2025屆甘肅省蘭州五十一中英語高三第一學(xué)期期末檢測試題含解析

2025屆甘肅省蘭州五十一中英語高三第一學(xué)期期末檢測試題注意事項：1．答題前，考生先將自己的姓名、準(zhǔn)考證號填寫清楚，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．請按照題號順序在各題目的答題區(qū)域內(nèi)作答，超出答題區(qū)域書寫的答案無效；在草稿紙、試題卷上答題無效。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．Iwonder________theequipmentwillbeavailableintendays.A．that B．when C．whether D．where2．________makesourschoolfamousis________morethan90%ofthestudentshavebeenadmittedtouniversities.A．What;that B．That;becauseC．That;what D．What;because3．—CanIlieaboutseeingatextbecauseIwastoobusyorlazytorespondtoit?—Receivingatextdoesnotnecessarilymeanyouhavetorespond．Whywasteaperfectlygoodlie________thetruthwillserve?A．unless B．until C．when D．while4．—Thenewmachineshavearrivedandarebeingtestedintheworkshop.—I’mgladwe_____themintheyearsahead.A．willbeoperatingB．havebeenoperatingC．wouldbeoperatingD．hadbeenoperating5．Theywereabroadduringthemonthswhenwewerecarryingouttheinvestigation,orthey__________toourhelp.A．wouldhavecome B．couldcomeC．havecome D．hadcome6．Don’ttospring-cleanthewholehousejustbecausemymotheriscoming—there’snoneedtodothat.A．undertake B．a(chǎn)ttemptC．bother D．hesitate7．Aftertheflooding,peopleweresufferinginthatarea,________urgentlyneededcleanwater,medicineandsheltertosurvive.A．which B．whoC．where D．what8．Daviddidn’tattendhisdaughter’sgraduationceremony,buthedoeswishhethere.A．shouldbe B．wouldbeC．hadbeen D．were9．—Tom,doyouenjoyyourpresentjob?—________.Ijustdoitforaliving.A．OfcourseB．NotreallyC．NotlikelyD．That’sallright10．Fromhisexpression,Idon’tthinkhecouldhavefinishedhishomeworklastnight,_______?A．couldn’the B．doIC．didhe D．hasn’the11．—Iamgainingweight.Ineedtoseeadoctor.—ButIthinkyoueattoomuch.___________.A．Neglectofhealthisdoctor’swealth B．Laughatyourills,andsavedoctors’billsC．Dietcuresmorethanthedoctor D．Anappleadaykeepsthedoctoraway12．—Jackshouldhavecalmeddownattheparty!—Butthekidsmadesomuchnoisethathecouldn’thelpbut_______.A．facethemusicB．eatlikeabirdC．mendhiswaysD．flyoffthehandle13．Ineedtobemorematureandreadyto______mymistakes.A．holdonto B．cutoff C．makeupfor D．takeup14．TheDragonBoatFestival________thebeginningofthehottestseasonoftheyear.A．ismarkingB．marksC．willmarkD．marked15．Paulcouldbeaveryattractiveboybuthe______tohisbehaviour.A．paidnoattention B．werepayingnoattentionC．paysnoattention D．hadpaidnoattention16．______almostonehundredjin,thestonewasmovedbyhimalone.A．Weighed B．Weighing C．Itweighed D．Toweigh17．—Whataboutyourself-drivetripyesterday?—Tiring!Theroadwasbeingwidened,andwe________aroughride.A．had B．haveC．wouldhave D．havehad18．----Whathappenedtotheyoungtreesweplantedlastweek？---Thetrees_____________well，butIdidn'twaterthem.A．mightgrow B．needn'thavegrownC．wouldgrow D．wouldhavegrown19．---Thereareprobablyalienslivinghereonearth.---_____!Ican’tbelieveyousaidthat.A．Comeon B．ForgetitC．Goahead D．Allowme20．Iwasexpectingapresentfromher,soIwasdisappointedIdidn’treceive______.A．it B．one C．that D．