北京市懷柔區(qū)市級名校新高考英語二模試卷及答案解析_第1頁
北京市懷柔區(qū)市級名校新高考英語二模試卷及答案解析_第2頁
北京市懷柔區(qū)市級名校新高考英語二模試卷及答案解析_第3頁
北京市懷柔區(qū)市級名校新高考英語二模試卷及答案解析_第4頁
北京市懷柔區(qū)市級名校新高考英語二模試卷及答案解析_第5頁
已閱讀5頁,還剩9頁未讀, 繼續(xù)免費閱讀

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)行舉報或認(rèn)領(lǐng)

文檔簡介

北京市懷柔區(qū)市級名校新高考英語二模試卷考生須知:1.全卷分選擇題和非選擇題兩部分,全部在答題紙上作答。選擇題必須用2B鉛筆填涂;非選擇題的答案必須用黑色字跡的鋼筆或答字筆寫在“答題紙”相應(yīng)位置上。2.請用黑色字跡的鋼筆或答字筆在“答題紙”上先填寫姓名和準(zhǔn)考證號。3.保持卡面清潔,不要折疊,不要弄破、弄皺,在草稿紙、試題卷上答題無效。第一部分(共20小題,每小題1.5分,滿分30分)1.Ifweusethenewrecyclingmethod,alargenumberoftrees.A.a(chǎn)resaved B.willsave C.willbesaved D.havesaved2.—Sorry,sir.I______followyou.Wouldyoupleasespeakslower?—Ok.A.can’t B.mustn’t C.shouldn’t D.needn’t3.—Whatabouttheprotectionofthesenewmachines?—Let’skeepthesurface________dustbyputtingacoveroverthem.A.farfromB.a(chǎn)partfromC.freefromD.a(chǎn)wayfrom4.Sincewecandonothingaboutit,we_________aswellconsultMr.Smithaboutthematter.A.can B.mustC.need D.may5.—Iwillbeavicepresidentinayearortwo.—Youcan’tbeserious!_______.A.Ican’tmakeitB.Ican’thelpitC.Iwon’ttellasoulD.Iwouldn’tbetonit6.—Whatdoyouthinkofthemovielastnight?—WhenIgotthereit_______,soIonlywatchedtheend.A.finished B.hadfinishedC.wasfinishing D.hasfinished7.We

need

aspiritualfaith,oraphilosophy,itshould

include

thistruth:ifyouchoosetofindthe

positive

ineverysituation,youwillbeblessed,andifyouchoosetofindtheawful,youwillbecursed.Aswithhappinessitself,thisis

