北師大長(zhǎng)春附屬學(xué)校2025屆高三第一次模擬考試英語(yǔ)試卷含解析

北師大長(zhǎng)春附屬學(xué)校2025屆高三第一次模擬考試英語(yǔ)試卷注意事項(xiàng)：1．答題前，考生先將自己的姓名、準(zhǔn)考證號(hào)填寫清楚，將條形碼準(zhǔn)確粘貼在考生信息條形碼粘貼區(qū)。2．選擇題必須使用2B鉛筆填涂；非選擇題必須使用0．5毫米黑色字跡的簽字筆書寫，字體工整、筆跡清楚。3．請(qǐng)按照題號(hào)順序在各題目的答題區(qū)域內(nèi)作答，超出答題區(qū)域書寫的答案無(wú)效；在草稿紙、試題卷上答題無(wú)效。4．保持卡面清潔，不要折疊，不要弄破、弄皺，不準(zhǔn)使用涂改液、修正帶、刮紙刀。第一部分（共20小題，每小題1.5分，滿分30分）1．Heswitchedoffthelightandwasabouttoleavetheclassroomandonlythen____torainheavily.A．itbeganB．itbeginsC．doesitbeginD．diditbegin2．Despitetheobviousprivacyconcerns,theuseoffacial-recognitiontechnologyis________atsomepublicplaces.A．outofdangerB．ontherunC．outofsightD．ontherise3．.Thestudyofnaturalhistoryisnotsomethingtobelefttobiologists.Infact,theircapacity_____thetimetheycanspendawayfromtheirofficesisverylimited.A．intermsof B．insearchofC．inviewof D．inspiteof4．TheDragonBoatFestival________thebeginningofthehottestseasonoftheyear.A．ismarkingB．marksC．willmarkD．marked5．I______tellyouwithcertaintythathewon’tbeabletofinishitbeforethedeadline.A．willB．mustC．canD．may6．Tocombatglobalwarming,manypeopleare_________theuseofalternativeenergysources.A．a(chǎn)pplyingto B．jumpingat C．dippinginto D．pushingfor7．Daviddidn’tattendhisdaughter’sgraduationceremony,buthedoeswishhethere.A．shouldbe B．wouldbeC．hadbeen D．were8．—Doyouknowwhenyourmother________topickyouup?—At11：40am.A．hadcomeB．iscomingC．hascomeD．wouldcome9．—Whydidyoucomebytaxi?—MycarbrokedownlastweekandIstillitrepaired.A．didn’thave B．hadn’thadC．haven’thad D．won’thave10．Manyartifacts________forthefirsttimeintheNationalMuseumatpresent.A．wereexhibitedB．werebeingexhibitedC．a(chǎn)rebeingexhibitedD．a(chǎn)reexhibited11．I______forShanghaithisSaturday,soIwanttoknowwhentheearliestplane______.A．leave;takesoffB．a(chǎn)mleaving;takesoffC．leave;istakingoffD．a(chǎn)mleaving;istakingoff12．Marydoesn'twanttomovetoBeijingbecauseifshe_________there,shewouldn'tbeabletoseeherhusbandoften.A．wouldlive B．weretoliveC．haslived D．lives13．InthevirtuallaboratoryenvironmentcreatedintheVRapp,studentscan________aparticularexperimentbeforedoingtheminareallab.A．revealB．reserveC．previewD．provide14．Inrecentyears,ChineseartshavewontheofalotofpeopleoutsideChina.A．reputationB．enjoymentC．a(chǎn)ppreciationD．entertainment15．Runningisoftentiringandalotofhardwork,butnothing________thefeelingyougetafterfinishingalongworkoutaroundthetrack.A．breaks B．blocksC．bonds D．beats16．Therearealotofsignsmenaremorelikelytohaveheartattacksthanwomen.A．indicate B．toindicate C．indicated D．indicating17．—Shallweputofftheexperimenttillnextweek?—______,Idon’tthinkourteacherwillbehappywithit.A．Nevermind B．Sure,goaheadC．Yes,betternot D．I’drathernot18．Policehavefound________appearstobethelostancientstatue.A．which B．where C．how D．what19．_____areceptiontocelebratethe68thanniversaryofthefoundingofthePeople'sRepublicofChina，vicepremierLiuattachedimportancetomutuallybeneficialcooperationbetweenUSAandChina．A．Addressing B．AddressedC．Beingaddressed D．Toaddress20．Nicholaswasverykind,mercifulandgenerous.Thisis________FatherChristmasisbasedon.A．where B．how C．what D．