theone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）WhenPaulaGrzelak-Schultzspottedapieceofpapertuckedunderwindshield(擋風(fēng)玻璃)wipers,shethoughtshewasgettingfinedforleavinghercarinabarparkinglotovernight.Withaheavysigh,Grzelak-Schultzremovedthepaperandunlockedhercar.Hardlyhadsheunfoldedthepaperwhenshegotshocked.ItwasaletterfromthemanagerofOriginalJoe’sRestaurant&BarinSherwoodPark,Canada.“Justwantedtothankyouforleavingyourcarparkedovernight,”JayMcLean,managingpartneratOriginalJoe’s,wrote.“I’mnotsureifyouhadconsumedalcoholatourrestaurantornot,butwewantedtothankyoufornotdrinkinganddriving.”Insideit,,Grzelak-Schultzalsofoundavoucher(代金券)for1poundofchickenwings.“Pleaseacceptthisasathankyouforbeingresponsible,”McLeanwrote.“Lifeisvaluable,haveagreatweekend.”Grzelak-Schultzwastouched.“Iwassureitwasgoingtobeaticketorascoldingfromsomeoneforleavingmyvehiclethereforsolong,”Grzelak-SchultztoldCBSNews.“Iwastrulysurprisedandsopleasedthatthemanagertookthetimetoacknowledgemygoodjudgment.”Shedecidedtosharetheman’sgooddeedonFacebook.“Wow!I’msoimpressed.Definitelygoingback,”Grzelak-SchultzwroteinaFacebookpostonTuesdaythathassincegonewidespreadwithnearly8,500shares.“Notjustbecauseofthevoucher,butalsobecauseofhowwellthisguytreatshisregularcustomers.”Exactlyaweeklater,Grzelak-SchultzreturnedtotherestauranttothankMcLeanforhiskindnessanddiscoveredthatshe’snottheonlycustomertoreceivethisletter.“He’sbeendoingitforoverayear,withnoexpectations.”Sheexplained.“Justbeingagoodguy.”1、98．Atfirstsightofthepaper,Paulthoughtitwas.A．a(chǎn)ticketB．a(chǎn)voucherC．a(chǎn)letterD．a(chǎn)thank-youcard2、100．WhattrulysurprisedGrzelak-Schultz?A．Shewasnotfinedbythepolice.B．Shewasnotscoldedforparking.C．Shewasconsideredasresponsible.D．Shegotavoucherforchickenwings.3、102．WhatcanwelearnaboutJayMclean?A．Hesimplymeanttobegood.B．Hehopedtoattractmorecustomers.C．HewantedtobepopularontheInternet.D．Heintendedtopleaseregularcustomers.4、104．24.Whichcanbestdescribethechangeoftheauthor’sfeelings?A．sad—excited—surprise—relievedB．sad—surprised—pleased—impressedC．surprised—sad—disappointed—pleasedD．disappointed—surprised—excited—delighted22．（8分）Evenplantcanrunafever，especiallywhenthey'reunderattackbyinsectsordisease．Butunlikehuman，plantscanhavetheirtemperaturetakenfrom3，000feetawaystraightup．Adecadeago，adoptingtheinfrared（紅外線）scanningtechnologydevelopedformilitarypurposesandothersatellites，physicistStephenPaleycameupwithaquickwaytotakethetemperatureofcropstodeterminewhichonesareunderstress．Thegoalwastoletfarmersprecisely（精確的）targetpesticide（殺蟲劑）sprayingratherthanrainpoisononawholefield，whichalwaysincludesplantsthatdon'thavepestproblems．Evenbetter，Paley'sRemoteScanningServicesCompanycoulddetectcropproblemsbeforetheybecamevisibletotheeye．Fixedonaplaneflownat3，000feetatnight，aninfraredscannermeasuredtheheatsentoutbycrops．Thedataweretransformedintoacolor﹣codedmapshowingwhereplantswererunning"fevers"．Farmerscouldthenspot﹣spray，using50to70percentlesspesticidethattheyotherwisewould．ThebadnewsisthatPaley'scompanycloseddownin1984，afteronlythreeyears．