版權(quán)說(shuō)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(qǐng)進(jìn)行舉報(bào)或認(rèn)領(lǐng)
文檔簡(jiǎn)介
廣東省佛山市順德區(qū)龍江鎮(zhèn)重點(diǎn)達(dá)標(biāo)名校2025屆初三調(diào)研英語(yǔ)試題試卷詳細(xì)解析注意事項(xiàng):1.答題前,考生先將自己的姓名、準(zhǔn)考證號(hào)碼填寫(xiě)清楚,將條形碼準(zhǔn)確粘貼在條形碼區(qū)域內(nèi)。2.答題時(shí)請(qǐng)按要求用筆。3.請(qǐng)按照題號(hào)順序在答題卡各題目的答題區(qū)域內(nèi)作答,超出答題區(qū)域書(shū)寫(xiě)的答案無(wú)效;在草稿紙、試卷上答題無(wú)效。4.作圖可先使用鉛筆畫(huà)出,確定后必須用黑色字跡的簽字筆描黑。5.保持卡面清潔,不要折暴、不要弄破、弄皺,不準(zhǔn)使用涂改液、修正帶、刮紙刀。Ⅰ.單項(xiàng)選擇1、----Mum,IwanttowatchAcrosstheSeatoSeeYou(漂洋過(guò)海來(lái)看你)onZhejiangSatelliteTV.----Oh,dear,it______forafewminutes.Comeon!A.hasbegunB.willbeginC.hasbeenonD.willbeon2、Ourhistoryteacherisvery________.Sheneverplaysjokeswithus.A.serious B.funny C.nervous D.patient3、WithWeChatbecomingmoreandmorepopularinChina,itseemsthatweare_______theartofchattingface-to-face.A.enjoying B.losing C.failing D.reminding4、—Whydidn’tyougotothepartylastnight?—BecauseI_______.A.wasn’tinvitedB.didn’tinviteC.haven’tinvitedD.a(chǎn)mnotinvited5、Students_________toreadthetextcarefullybeforetheyansweredthequestions.A.a(chǎn)skB.a(chǎn)skedC.a(chǎn)reaskedD.wereasked6、OntheEveoftheNewYear,alargenumberofpeoplegatheredinChenYiSquare,Shanghai,towelcomethenewyear,whenpeoplebegantopusheachother,andevenfellontopofeachother.Thisterribleincident_______36deathsand47injured.A.madeB.causedC.producedD.provided7、--Idon'tknow_______duringthesummervacation.Anyadvice?--Howaboutdoingsomepart-timejobs?A.whatshouldIdoB.whereshouldIgoC.whatIshoulddoD.whereIshouldgo8、Mr.Lingavethetextbookstoallthestudents______theoneswhohadalreadytakenthem.A.a(chǎn)bout B.except C.a(chǎn)mong D.with9、ThedictionaryattheLostandFoundoffice________beTim’s,becausehisnameisonitscorner.A.can B.can’t C.must D.mustn’t10、Weallknowanotherbuilding________herenextyear.A.willbuild B.built C.wasbuilt D.willbebuiltⅡ.完形填空11、Longlongago,therewasabeautifullittlegirl.Shewas1becauseshehadnofamilyandnohome.Sheonlyhadherclothesandsomebread.Butshewasverykind.Amanaskedher2shehadsomethingtoeat.Shegavehimher3Achildcriedandtoldherthathis4wasverycold.Soshegavehimherhat.Then,shemetachildwithnocoat.Shegavehimhercoat.Oneday,inthecold5forest,shemetanotherchildwho6herdress.Thelittlegirlthoughtthatitwasdarkand7couldseeher,soshegaveherdressaway.Atlast,shehadalmostnothing:nofamily,nowheretolive,nothingtoeatandlittletowear.8,starsfellfromthesky.Thesestarsbecamebeautifulpiecesofmoney.Withthemoney,she9anewdressandacoat.Thelittlegirlwasrichforthe10ofherlifeandshestillhelpedthepeopleinneedwithhermoney.1.A.a(chǎn)lone B.kind C.poor2.A.where B.if C.when3.A.clothes B.home C.bread4.A.neck B.back C.Head5.A.noisy B.dark C.bright6.A.a(chǎn)skedfor B.tookoff C.gaveaway7.A.someone B.nobody C.a(chǎn)nybody8.A.Suddenly B.Certainly C.Recently9.A.chose B.borrowed C.bought10.A.end B.beginning C.restⅢ.語(yǔ)法填空12、閱讀下面短文,根據(jù)語(yǔ)境、音標(biāo)或所給單詞的提示,在每個(gè)空格內(nèi)填入一個(gè)適當(dāng)?shù)脑~,要求所填的詞意義準(zhǔn)確、形式正確,使短文意思完整、行文連貫。