why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(gè)選項(xiàng)中，選出最佳選項(xiàng)。21．（6分）－Riversarethelife-givingbloodvesselsofourplanet.Theyirrigateourfarms,areanimportantmeansoftransportandasourceofeco-friendlypower.Theycanbeawholelotoffunfortravelers,too.Fromstrikinglystrangeandunusualwildlifecenterstowhitewaterraftinghotspotsandthemostscenicstretchesforcruising,we’vehighlighted3riversworthbasingyournexttriparound.Rankingsaremadeonfivetravelcriteria.Scenicbeauty－thephysicalbeautyoftheriver;waterfalls,color,dramaofthelandscape.Natureandwildlife－diversityandpopularityoffloraandfauna.Culture－depth,diversityandaccessibilityoflocalculture;tribal/medievalvillagesetc.Adventure－thrillfactoroftheriver’stopographyandlocation.Activityoptions－rafting,wildlifewatching,hiking,bikingetc.We’vedebatedamongourselves,researchedexpertviewsandpolledourcolleaguesandfellowtravelersaroundtheworld,toscoreeachriverforthesequalities.3.RioCahabon（Guatemala）Scenicbeauty:4|Natureandwildlife:3|Culture:2|Adventure:5|Activityoptions:5Neverheardofit?Fewhad,untilafewyearsback,whenasectionoftheRioCahabon’sdenselyforestedpathwaythroughcentralGuatemalawasbuiltasakeystopontheCentralAmericanbackpackertrail.KnownasSemucChampey,theseriesofspectacularsteepedlimestonepoolsbridgingovertheriverareaccessedviaahikingtrailnearthevillageofLanquin.Localhostelsalsooffercandlelighttoursofacavesystemcarvedoutbythewaterandyear－roundgradeⅢandIVrafting.2.Zambezi(Africa)Scenicbeauty:5|Natureandwildlife:4|Culture:4|Adventure:5|Activityoptions:4Boastingsuperbwildlifewatching,someofthebestwhite-waterraftingontheplanetandthethunderingbeautyofVictoriaFalls,theZambeziisashowstopper.IntheMiddleZambezi,whichbordersZambiaandZimbabwe,youcanbungeejumpoffAfrica’slargestwaterfall,ortacklethegradeIVrapidsjustbelow.Mostwildlife—fromhippopodstobigcatsandslyNilecrocodiles—isspottedonjeepsafarisandkayakingtripsaroundtheLowerZambezi,wheretheswampydeltafunnelsdownthroughMozambiqueintotheIndianOcean.1.AmazonRiver(SouthAmerica)Scenicbeauty:5|Natureandwildlife:5|Culture:4|Adventure:5|Activityoptions:5Toppingourlistbyanaquaticmile,themightyAmazonsnakesthroughthejunglesofnineSouthAmericannations,providingashelterformorethan400nativeIndiantribesandoneintenoftheknownspeciesonearth.Fortravelers,thepossibilitiesarehuge—fromwildlifespottingsafaristokayakingtripsandgnarlyjungletreks.Backpacker-friendlyBoliviaisapopularplacetoexplorethepampasbylancha(long-tailboat),stoppingoffalongAmazontributariestoswimwithpinkdolphins,fishforpiranhaandtrackelusiveanaconda.1、The3riversmentionedinthepassagearerankedaccordingto.A．theirculturaldiversityandpopularityB．theCNNjournalists’descriptionsC．5travelcriteriaD．experts’views2、RioCahabonisstilllessknowntotheworldbecause.A．a(chǎn)pathwaywasnotbuiltuntilafewyearsagoB．itrunsthroughdeepforestsC．itwasdiscoveredonlyafewyearsagoD．fewbutbackpackersdaretotravelthere3、Touristscanexperiencebungeejumpwhentravellingon.A．ZambeziB．RioCahabonC．AmazonRiverD．a(chǎn)llofthethree4、Theunderlinedphrase“floraandfauna”mostprobablyrefersto.A．flowersandfruitsB．customandtraditionC．cultureandnatureD．a(chǎn)nimalsandplants22．