________yourdecisiontomake.A.a(chǎn)bsolutelyB.totallyC.exactlyD.largely8.I'msorryyou______solong,butit'llstillbesometimebeforeJimgetsback.A.wait B.waited C.hadwaited D.havebeenwaiting9.—Ihavenoideawhatmadethestudentssoexcitedandcrazy.—______ithavebeentheirteam’svictoryinthefinals?A.Must B.CouldC.Would D.Should10.Shesaidher________isenoughtosupportherinlateryearsandthatheronlyhopeisthathersoncanvisitregularly.Afterallshehadnotmuchtimeleft.A.pension B.benefit C.a(chǎn)llowance D.bonus11.Theroom______10metresacrossislargeenoughforasinglemantolivein.A.measuring B.measures C.tobemeasured D.measured12.——Yourargumentis.Iwillnotletyoupass.--Areyoukidding?A.sound B.rationalC.liberal D.plain13.Jane’spalefacesuggestedthatshe______illandherparentssuggestedthatshe______amedicalexam.A.be;shouldhave B.was;haveC.shouldbe;had D.was;had14.Passengers_____talktothedriverwhilethebusismoving,becauseitwilltakehisfocusofftheroad.A.wouldnot B.mustnotC.maynot D.neednot15.Isitheoryou________inchargeofthejobandsupposedtocompleteitpunctually?A.whois B.thatisC.whoare D.whomare16.Itwasinthatsmallhouse________wasbuiltwithstonesbyhisfather________hespenthischildhood.A.that;where B.which;thatC.which;which D.that;which17.—Penny’sbabydaughternarrowlyescapeddrinkingthefurniturepolishonthecoffeetable.—Luckilyforher.She________sickorevendied.A.couldhavegot B.shouldhavegotC.musthavegot D.willhavegot18.Newideassometimeshavetowaitforyearsbefore_____.A.beingfullyacceptingB.fullyacceptingC.havingfullyacceptedD.fullyaccepted19.John______anNBAplayoffgameonTVnow.A.watchesB.watchedC.willwatchD.iswatching20.—HowmuchdoyouchargefortheiPhone?—Well,itcostme$400,butI’ll________20%asit’snolongernew.A.reducetoB.decreasetoC.knockoffD.cutoff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四個選項中,選出最佳選項。21.(6分)Somepeoplethinkthatsuccessisonlyforthosewithtalentorthosewhogrowupintherightfamily,andothersbelievethatsuccessmostlycomesdowntoluck.I’mnotgoingtosayluck,talent,andcircumstancesdon’tcomeintoplaybecausetheydo.Somepeoplearebornintotherightfamilywhileothersarebornwithgreatintelligence,andthat’sjusttherealityofhowlifeis.However,tosucceedinlife,onefirstneedstosetagoalandthengraduallymakeitmorepractical.And,inadditiontothat,inordertogetreallygoodatsomething,oneneedstospendatleast10,000hoursstudyingandpracticing.Tobecomegreatatcertainthings,it’llrequireevenmoretime,timethatmostpeoplewon’tputin.Thisisabigreasonwhymanysuccessfulpeopleadviseyoutodosomethingyoulove.Ifyoudon’tenjoywhatyoudo,itisgoingtofeellikeunbearablepainandwilllikelymakeyougiveupwellbeforeyoueverbecomegoodatit.Whenyouseepeopleexhibitingsomegreatskillsorhavingachievedgreatsuccess,youknowthattheyhaveputinahugepartoftheirlifetogetthereatahugecost.It’ssometimeseasytothinktheygotluckyortheywerebornwithsomeraretalent,butthinkingthatwaydoesyounogood,andthere’sahugechancethatyou’rewronganyway.Whateveryoudo,ifyouwanttobecomegreatatit,youneedtoworkdayinanddayout,almosttothepointofaddiction,andoveralongperiodoftime.Ifyou’renotwillingtoputinthetimeandwork,don’texpecttoreceiveanyprize.Consistent,hardworkwon’tguaranteeyouthelevelofsuccessyoumaywant,butitwillguaranteethatyouwillbecomereallygoodatwhateveritisyouputallthatworkinto.1、Paragraph1mainlytalksabout________.A.thereasonsforsuccess