HaveyoueverwatchedShadowPlay?Itis1.a(chǎn)rtwhichismixedmusicandshadowplay.Theplayerholdsthehumancharactersbehindthepaperscreenandplaysaseriesofstories.Thecharactersare2.(usual)madeofcowskin.Whenthedaybecomesdark,theplayersset3.thelightandpaperscreenandstarttheirshow.ShadowPlay4.(come)inShanxiduringtheWesternHanDynastytwothousandyearsago,whichisnamedDaoqingShadowPlay.Itwasvery5./′fe?m?s/inHebeiduringQingDynasty.ThestageoftheShadowPlayisalwaysatablecovered6.a(chǎn)largepieceofpaper.Thelightwasbehindthepaperscreen.Astheshadowplayermoveshisfingers,thecharacterscometolifeandtheirlooks,dressandmovementcanbeclearlyseenfromtheother7./said/ofthescreen.Theplayerisalsotheleadsinger.Allthecharactersareplayedandvoicedby8.(he).Playingthecharacterswellisnotaneasyjob.Italwaystakesaplayertentotwentyyears.Inorderto9./pr?ˊtekt/thetraditionalChinesefolkart,theMuseumofDaoqingShadowPlayhasbeenbuiltinGansu.Many10.(art)aretryingtospreadittothestageofChina,evenoftheworld.It’salsoourdutytopreventitformdisappearing.Ⅳ.閱讀理解A13、MarkTwainwasagreatwriter.HewasfromtheUSA.Hewasbornin1835.Hewasalsoafamousspeaker.Hewasfamousforhissenseofhumour.Manypeoplelikedtolistentohimtalkbecausehelikedtotellsomeinterestingstoriestomakepeoplelaughallthetime.OnedayMarkTwainwasgoingtoasmalltownbecauseofhiswriting.Beforehewasgoingtoleave,oneofhisfriendssaidtohimthattherewerealwaysalotofmosquitoesinthetownandtoldhimthathe’dbetternotgothere.MarkTwainwaved(搖動(dòng))hishandandsaid,“Itdoesn’tmatter.Themosquitoesarenorelativesofmine.Idon’tthinktheywillcometovisitme.”Afterhearrivedatthetown,MarkTwainstayedinasmallhotelnearthestation.Hewentintohisroom,butwhenhewasjustabouttohavearest,quiteafewmosquitoesflewabouthim.Thewaitersfeltverysorryaboutthat.“I’mverysorry,MrMarkTwain.Therearetoomanymosquitoesinourtown.”O(jiān)neofthemsaidtohim.MarkTwain,however,madeajoke,sayingtothewaiter,“Themosquitoesareveryclever.Theyknowmyroomnumber.Theydidn’tcomeintothewrongroom.”Whathesaidmadeallthepeoplepresentlaughheartily.ButthatnightMarkTwainsleptwell.Doyouknowwhy?Thatwasbecauseallthewaitersinthehotelweredrivingthemosquitoesawayforhimduringthewholenight.1.ThatdayMarkTwainwenttothetown_____.A.toseeoneofhisfriendsB.becausehewantedtodosomethingthereforhiswritingC.becausehewastoldtherewerealotofmosquitoesthere2.Thewaitersfeltsorrybecause_____.A.theydidsomethingwrongtoMarkTwainB.theirhotelwastoosmallC.therewerequiteafewmosquitoesinMarkTwain’sroom3.Allthepeoplepresentlaughedheartilybecause_____.A.MarkTwainmadeajokeB.themosquitoesknewMarkTwain’sroomnumberC.MarkTwaingavethewaiterssomenicepresents4.Fromthestoryweknow_____.A.nomosquitoestroubledMarkTwaininthenightB.theownerofthehoteltoldthewaiterstolookafterMarkTwainwellatnightC.MarkTwaindidn’thaveagoodrestthatnightB14、Tomatoes,sweetandjuicy,areoneoftheworld’soldestfoods.TheywerediscoveredbytheIndiansofSouthAmericathousandsofyearsago