（8分）Your2018ReadingList,ProvidedbyBillGatesMostofuscan’tlivelikebillionaireMicrosoftco-founderBillGates,butwecanreadlikehim.Gatesrecommendedfourbooksin2018—thoughsomewerepublishedearlier.LeonardodaVinci,byWalterIsaacson(2017)ThebestsellingbiographerofSteveJobsandAlbertEinsteinresearcheddeeplyintodaVinci’scontributionsbeyondart,highlightingthebreadthofhisscientific,technological,andcreativeoutput.“Leonardonearlyunderstoodalmostallofwhatwasknownontheplanetatthetime.That’smostlybecauseofhiscuriosityabouteveryareaofnaturalscienceandthehumanexperience,”saidGates.TheBestWeCouldDo:AnIllustratedMemoir,byThiBui(2017)Gatescallsthisgraphicnovel“reallyimpressive”.BuiisthedaughterofVietnameserefugeeswhocametoAmericaafterthefallofSaigon,andbecomingaparentinspiredhertolookintoherownparents’miserablehistory.“IwasstruckbyhowtheexperiencesBuiillustratesmanagetobebothuniversalandspecifictotheircircumstances,”saidGates.LincolnintheBardo,byGeorgeSaunders(2018)Saunders,along-timeshortstorywriter,wonhighpraiseforthisnovel.Thebookimaginestheghoststhathaunt(縈繞)thebasementofWillieLincoln,AbrahamLincoln’sson,whodiedat11inreallife.“Willie’sdeathaftertheCivilWarmadethepresidenthaveanewunderstandingofthegriefhe’screatinginotherfamiliesbysendingtheirsonsofftodieinbattle,”saidGates.OriginStory:ABigHistoryofEverything,byDavidChristian(2018)ThisnewbookisbythecreatorofBigHistory,afree,onlinesocialstudiescourse.Ittraceshistoryinwide,sweepingmovements,startingwiththeBigBang,anditprovides,ineffect,ashortcourseinmodernscience.Thisisabriefhistoryoftheuniverse.“DavidgetsalittlestuckonthecurrenteconomicandpoliticalproblemsintheWest,andIwishhetalkedmoreabouttheroleinnovationwillplayinpreventingtheworsteffectsofclimatechange,”saidGates.1、Whichbooksrefertothefieldofscience?A．OriginStoryandLeonardodaVinci.B．LincolnintheBardoandOriginStory.C．LeonardodaVinciandTheBestWeCouldDo.D．TheBestWeCouldDoandLincolnintheBardo.2、Ifyouareinterestedinthrillers,whosebookwillyoumostprobablychoose?A．WalterIsaacson. B．ThiBui.C．GeorgeSaunders. D．DavidChristian.3、WhichofthefollowingstatementsisTRUE?A．TheBestWeCouldDoisanautobiography.B．LincolnintheBardohasbeenwarmlyreceived.C．DavidChristiantalksmuchaboutthepartthatinnovationwillplay.D．ReaderscanonlyreadaboutLeonardodaVinci’scontributionstowardsart.23．（8分）Herearetheresponsesfromparentstotheposts(帖子)abouttoys.●MicheleManhireMysonAaronis8.It’sbeen8birthdaysand9Christmasesof“Whatcanweget,Aaron?”withoutpropertoysalongtheway.Heisjustsimplyparticularabouttoys.Icanhonestlytellyou,Iamprintingthislist,andheadingtoacoupleofstores(someonline)thatIcangetsomeoftheseitems!Maybethiswon’tbesuchadepressingChristmas.●VeraDoyouhaveanyyamballs(紗球)？Iboughtagiantoneformyclassroombutendedupkeepingitformyownkids.They’restrongenoughtothrowbutsoftenoughtouseasadollbed●NatalieExcellentpost!Thankyousomuchforputtingthistogether.IhavebeenlookingthroughspecialneedstoyliststofindonethatIthoughtwouldbemosthelpfultomyfollowers.Thispostagreestoourpersonalexperiencemostclosely.Ihaveshareditwithmanyothergroupsandthefeedbackhasbeenwonderful.