B.thestandardsofsuccessC.theimportanceofsuccess D.whatpeoplethinksuccessis2、Successfulpeoplesuggestdoingwhatonelovesbecause________.A.workmakesonefeelpain B.onetendstoenjoyhisworkC.ittakesalotoftimetosucceed D.onegivesuphisworkeasily3、WhatcanweinferfromParagraph4?A.Successfulpeopleliketoshowtheirgreatskills.B.Peopleneedtoachievesuccessatthecostoflife.C.Peoplesometimessucceedwithoutluckortalent.D.Ithelpstothinkthatluckortalentleadstosuccess.4、Whatisthemainthemeofthepassage?A.Luck,talentandfamilyhelptoachievesuccess.B.Onecannotsucceedwithouttimeandpractice.C.Havingagoalisveryimportanttosuccess.D.Beinggoodisdifferentfrombeinggreat.22.(8分)GuidetoStockholmUniversityLibraryOurlibraryoffersdifferenttypesofstudyingplacesandprovidesagoodstudyingenvironment.ZonesThelibraryisdividedintodifferentzones.Theupperfloorisaquietzonewithoverathousandplacesforsilentreading,andplaceswhereyoucansitandworkwithyourowncomputer.Thereadingplacesconsistmostlyoftablesandchairs.Thegroundflooristhezonewhereyoucantalk.Hereyoucanfindsofasandarmchairsforgroupwork.ComputersYoucanuseyourowncomputertoconnecttothewi-fispeciallypreparedfornotebookcomputers;youcanalsouselibrarycomputers,whichcontainthemostcommonlyusedapplications,suchasMicrosoftOffice.TheyaresituatedintheareaknownastheExperimentalFieldonthegroundfloor.Group-studyplacesIfyouwanttodiscussfreelywithoutdisturbingothers,youcanbookastudyroomorsitatatableonthegroundfloor.Somestudyroomsarefor2~3peopleandotherscanholdupto6~8people.Allroomsaremarkedonthelibrarymaps.Thereare40group-studyroomsthatmustbebookedviathewebsite.Tobook,youneedanactiveUniversityaccountandavalidUniversitycard.Youcanusearoomthreehoursperday,ninehoursatmostperweek.StorageofStudyMaterialThelibraryhaslockersforstudentstostorecourseliterature.Whenyouhaveobtainedatleast40credits,youmayrentalockerandpay400SEKforayear’srentalperiod.RulestobeFollowedMobilephoneconversationsarenotpermittedanywhereinthelibrary.Keepyourphoneonsilentasifyouwereinalectureandexitthelibraryifyouneedtoreceivecalls.Pleasenotethatfoodandfruitareforbiddeninthelibrary,butyouareallowedtohavedrinksandsweetswithyou.1、Whatisthelibrary’supperfloormainlyforstudentstodo?A.Readinaquietplace. B.Havegroupdiscussions.C.Takecomfortableseats. D.Gettheircomputersfixed.2、Whatconditionshouldbemettobookagroup-studyroom?A.Agroupmustconsistof8people. B.Three-houruseperdayistheminimum.C.Oneshouldfirstregisterattheuniversity. D.Applicantsmustmarktheroomonthemap.3、Astudentcanrentalockerinthelibraryifhe________.A.canaffordtherentalfee B.a(chǎn)ttendscertaincoursesC.hasnowheretoputhisbooks D.hasearnedtherequiredcredits23.