.Thefirsttomatoeswereverysmall.BythetimetheEuropeansbroughtthemtoEuropeinthe1500s,theywerelarger.Theylookedmorelikethetomatoesweeattoday.Thehistoryoftomatoesisinteresting.WhentheyfirstarrivedinItaly,theywereknownas“l(fā)oveapples”.Italiansbelievedthatifoneateatomato,hewouldeasilyfallinlovewithit.However,intheUnitedStates,peoplebelievedthatonewouldlosehislifeaftereatingatomato.In1820,RobertJohnsondecidedtoprovepeoplewrong.Heannouncedthathewouldeatatomatointhetownsquare.Everyonewasshockedatthenews.Thatmorning,about2,000peopleshoweduptowatch.TheyweresurethatMrJohnsonwasgoingtodie.Ofcourse,hedidn’t.andfromthenon,tomatoesbecamepopularinAmerica.Inthebeginning,peoplearguedwhethertomatoeswerefruitorvegetables.Fromascientificpointofview,theywerefruit.Afruitwastheripenedovaryofanyplantthatmadeseeds.However,thisdidn’tstopmostpeoplefromcallingthemvegetables,Theysaidthattomatoeswereeatenwiththemainmeal-justlikevegetables.So,theythoughttomatoesmustsurelybevegetables.Whethertomatoesarevegetablesornot,theywon’tdisappearanytimenow.Theyarejustdelicious,foreveryonetoeat.1.Italiansusedtocalltomatoes“l(fā)oveapples”mainlybecauseoftheir.A.size B.taste C.shape D.smell2.PeoplefeltwhentheyheardRobertJohnsonwouldeatatomato.A.surprised B.sad C.a(chǎn)ngry D.excited3.Whatdoestheunderlinedsentenceinthefourthparagraphmean?A.Afewpeoplestoppedeatingtomatoes.B.Tomatoesbecamethemostpopularvegetables.C.Mostpeoplestillbelievedtomatoeswerevegetables.D.Mostpeoplestoppedcallingtomatoesvegetables.4.What’sthewriter’spurposeinwritingthetext?A.Totellushowtomatoesgrow.B.Toadviseustoeatmoretomatoes.C.Toshowuswhypeoplelovetomatoes.D.Totellusinterestingfactsabouttomatoes.C15、CarServicesBringyourcarintoCarServicestoday!Wewillcleanyourcarandrepairyourengineatveryreasonableprices.DriveyourcarintoourworkshoplocatedatXinhuaRoad,ormakeanappointment.Tel:719-5638CarWashing:¥10EngineRepairing:Only¥180Tyre(輪胎)Servicing:¥15foreachThebuildingwhichsavespeoplefrombadweather.ThisbuildingneartheseainNewOrleanslookslikesomethingfromascififilm(科幻電影).Itisover360metershigh,andisdesignedtohouseup40,000people,namedtheNoah.Thisbuildingisstrongenoughtoavoidthedamagesofbadweather.BeachClean-upDayWeneedvolunteerstocleanthebeach!Sunday,July20Meetat8:30a.m.atCoastSquare.Startat9:00a.m.andendatnoon.Bringbagsandgloves.Formoreinformation,callZhangLinat564-0657.ApartmenttoRent(出租)Anewapartmenttoberentedinthecitycentre.Onebedroomandonekitchen.Nearthebusstation,atNo.22ChangjiangRoad.Busespassthefrontgate.Ifyouareinterested,pleasehavealookattheapartmentoryoucancallMrs.Yuat274-7130.1.Mr.Wangneedstopay______forhiscarwashingandenginerepairing.A.¥25 B.¥190 C.¥195 D.