●MeaganThisisagreatlistMysonlovedhiseggchairandemptybottlesarealwaysawin.Healsolovestoturnaglobeandlookatwondertubes.Wondertubesareabout$6onAmazon.Thisyearoneofhisgiftsisagel(凝膠)filledmedicineball.1、Whatarethefourpostsrespondingto?A．Agamelist.B．ApartylistC．AtoylistD．Afoodlist.2、WhatisMichele’sproblem?A．Shehasnomoneyfortoys.B．Shecantfindgoodtoysforherself.C．Hersonhasaspecialtasteforgifts.D．Hersonmissedtoomanybirthdays.3、Whosuggestsagoodtoywhichcanbeusedasabedfordolls?A．MicheleManhire.B．Natalie.C．Meagan.D．Vera.4、Whichofthefollowingcanwelearnfromthetext?A．Veraworksasateacherherself.B．MicheleManhireonlybuystoysonline.C．Meaganispuzzledbyherson’schangingtoys.D．Nataliefollowsmanygroupsinchoosingtoys.24．（8分）Twenty-oneyearsago,myhusbandgavemeSam,aneight-week-oldschnauzer（雪納瑞犬）,tohelpeasethelossofourdaughter.SamandIdevelopedaveryspecialbondoverthenextyears.Atonepoint,myhusbandandIdecidedtomovetoanewhomeinNewJersey.Ourneighbor,whosecathadrecentlyhadkittens,askedifwewouldlikeone.WewerealittleapprehensiveaboutSam’sjealousyandhowhewouldhandlehisturf（地盤）beinginvaded,butwedecidedtoriskit.Wepickedalittle,gray,playfulballofFur.Sheracedaroundchasingimaginarymiceandsquirrelsandjumpedfromtabletochairintheblinkofaneye,sowenamedherLightning.Atfirst,SamandLightningwereverycautiouswitheachotherandkepttheirdistance.Butslowly,LightningstartedfollowingSam—upthestairs,downthestairs,intothekitchen.Later,whentheyslept,itwasalwaystogether;whentheyate,itwasalwaysnexttoeachother.WhenItookeitheroneout,theotherwasalwayswaitingbythedoorwhenwereturned.Thatwasthewayitwasforyears.Then,withoutanywarning,Samwasdiagnosedashavingaweakheart.Ihadnootherchoicebuttohavehimputdown.ThepainwasnothingcomparedwithwhatIexperiencedwhenIhadtowalkintoourhousealone.Thistime,therewasnoSamforLightningtogreetandnowaytoexplainwhyshewouldneverseeherfriendagain.Inthefollowingdays,Lightningseemedheart-broken.Icouldseethedisappointmentinhereyeswheneveranyoneopenedthefrontdoor,orthehopewheneversheheardadogbark.OnedayasIwalkedintoourlivingroom,IhappenedtoseeLightningwaslyingnexttothesculpturedreplica（復(fù)制品）ofSamthatwehadboughtafewyearsago,onearmwrappedaroundthestatue’sneck,contentedlysleepingwithherbestfriend.1、Whatdoestheunderlinedword“apprehensive”inparagraph2mean?A．Shocked. B．Curious.C．Worried. D．Eager.2、HowdidSamgetalongwithLightningatfirst?A．LightningfollowedSameverywhereitwent.B．Theyfoughtwitheachotherfiercely.C．Theykeptacertaindistancefromeachother.D．SamwasunfriendlytoLightning.3、Whatcanweinferfromthetext?A．LightningknewSamhaddied.B．SammeansalottoLightning.C．WetookLightninghometoaccompanySam.D．SamcamebacktostaywithLightningagain.4、Whatcanbethebesttitleofthetext?A．TheFriendshipbetweenSamandLightningB．TheComingofSamandLightningC．TheDeathofSamtoLightningD．TheImportanceofSamtoUs25．