Farmersresistedthenewtechnologyandlong﹣termsupporterswerehardtofind．Butwiththerenewedconcernaboutpesticidesonproduceandrefinements（改進(jìn)）ininfraredscanning，Paleyhopestogetbackintooperation．Agricultureexpertshavenodoubtthatthetechnologyworks．"Thistechniquecanbeusedon75percentofagriculturallandintheUnitedStates，"saysGeorgeOertherofTexasA&M，whorecentlyretiredfromtheDepartmentofAgriculture，thinksremoteinfraredcropscanningcouldbeadoptedbytheendofthedecade．ButonlyifPaleyfindsthefinancialsupportwhichhefailedtoobtain10yearsago．1、Plantswillgiveoutanincreasedamountofheatwhentheyare．A．facinganinfraredscannerB．sprayedwithpesticidesC．exposedtoextremesunraysD．inpoorphysicalcondition2、Inordertoapplypesticidesprayingprecisely，wecanuseinfraredscanningto．A．drawacolor﹣codedmapB．evaluatethedamagetothecropsC．locatetheproblemareaD．measurethesizeoftheaffectedarea3、Theapplicationofinfraredscanningtechnologytoagriculturemetwithsomedifficultiesof．A．thelackofofficialsupportB．itshighcostC．thelackoffinancialsupportD．itsfailuretohelpincreaseproduction4、Infraredscanningtechnologymaybebroughtbackintooperationbecauseof．A．fullsupportfromagriculturalexpertsB．theforcefulpromotionbytheDepartmentofAgricultureC．thedesireoffarmerstoimprovethequalityoftheirproduceD．growingconcernabouttheoveruseofpesticidesoncrops23．（8分）Manyofuslistentomusicwhilewework,thinkingthatitwillhelpustoconcentrateonthetaskathand.Andinfact,recentresearchhasfoundthatmusiccanhavebeneficialeffectsoncreativity.Whenitcomestootherareasofperformance,however,theimpactofbackgroundmusicismorecomplicated.Theideathatlisteningtomusicwhenworkingisbeneficialtooutputprobablyhasitsrootsintheso-called“Mozarteffect”.Putsimply,thisisthefindingthatspatialrotationperformance(空間旋轉(zhuǎn)能力)isincreasedimmediatelyafterlisteningtothemusicofMozart,comparedtonosoundatall.Howsoundaffectsperformancehasbeenthetopicofresearchforover40years,andisobservedthroughaphenomenoncalledtheirrelevantsoundeffect.Tostudyirrelevantsoundeffect,participantsintheresearchareaskedtocompleteasimpletaskwhichrequiresthemtorecallaseriesofnumbersorlettersintheexactorderinwhichtheysawthem.Thetrickythingisbeingabletodothiswhileignoringanybackgroundnoise.Twokeycharacteristicsoftheirrelevantsoundeffectarerequiredforitsobservation.First,thetaskmustrequirethepersontousetheirrehearsalabilities(復(fù)述能力),andsecond,thesoundmustcontainacousticalvariation(聲學(xué)變化).Wherethesounddoesnotvarymuchacoustically,theperformanceofthetaskismuchclosertothatobservedinquietconditions.Theirrelevantsoundeffectitselfcomesfromattemptingtoprocesstwosourcesoforderedinformationatthesametime—onefromthetaskandonefromthesound.Unfortunately,onlytheformerisrequiredtosuccessfullyperformtherecalltask,andtheeffortinensuringthatirrelevantorderinformationfromthesoundisnotprocessedactuallyhinders(阻礙)thisability.Asimilarconflictisalsoseenwhenreadingwhileinthepresenceoflyricalmusic.Inthissituation,thetwosourcesofwords—fromthetaskandthesound—areinconflict.Thecostispoorerperformanceofthetaskinthepresenceofmusicwithlyrics.Whatthisallmeansisthatwhetherhavingmusicplayinginthebackgroundhelpsorhindersperformancedependsonthetaskandonthetypeofmusic,andonlyunderstandingthisrelationshipwillhelppeoplemaximizetheirproductivitylevels.1、“Mozarteffect”ismentionedto________.A．