¥2052.TheNoahisbuiltfor______.A.makingscififilms B.holdingaconcertC.doingexercises D.savingpeoplefrombadweather3.Volunteersaresupposedtobring______onbeachclean-upday.A.bagsandgloves B.books C.swimmingsuits D.violins4.Thenewapartmenttoberentedis______.A.onXinhuaRoad B.nearthepolicestationC.a(chǎn)tCoastSquare D.a(chǎn)tNo.22ChangjiangRoad5.WhichofthefollowingisNOTRIGHTaccordingtotheinformationabove?A.Thevolunteersstartcleaningupthebeachat9:00a.m.B.TheNoahisdesignedtohouseup40,000people.C.It’snotconvenient(方便的)totakeabusneartheapartment.D.Ifyouwanttorepairyourcar,youcancall719-5638.D16、THISyeartheUSMintwillhonoroneofthecountry’smostfamouswriters.“MarkTwain”,thepennameofSamuelClemens(1835-1911)islovedbyAmericanreadersforhisnovelsTomSawyer(1876)andTheAdventuresofHuckberryFinn(1844).Nowheisgoingtohavehislifeandworkcommemorated(紀(jì)念)withspecialgoldandsilvercoins.ButdoesTwainneedtobecommemorated?Itdoesn’tseemlikepeopleintheUSwillforgethim.Twainoncejokedthatalack(缺少)ofmoneyistherootofallevil(邪惡)”butalackofmoneywithTwain’sfamousfaceonitwouldn’thavemadepeopleforgetabouthim.TheAdventuresofHuckberryFinnisthoughttobehisgreatestworks.MotherlessHuckFinnisayoungboywhoshowsthespiritoffreedom.ButitcouldbesaidthatHuck’sfreedomreallycomesfromHuckwantingtofly.WhenHuckgetsawayfromhisviolent(暴力的)father,heisn’treallylookingforfreedom,butsurvival.It’sevenmoreofaproblemforaslave.Jim,theescaped(逃跑的)slavewhoHuckhelps,makesHuck’slifeseemevenbetter.It’seasiernottobeabletodealwithsomeonewhowantstoforceyoutogotoschoolthantohavetofightalawthatsaysyouareapieceofproperty(財(cái)產(chǎn)).HuckandJim’sfriendship,asshownbyMarkTwain,isoneofthegreatstoriesinAmericanliteraturebecauseitshowsawhitecharacter,Huck,whogetsanideaoftheAfricanAmericanexperience.MarkTwainisfamousandwouldstillbefamouswithoutanyspecialcoins.Anyway,thecoinscouldbeareasontolookagainattheworkofawriterwhogotundertheskinoftheUSinthe19thcentury.Withtheraceissue(種族問(wèn)題)______intheUStoday,perhapsTwainstillhassomethingtoteachtoday’sreaders.1.HowmanynovelsismentionedwrittenbyMarkTwaininthispassage?A.OneB.TwoC.ThreeD.Four2.WhyisTheAdventuresofHuckleberryFinnconsideredTwain’sgreatestworks?A.Ittalksabouthowablackslaverunsawayfromhisviolentowner.B.Itdescribesaneverlastingfriendshipbetweenpeopleofdifferentraces.C.Itdescribesthesocialproblemthatalackofmoneyistherootofallevil.D.IttalksaboutawhiteAmericanunderstandingtheAfricanAmericanexperience.3.Accordingtothepassage,whichstatementisNOTtrue?A.Huckgetsawayfromhisfatherforsurvival.B.Jimescapesfromhisslaveownerforfreedom.C.TwaindugdeeplyintoAmericansocietyofhistimes.D.Withoutthespecialcoins,he’llprobablybeforgotten.4.Theunderlinedphrase“farfromdead”probablymeans_______.A.stillbeingthere.B.Becomingmoreserious.C.Beingindanger.D.Goneforalongtime.5.What’sthemainpurposeofthearticle?A.TotellthestoryofTheAdventuresofHuckleberryFinn.B.TotellreadersaboutthespecialcoinscreatedtohonorMarkTwain.C.ToexplorewhytheUSstillremembersandhonorsMarkTwain.D.Todrawreaders’attentiontothemanyraceissuesintheUStoday.E17、Aftertheholidayseason,ourguessisthatyouaretiredfromvisitingthestoreandbuyinggifts.Itiseasytogetstuck,bothspirituallyandphysicallybyhavingtoomuch.Thisiswhyminimalismandlivingsimplyshouldbeyourresolutionfor2018.Economicdevelopmentresultsinalotofconsumerism(消費(fèi)):getagoodjob,getanicecar,andsettleintoabeautifulhouse.Butsomepeoplesaythatourlivescouldusealittlelighteningthesedays:Weworkandworkandworktoonlybuyandbuyandbuy—butdoesallthatmaterialwealthreallyleadtoourhappiness?Arewefillingourtimewithunnecessarythings,whenweshouldbefillingourtimewithfriends,value,andservice?Anarticlefromthewebsite,BecomingMinimalist,pointsouttheproblemwiththiscycle(循環(huán))inthebestway,“Nobodyreallybelieveshappinessisdirectlytiedtothenumberofthingsweown.Yetalmostallofuslivelikeit.Wegetstuckinit.Weworkmorehoursthaneverbefore,earnmoreincome,butsaveless.”Minimalismisn'tallaboutridding(擺脫)consumerismandproductsfromyourlife.Minimalismisaboutfindingyourownsenseofselfandfocusingonthethingsyoulove.Itisaboutcreatingalifestylethatisfocusedononlythosepeopleandthingsthatenrichyou.Thesedays,minimalisticlivingcancomeinmanyforms.Wethinkthemostpracticalformofminimalisticlivingforusistofollowourlist:HowYouCanLiveLighterin2018.PurgeYourCloset:Takeadayandclearoutallofyourdrawersandclosets.Ifsomethingdoesn'thavespecialmeaningoraddsnovaluetoyourlife—giveitaway.Haveonlywhatyouneedandwhatyoucansee.TestThoseLimits:Seehowlongyoucangowithoutshopping.Giveyourselfalimit,whetheritbetwoweeksorsixmonths,whetheritbeavoidingacertainmallorbuyingclothes.Thenputyourselfwilltothetest.Afteryourallowedtime,chancesareyouwillrealizeallthoseextrablousesweren'tworthitandyouwillsetyourselfupforfuturespendingcontrol.CuttheCord:Thissometimesmeansgivingupyourmoderntechnology:TV,cellphone,computer,etc.LimityourselftoonlyafewhoursofTVperweek,oronly30minutesofsocialmediaperday.You'llmakemoretimeforthethingsandpeoplethatyouloveandclearoutsomeunnecessarynoisefromyourlife.LivetoYourGoals:Findoutwhatyourlifegoalsandvaluesare.Then,seewhatmayhelpyouorstopyoufromachievingthisgoal.Cutoutthatwhichdoesn'tleadtoyourhappinessandsuccessandaddmoreofwhatdoes.Remember,apareddownlifestyledoesn'tmeanlesssuccessorlesshappiness.Itrepresentsyourfreedomtofocusonthethingsinlifethatreallymatter.1.Thecycle“peopleworkandworkonlytobuyandbuy”shows.A.peoplegetstuckphysicallyandspirituallyB.peopledon'tbelievewealthleadstohappinessC.peopledon'twanttosavemoreD.peoplefallinlovewithbuying2.Topractiseminimalisticliving,youshould.A.giveawayyourdrawersandclosetsB.gototheshoppingmalleverysixmonthsC.have30minutesofsocialmediaperdayD.discoveryourlifegoalsandvalues3.Thewords“pareddown”inthelastparagraphprobablymean“”.A.freeB.lightC.popularD.convenient4.Whichofthefollowingbestexplainsthewriter'sopinion?A.Itmighttakeyoualongtimetowaitforthe“right”thing.B.Clearouttheunnecessarysothatthenecessarymayspeak.C.Changeyourselfwiththedevelopmentofsociety.D.Freedomismoreimportantthansuccess.F18、TheExplorationofAntarctica(南極洲)
1773
JamesCookcrossedtheAntarcticCircle,buthedidn’tseeland.