(8分)Nexttimeyougoshopping,keepinmindthattheremaybehiddencamerasanalyzingyourhabits.Accordingtoa2015surveyof150managersfromComputerServicesCorporation,aquarterofBritishshopsusefacialrecognitionsoftwaretocollectdataonshopperbehavior.Withconcernsthatface-recognitioncameras“arekindofinvasive(冒犯的)”,BritishanalysisfirmHoxtonAnalyticshascomeupwithanewwayofmeasuringfootfall(客流)—byfilmingpeople'sshoes.Thetechnologycancollectalargeamountofpersonalinformation."Wehavecamerasat50cmoffthegroundandtheypointdownsotheyarelessinvasivethanfacialrecognition,"DuncanMann,Hoxton'sofficersaid.Asmoderncitiesgetfuller—70percentofthepopulationwillliveinurbanareasby2050—camerasandothertechnologiesaretakingoverpublicspacesandcollectingourdata.Theirpurposeistokeeppeoplesafe,provideefficientservicesandpreventdisastersandcrimes.Butsomearenothappywiththecamerasasfarastheirprivacy(隱私)isconcerned."Veryfewofushaveanyrealconceptofwhatdatasmartcitiesaregathering,"saidRenateSamson.Webegingivingawaydataassoonaswewakeup.Whenweenterthetransportsystem,wearegivingawayevenmoredetailsaboutourselvesthroughsmartcards,mobilephonesorcreditcards.NickMillman,directorataconsultingfirmthinksstatisticsarethekeytotheprivacyconcern.HeusedtheexampleofGoogleMaps,whichistomonitortheflowoftrafficinStockholm.Heexplained,"Itisbasicallyaddingprivacycontrolstostatisticssothatyouonlyseethedatayouneedtoknowabout".Inthiscase,Googlegetsenoughdatatoimprovetrafficbutnotsomuchthatitshowsindividualjourneypatterns.1、Whatisthearticlemainlyabout?A.Anintroductiontocollectingshoppers'data.B.Theconcernsaboutgivingawaypersonaldata.C.Theproblemscausedbyimbalanceddistributionofpopulation.D.Aninventionrecordingandcollectingcustomers'information.2、ThenewtechnologyinventedbyHoxtonAnalytics_______.A.cangatheralotofpeople'spersonaldatafromtheirshoesB.usescamerasfittedonthegroundtocollectcustomers'dataC.hasimprovedtheaccuracyoffacialrecognitionsoftwareD.offersaperfectsolutiontocustomers'privacyconcerns3、Accordingtotheauthor,camerasinmoderncities_______.A.causeahugewasteofpublicspaceB.helpreducethesizeofpopulationinurbanareasC.a(chǎn)relikelytohelpimprovetrafficconditionsD.a(chǎn)retoavoidcrimesanddisastersandprovideefficientservices4、WhatisRenateSamson'sattitudetowardtheriseofsmartcities?A.Worried.B.Optimistic.C.Confused.D.Uninterested.24.(8分)UberUberisavailableinover70citiesthroughout40countriesworldwide.YoucaneitherchooseatypicalUberunmarkedcaroraregulartaxi.Theappcanshowyouwheredriversare,soyouknowhowlongyou’llbewaiting.Youcanalsogetfarequotes(報價)inadvance.Yourpaymentsourceislinkedtotheappandisautomaticallycharged,sonophysicalmoneyiseverneeded.LyftLyftisaservicethatisalsoavailableinmanylargecitiesintheUS.However,itofferssomethingdifferent,oneofwhichisLyftLine.Withthisservice,youcanfindpeoplethattakethesamerouteonadailybasisasyouandsplitthefarewiththem.Lyft’sregularserviceletsyoueasilyseewhereridesare,catchone,andeasilypayrightwithintheapp.EasyTaxiEasyTaxiisavailablein86citiesacross26countriesandletsyouquicklybrowsethroughmapsandfindlocationsyou’dliketobepickedupat.Fromthere,justmakesuretherearetaxisinyourarea.ConfirmyourrideandthenpayforitwithintheEasyTaxiapp.Onceyoubookaride,youshouldseethetaxi’splatenumberandphonenumberappearonthemap,makingiteasyforyoutopickoutboththecarandthedriver.CurbCurb,formerlyTaxiMagic,iscurrentlyavailableinaround60citiesacrosstheUnitedStatesaswellasselectcitiesintheUnitedKingdom,Canada,andMexico.Ittiesinwithtaxicompaniesandtheirdrivers.Asyourtaximakesitswaytoyourlocation,you’llbeabletotrackitsprogressinsidetheapp.YoucanlinkapaymentaccounttoCurbtopayyourfarethroughtheapp.Youcanalsopayincash.1、Whichappisavailableinthemostcountries?A.Uber.B.Lyft.C.EasyTaxi.D.Curb.2、What’sthespecialserviceofLyft?A.Youcanpaythefareincash.B.Youcanseewhereyourrideis.C.Youcangetfarequotesinadvance.D.Youcanfindsomeonetosharethefare.3、Whatdothefourappshaveincommon?A.Theyareavailableworldwide.B.Theyaretiedtotaxicompanies.C.Theyallowuserstopayviaapp.D.Theycanidentifyyourlocation25.