（10分）ForincomingfreshmenatwesternConnecticut'ssuburbanBrookfieldHighSchool,liftingabackpackweigheddownwithtextbooksisabouttogivewaytotappingoutnotesandtouchingelectronicpagesonaniPad.Afewhoursaway,everystudentatBurlingtonHighSchoolnearBostonwillalsostarttheyearwithnewschool-issuedipads,eachloadedwithelectronictextbooksandotheronlineresourcesinplaceoftraditionaltexts.Appleofficialssaytheyknowofmorethan600districtsthathavelaunchedwhatarecalled"one-to-one"programs.AtBurlingtonHighinsuburbanBoston,PrincipalPatrickLarkinsaysthe$500ipadsisbetterthantextbooksinthelongterm,thoughhesaidtheschoolwillstillusetraditionaltextsinsomecoursesifsuitableelectronicprogramsaren'tyetavailable.Larkinsaidoftextbooks,"butthey'reprettymuchoutdatedtheminutethey'reprintedandcertainlybythetimethey'redelivered".Butsomeexpertswarnthatthedistrictsneedtoensuretheycansupportthewirelessinfrastructure(設(shè)施),repairsandothercoststhataccompanyaswitchtosuchatech-heavyapproach.MarkWarschauer,aneducationandinformatics(信息學(xué))professorsaid,"Ithinkpeoplewilllikeit.Ireallydon'tknowanybodyinhighschoolthatwouldn'twanttogetaniPad,"hesaid."We'realwaysusingtechnologyathome,thenwhenyou'reatschoolit'stextbooks.Soit'sagoodwaytoputallofthattogether."Districtsarevariedintheirpoliciesonhowtheypolicestudents'use.Andthenation'stextbookpublishingindustry,accountingfor$5.5billioninyearlysalestosecondaryschools,istakingnoticeofthetrendwithitsownshiftinacompetitiveracetowarddevelopingcurriculumspecificallyforipads.JayDickey,executivedirectoroftheAssociationofAmericanPublishers'schoolsdivision,saidallofthemajortextbookpublishersaremovingtowardelectronicofferings,butatleastintheshortterm,traditionalboundtextbooksareheretostay."Ithinkoneoftherealkeyquestionsthatwillbeansweredoverthenextseveralyearsiswhatsortofthingsworkbestinprintforstudentsandwhatsortofthingsworkbestdigitally."1、ThefirstparagraphismainlyaboutA．a(chǎn)programtopromoteipadsmarketinginnewschoolyearB．a(chǎn)programtospreadelectroniclearninginnewschoolyearC．a(chǎn)planofhowtouseipadsinthecomingschooleducationD．a(chǎn)planofhowtoopposeITtechniqueinthecomingschoolteaching2、What'stheproblemforipadstobeusedinschoolsatpresent?A．Somestudentswouldn'tliketohaveipadsinschools.B．Theipadsaretooexpensiveforschoolstudentstobuy.C．Mostexpertsopposetheideathatipadsreplacepapertextbooks.D．Theipadsmaybeunavailableforsometraditionalcourses.3、TheunderlinedsentenceinthepassageimpliesthatA．traditionaltextbooksarebehindthetimesbeforetheyareprintedB．traditionaltextbookspossiblyneedtoheprintedagainbeforedeliveredC．contentsoftraditionaltextbookscan'tberenewedintimeaselectroniconesdoD．theipadscandeliverinformationmuchmorerapidlythanprintedtextbooks4、FromthepassagewecandrawconclusionthatA．morestudentstendtouseprintedtextbooksratherthanelectroniconesB．textbookpublishinghouseswilldevelopmoreelectronictextbooksoftheirownC．itisimpossiblefortheipadstobewidelyusedinschoolsinthefutureD．electronictextbookswilltaketheplaceofprintedonesinnewschoolyear第三部分語(yǔ)言知識(shí)運(yùn)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(gè)選項(xiàng)中，選出可以填入空白處的最佳選項(xiàng)．26．（30分）AsIwastakingawalkwithmymom，Iaskedher，"Haveyoutakentheseniorbusyet?"IheldmybreathasIwaitedforher1．"Oh，yes，Ihave，"shesaid．"Howwasit?"Isaidthewordsas_2asIcouldtoshowmyexcitement，eventhoughIsensedtheanswerwasnotgoingtobe3．Shesighedheavily，"Nooneever4onthatbus．Theyallsittherequietlyandlooksad．Ionlyseeaboutthirteen5oldladiesandmen."My6forhersituationgraspedmystomach．