoem,

describingthedo-or-diebattlewhichtookplaceontheLudingBridge.TheBridge,36(measure)

103.67metersinlengthand3metersinwidth,islocatedinSichuanProvince,whichwas37

(original)builtin1705duringtheQingDynasty.NeartheLudingBridgeconsideredahistoricallandmark

38(stand)amuseum,infrontofwhichthereisabronzestatueofthesoldierswhosespiritmakesthe

bridgeahouseholdname.

Over80yearsago,thebridgewascrucialtothesurvivaloftheCPC-ledRedArmyduringtheLong

MarchbecauseifthesoldiershadfailedtodashthroughtheLudingBridgethen,theRedArmymighthave

beenwipedout.Upontheir39(arrive),theRedArmyfoundonlythirteenheavyironchains40

(leave)acrosstheriver.Withnotimetowaste,onebyonetheRedsoldiersventuredforwardtorisktheir

livesandofthosewhooffered41(they),thirtywerechosen.Thoughseveralsoldiersfellinto42

fast-flowingriver,theotherscrawledalongthewoodboardstheyhadlaiduntiltheyfinallytookcontrolof

theeastbank.

Probablyneverbeforehadpeopleseenfighterslikethese-menforwhomsoldieringwasnotjustarice

bowl,43amission.Theyastonishinglyaccomplished44seemedlikeataskimpossibleandtheir45

(courage)spiritwillalwaysstickinourmind.

第三部分寫作(共兩節(jié),滿分40分)

第一節(jié)(滿分15分)

你校與國外友好學(xué)校擬舉行以“FarmingonCampus”為主題的線上交流會,作為項(xiàng)目負(fù)責(zé)人,你被

邀請介紹你班菜地的種植方案。請你寫一篇陳述稿,內(nèi)容包括:

1.你的方案;

2.設(shè)計(jì)理由。

注意:

1.寫作詞數(shù)應(yīng)為80個(gè)左右:

2.請按如下格式在答題紙的相應(yīng)位置作答。

Hi,everyone!

Thankyouforyourattention.

第二節(jié)(滿分25分)

閱讀下面材料,根據(jù)其內(nèi)容和所給段落開頭語續(xù)寫兩段,使之構(gòu)成一篇完整的短文。

JackwasnewtoWoodberryForestSchoolthisyear.Hecarriedasecretburden:astutter(口吃)that

oftenbroughtaboutlaughterfromhisclassmates.Thismadehimveryupset.Shyandreserved.Jackchose

tofadeintothebackgroundratherthandrawattentiontohimself.Hefeltlikeanoutsider,neverquitefitting

in.

Jackwaseagertoexchangeideaswithhisclassmates,butafraidofgettingintotrouble.Jack'sscience

teacher,Katherine,awarmandcaringwomanoftenwearingasmile,noticedJack'sstutterandshyness.She

observedhowJackstruggledtoexpresshimselfinclassandhowhewouldshyawaywhencalleduponto

speak.

Determinedtolendahand,KatherinetookJackunderherwing,encouraginghimtoembracebravery

andbelieveinhisownabilities.Subsequently,Katherineadoptedasetofsystematicmethodstohelphim.

Shewasgladtofindthepotentialinhim,theintelligenceandcreativitythatlayhiddenbeneathhisstutter.

Wheneverpossible,Katherinewasalwaysreadytopraisehisefforts,alwaysdeclaring,nYouaresogreat!”

WheneverJackstumbledoverhiswords,Katherinealwayssmiledathimencouragingly,providinghim

withthestrengthtocontinue.Daybyday,Jackfoundhimselfspeakingwithgreaterconfidenceand

fluency.

Oneday,Katherineannouncedthateachstudentshouldgiveapresentationofascienceprojectin

frontoftheclass.Jack'sheartsank,thefamiliarfearandanxietywrappingaroundhim.Howcouldhe

possiblystandbeforehisclassmatestogivehisideasclearly,knowingthattheywouldlaughathim?Asthe

presentationdrewnear,Jack'sanxietymounted.Thencamethebigday.Hewatchedhisclassmatestake

turnstowalkuptothefront.Theygavetheirpresentationwithconfidenceandbackedtotheirseatswith

satisfaction.However,whileJackwaswaitingforhisturn,hisheartbeatsoviolentlythathefeltasifhe

weresittingonpinsandneedles.

注意:

1.續(xù)寫詞數(shù)應(yīng)為150個(gè)左右;

2.請按如下格式在答題卡的相應(yīng)位置作答。

Itwasfinallyhisturn.

WhenJackfinishedhispresentation,theroomeruptedintoapplause.

答案

第一部分閱讀(共兩節(jié),滿分50分)

1-5DCBCD6-10

溫馨提示

  • 1. 本站所有資源如無特殊說明,都需要本地電腦安裝OFFICE2007和PDF閱讀器。圖紙軟件為CAD,CAXA,PROE,UG,SolidWorks等.壓縮文件請下載最新的WinRAR軟件解壓。
  • 2. 本站的文檔不包含任何第三方提供的附件圖紙等,如果需要附件,請聯(lián)系上傳者。文件的所有權(quán)益歸上傳用戶所有。
  • 3. 本站RAR壓縮包中若帶圖紙,網(wǎng)頁內(nèi)容里面會有圖紙預(yù)覽,若沒有圖紙預(yù)覽就沒有圖紙。
  • 4. 未經(jīng)權(quán)益所有人同意不得將文件中的內(nèi)容挪作商業(yè)或盈利用途。
  • 5. 人人文庫網(wǎng)僅提供信息存儲空間,僅對用戶上傳內(nèi)容的表現(xiàn)方式做保護(hù)處理,對用戶上傳分享的文檔內(nèi)容本身不做任何修改或編輯,并不能對任何下載內(nèi)容負(fù)責(zé)。
  • 6. 下載文件中如有侵權(quán)或不適當(dāng)內(nèi)容,請與我們聯(lián)系,我們立即糾正。
  • 7. 本站不保證下載資源的準(zhǔn)確性、安全性和完整性, 同時(shí)也不承擔(dān)用戶因使用這些下載資源對自己和他人造成任何形式的傷害或損失。

評論

0/150

提交評論