(10分)Iwasneververyneat,whilemyroommateKatewasextremelyorganized.Eachofherobjectshaditsplace,butminealwayshidsomewhere.Sheevenlabeled(貼標(biāo)簽)everything.Ialwayslookedforeverything.Overtime,KategotneaterandIgotmessier.Shewouldpushmydirtyclothingover,andIwouldlaymybooksonhertidydesk.Webothgottiredofeachother.Warbrokeoutoneevening.Katecameintotheroom.Soon,Iheardherscreaming,“Takeyourshoesaway!Whyundermybed!”Deafened,Isawmyshoesflyingatme.Ijumpedtomyfeetandstartedyelling.Sheyelledbacklouder.Theroomwasfilledwithanger.Wecouldnothavestayedtogetherforasingleminutebutforaphonecall.Kateansweredit.Fromherendoftheconversation,Icouldtellrightawayhergrandmawasseriouslyill.Whenshehungup,shequicklycrawledunderhercovers,sobbing.Obviously,thatwassomethingsheshouldnotgothroughphone.Allofasudden,awarmfeelingofsympathyroseupinmyheart.Slowly,Icollectedthepencils,tookbackthebooks,mademybed,cleanedthesocksandsweptthefloor,evenonherside.IgotsointomyworkthatIevendidn'tnoticeKatehadsatup.Shewaswatching,hertearsdriedandherexpressiononeofdisbelief.Then,shereachedoutherhandstograspmine.Ilookedupintohereyes.Shesmiledatme,“Thanks.”KateandIstayedroommatesfortherestoftheyear.Wedidn'talwaysagree,butwelearnedthekeytolivingtogether:givingin,cleaningupandholdingon.1、WhatmadeKateangryoneevening?A.Shecouldn’tfindherbooks.B.Sheheardtheauthorshoutingloud.C.Shegotthenewsthathergrandmawasill.D.Shesawtheauthor'sshoesbeneathherbed.2、Theauthortidieduptheroommostprobablybecause_______.A.shehatedherselfforbeingsomessyB.shewasaskedbyKatetodosoC.shewasscaredbyKate’sangerD.shewantedtoshowhercare3、HowisParagraph1mainlydeveloped?A.Byanalyzingcauses.B.Bydescribingaprocess.C.Byshowingdifferences.D.Byfollowingtimeorder.4、Whatmightbethebesttitleforthestory?A.MyFriendKateB.HardWorkPaysOffC.HowtoBeOrganizedD.LearningtoBeRoommates第三部分語言知識運用(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四個選項中,選出可以填入空白處的最佳選項.26.(30分)閱讀下面短文,從短文后各題所給的A、B、C和D四個選項中,選出可以填入空白處的最佳選項。Oncetherewasamanagerwhowasasingleparenttohisthreedaughters.Onemorningheaskedhisoldestdaughter,Sonia,to1thebreakfastdishesbeforegoingtoschool.Not2thatshewasalreadyrunninglateandfacingpunishment,hewasastonishedbyher3.Sheburstintotears.Again,assumingthatshewas4tryingtogetoutofanunpleasanthousehold5,hedemandedthatshedryhertearsandgetbacktoworkimmediately.She6obeyedhim,butherangercouldbeclearlysensed.Thatmorninghedroveto7afterdroppingherdaughterwithoutexpressinghis8forher.Hetriedtoworkbutcouldn’t9;allhecouldseewashisdaughter’s10tearfulface.Themanbegantorealizethathistiminghadgonewrongandhebegantofeel11.Hecouldn’twaittillsuppertimeto12.Sohetookpermissionfromtheschooltotakehisdaughterfor13andsaid,“Sonia,Iamverysorry!Ihadnorightonaskingyouto14athomethismorningwithoutany15warning.Iupsetyouatatimewhenyoumostneededmyloveand16.AndIletyougowithoutsaying‘Iloveyou’.Iwaswrong.Please17me.”Soniaputher18aroundherfather’sneckandhuggedhimandsaid“Oh,Dad,ofcourseIforgiveyou.Iloveyoutoo.”The19oftheserestorative(促使康復(fù)的)words,“IamSorry!”issuchthatthey20relationships—betweenusandourfriends,betweenusandourlovedones,andbetweenusandGod.1、A.set