Mydadhadrecentlypassedaway,andhissuddenleavemademymother7andfrightened.Forfifty-sevenyears,mydadhadwalkedbyherside.Momneverlearnedto8,soDaddrovehereverywhere.Now，herwheelsweregone，asonegrandchildsoproperly9hersituation．Iknewsheneededgreat10tomakethedecisiontotaketheseniorbus.However,Ifirmlybelievedthe11wouldn'tlasttoolong,forMomwassooutgoingandactivethatshecouldchatwithalmosteverybodywhomshemetinthestreet．Severaldayslater，whenIcametovisither，Iasked.“Dotheytalktoyounow?"She12andtherewasasparkleinhereyes.Itdidn'ttakegeniustofigureoutthatthe13hadchanged．"Itwassillythatallofusmustsatthere14sayingaword．SoonemorningwhenI15，Igreetedthemandthenremarkedwhatanicedayitwas．Soon，theybeganto16andwechattedhappily．Nowwearefriendsandalwayshavesomegood17onthebus，"shereplied．Mymotherheldthekeytothe18_oftheotherlonelypeopleonthatbus．Asmileandsome19wordswereallittook．Shesowedtinyseedsof20forherselfandherfriendsonthebus．1、A．order B．a(chǎn)nswer C．instruction D．request2、A．fluently B．patiently C．cheerfully D．quietly3、A．positive B．scientific C．similar D．typical4、A．sleeps B．eats C．drinks D．talks5、A．moved B．depressed C．surprised D．encouraged6、A．a(chǎn)nger B．excitement C．sympathy D．forgiveness7、A．stubborn B．selfish C．humorous D．lonely8、A．drive B．cook C．dance D．paint9、A．planned B．described C．copied D．handled10、A．support B．expectation C．patience D．courage11、A．impression B．silence C．a(chǎn)rgument D．friendship12、A．a(chǎn)ppeared B．complained C．cried D．smiled13、A．situation B．plan C．decision D．topic14、A．for B．by C．without D．a(chǎn)fter15、A．passedby B．stoodup C．goton D．gotback16、A．respond B．escape C．study D．a(chǎn)pologize17、A．conversations B．suggestions C．examples D．reasons18、A．ears B．hearts C．doors D．windows19、A．sensitive B．friendly C．responsible D．official20、A．honesty B．imagination C．happiness D．freedom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(gè)適當(dāng)?shù)膯卧~或括號(hào)內(nèi)單詞的正確形式。27．（15分）IcametoEnglandlastsummer.I1．(be)inEnglandforelevenmonths.IamgoingtofinishmystudiesinEnglandsoon,andwillleave2．Chinanextmonth.Atfirstitwasverydifficultforme3．(communicate)withotherpeopleinEnglish,4．nowIcanspeakEnglishmuch5．(well),andevenunderstandEnglishtelevision,becauseIhavestudiedhardandmyteachersandclassmateshavehelpedmealot.IhavelotsofEnglish6．(friend)now.Someof7．(they)haveeveninvitedmefordinnerattheirhouses8．Ihavelearnedalotabouttheircustom.Theyare9．(interest)tolearnaboutChinaandChinesepeople.Everytimetheyaskmealotofquestions,Irealizehow10．(few)Iknowaboutmyowncountry.第四部分寫作（共兩節(jié)）第一節(jié)短文改錯(cuò)（滿分10分）28．（10分）假定英語(yǔ)課上老師要求同桌之間交換修改作文，請(qǐng)你修改你同桌寫的以下作文。文中共有10處語(yǔ)言錯(cuò)誤，每句中最多有兩處。每處錯(cuò)誤僅涉及一個(gè)單詞的增加、刪除或修改。增加：在缺詞處加一個(gè)漏字符號(hào)（∧），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(cuò)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(cuò)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(jì)分。IcanwellrememberanincidentthathappenedonarainSundayafternoon、Iwaswaitingforthegreenlightsthatagirlofabouttenwasknockeddownbyapasscar、Thecarthendrivesoffquickly、Amanimmediatelyrushedtothegirltogivehimfirstaid,butIjoi