1898
AdriendeGerlacheandhismembersweretrappedintheAntarctic.TheybecamethefirsttospendanAntarcticwinter.
1911
NorwegianRoaldAmundsenledafive-manexpeditionthatreachedtheSouthPoleforthefirsttime.
1929
RichardE.ByrdandthreeothersfromtheUSbecamethefirsttoflyovertheSouthPole
1935
CarolineMikkelsenfromNorwaybecamethefirstwomantoarriveinAntarcticawithherhusband.
1947
TheUSsentthelargesteverexpeditionofover4,700men,13shipsand23airplanestoAntarctica.Theytookmanyphotostomakeamap.
1957-1958
12countriesbuiltover60spacestationsinAntarctica.ItbecamethebeginningofinternationalworkinAntarctica.
1997
BoergeOuslandfromNorwaybecamethefirstpersontocrossAntarcticaunsupported.
March2007-
March2009
InternationalPolarYear-Researchersgottheopportunitytoworkinbothpolarplacesorworkinsummerandwinter.
1._______isfromtheUnitedStatesofAmerica.A.BoergeOusland B.RichardE.ByrdC.RoaldAmundsen D.JamesCook2.Theunderlinedword“opportunity”means“______”.A.chance B.a(chǎn)dvice C.guide D.plan3.______isthefirstwomantogettoAntarctica.A.RoaldAmundsen B.BoergeOuslandC.CarolineMikkelsen D.AdriendeGerlache4.WhichisWRONGaccordingtothepassage?A.Thereweremorethan60spacestationsinAntarcticainthe1950sB.RoaldAmundsenwasthefirsttoflyo
溫馨提示
- 1. 本站所有資源如無(wú)特殊說(shuō)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(qǐng)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(qǐng)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(yè)內(nèi)容里面會(huì)有圖紙預(yù)覽,若沒(méi)有圖紙預(yù)覽就沒(méi)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(kù)網(wǎng)僅提供信息存儲(chǔ)空間,僅對(duì)用戶上傳內(nèi)容的表現(xiàn)方式做保護(hù)處理,對(duì)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(duì)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(qǐng)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(duì)自己和他人造成任何形式的傷害或損失。
最新文檔
- 行政特許經(jīng)營(yíng)制度
- 2026年及未來(lái)5年市場(chǎng)數(shù)據(jù)中國(guó)生活用產(chǎn)品檢驗(yàn)行業(yè)市場(chǎng)深度研究及投資戰(zhàn)略規(guī)劃建議報(bào)告
- 2025年?yáng)|昌學(xué)院招聘筆試題目及答案
- 2025年伊利人事考試及答案
- 2025年事業(yè)編b類考試題目及答案
- 2025年人保公司是筆試面試及答案
- 落實(shí)審查調(diào)查安全各項(xiàng)制度
- 教育干部培訓(xùn)匯報(bào)資料
- 缺少推動(dòng)落實(shí)的剛性制度
- 教育培訓(xùn)的重要性
- 2026年交管12123學(xué)法減分復(fù)習(xí)考試題庫(kù)附答案(黃金題型)
- 雷火灸培訓(xùn)課件
- 未來(lái)停車新設(shè)施-探索機(jī)械式停車設(shè)備市場(chǎng)
- 林木清理施工方案(3篇)
- 護(hù)理不良事件防范制度
- 2025年香云紗市場(chǎng)環(huán)境分析
- 數(shù)據(jù)中心設(shè)備部署管理指南
- 《 基本權(quán)利的規(guī)范建構(gòu)》讀書(shū)筆記
- 高新技術(shù)企業(yè)專項(xiàng)審計(jì)操作手冊(cè)
- 2024-2025學(xué)年福建省莆田市高二下學(xué)期期末考試語(yǔ)文試題(解析版)
- 給銷售員講解買賣合同
評(píng)論
0/150
提交評(píng)論