B.buy C.do D.a(chǎn)rrange2、A.recognizing B.realizing C.telling D.explaining3、A.reaction B.a(chǎn)ppearance C.gesture D.words4、A.even B.ever C.indeed D.merely5、A.a(chǎn)ppointment B.duty C.decision D.talk6、A.hesitantly B.joyfully C.painfully D.unwillingly7、A.office B.school C.garage D.supermarket8、A.a(chǎn)mazement B.a(chǎn)greement C.love D.interest9、A.concentrate B.complete C.perform D.quit10、A.delighted B.satisfactory C.excited D.scared11、A.upset B.regretful C.disappointed D.honored12、A.comment B.depart C.choose D.a(chǎn)pologize13、A.breakfast B.lunch C.supper D.holiday14、A.dealwith B.tryout C.helpout D.takeon15、A.previous B.precious C.formal D.obvious16、A.support B.a(chǎn)nger C.impression D.promise17、A.tolerate B.punish C.forgive D.guide18、A.legs B.a(chǎn)rms C.hands D.ears19、A.secret B.use C.a(chǎn)dvantage D.power20、A.create B.break C.mend D.deepen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個適當(dāng)?shù)膯卧~或括號內(nèi)單詞的正確形式。27.(15分)YouthseemstobefadingawayinmyWe,onlyleavingmesomeunforgettable1.(memory).Thingsthatwebelievedwouldlastforeverhad2.(actual)goneinasecondbeforewerealizedit.Thosewhoweusedtodeeplylovehavenowbecomestrangers.Ouroncepureandbeautifuldreamisgraduallyfadingawaywithtimepassingby.Thisisyouth,3.isindeedanendlesscyclefromfamiliaritytostrangenessandfromstrangenesstofamiliarity.Humanissuchastrangeanimalthatwemostlyignoresomething4.weloseit.We5.(gain)alotofthings,butalsowehavelostalot.Weareingreateffortinchangingourfateandbringingmorehappinesstopeoplearoundus.However,wesoonrealizeitisdifficult6.(achieve)anyofthem.Itisalifelongpromise.Manythingswouldchangewithtimeandnoonecanguaranteeeternity(永恒).So,silencebecomesthebest7.(solve)toalldifficultiesandhardships.Theflyingyouthhasdeposited(沉積)toomanythingsinourheart.Lifeshould8.(treat)withspecialcare.Weshouldtreasureeverymomentofsincerityandgratefulnessbecause9.bestthingswillbegoneveryeasily.Ifyoudonotwanttohavetearingeyes,thenjusttrytosmileandholdapositiveattitudetowards10.(you)lifeeveryday!第四部分寫作(共兩節(jié))第一節(jié)短文改錯(滿分10分)28.(10分)假定英語課上老師要求同桌之間交換修改作文,請你修改你同桌寫的以下作文。文中共有10處語言錯誤,每句中最多有兩處。每處錯誤僅涉及一個單詞的增加、刪除或修改。增加:在缺詞處加一個漏字符號(∧),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、每處錯誤及其修改均僅限一詞;2、只允許修改10處,多者(從第11處起)不計分。DearDavid,Howtimefly!It’saweeksinceyouleftourschool、Thankyousomuchforyourhelp、HowIwishyoucanstayherealittlelonger!WhileI’mwritingletter,preciousmemoriescrowdinonme、Istillrememberthedaywhenyoufirstcameintoourclassroomsmiledandshowedusyourwonderfuldance,which,aswellasyournativeaccent,madeusallexciting、ThatleftmethedeepestimpressionwasthewayyouhelpedmememorizeEnglishwords、YoualwaysrepeatedthewordsmanytimesafterIcouldlearnitallbyheart、Withyourhelp,IhavemadegreatprogressesinmyEnglish、Thanksagain!Ireallyhopewecanstayintouchwithforever!第二節(jié)書面表達(dá)(滿分25分)29.(2

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。

最新文檔

評論

0/150

提交評論