explainhowmusiccanrelaxpeopleB．showmusiccanimproveperformanceC．a(chǎn)dvisepeopletolistentoMozartmusicD．stressMozartmusicgainswideattention2、Itcanbeinferredthatparticipantsintheresearch________.A．haveimprovedtheirrehearsalabilityB．performbetterinthequietconditionsC．ignorethebackgroundnoisesuccessfullyD．preferthemusicwithgreatsoundvariation3、Paragraph6iswrittento________.A．supportanidea B．makeacontrastC．introduceatopic D．describeafact4、Whatisthebesttitleforthepassage?A．MusicshapesyourlifeB．MusicdevelopsyourcreativityC．ChoosequietmusicforyourworkD．Doesmusicmakeyouconcentrate?24．（8分）DoyouwanttodosomevolunteerworkwhileexploringAfrica?Thenjoininour21-DayFlagshipProgram.Stepontotheflat,sandylandofGhana,andyou’llimmediatelyhearthelaughterofchildreneverywhere.ThislaughterwillbetheconstantofyourtripandasteadysourceofenergywhileyouvolunteeramongoneofAfricaskindcommunities.CommunityServiceVolunteerinprimaryschools,workingwithchildrenofdifferentagestohelpimprovetheirEnglishskills,tutorthosewhomightbefallingbehindandcontributetoeachschool’sneeds,includingmakingimprovementstothefacilities.Splityourtimebetweenteachingandcampusrefurbishment(翻修)projectstoserveeveryaspectoftheschool,andlearnallabouteducationinGhana.Hands-onLearningParticipateinworkshopssuchasbatikclothdyeing(蠟染),drumming,dancingandcrashcoursesinthenativelanguage,EweorKrobo.You'llbegivenaGhanaiannamebythelocalchiefofyourvillage,andvisitaseamstress(女裁縫)tohavecustomclothingmadeoutofcolorfulfabricsyoupurchase.Onthe21-DayFlagshipProgram,you’llhearaboutthenation’shistoryasacenteroftheslavetrade,andvisitFortPrinzensteintotrulyunderstandtheweightofthistopic.AdventureYou’llalsoexperiencethenaturalsurroundingsofGhanawithabeautifulwaterfallhike:Onyour21-DayFlagshipProgram,goonatwo-nighttripwhereyou’llgettovisitamonkeyshelter.LodgingGlobalLeadershipAdventures(GLA)operatestwoHomeBasesforthe21-dayprogram.BotharelocatedoutsideofthecapitalcityofAccrainruralvillagesettings.Accommodationsarebasic,butcleanandsafe.Studentssleepinroomswithroommates,andhaveaccesstosharedbathroomswithcold-watershowers.DatesJune26-July16,2019July9-July29,2019July20-August9,2019Duration:21daysTuition:$5,399CommunityServiceHours:60Formoreinformation,pleasecall1-858-771-0645orsendanemailtoinfo@.1、Whichofthefollowingisarequirementforparticipants?A．BeingabletospeakEnglishwell.B．Beingstrongandover18yearsold.C．KnowingalotabouteducationinGhana.D．Havingdonesimilarvolunteerworkbefore.2、WhatcanbedoneatFortPrinzenstein?A．Learningtoplaydrums.B．Visitingacustomclothingfactory.C．Learningaboutthenation’spasthistory.D．ChoosingaGhanaiannameforyourself.3、Whatwouldparticipantshavetodowhenjoiningintheprogram?A．StayinGhanaforthreeweeks.B．Accompanymonkeysfortwonights.C．Pay5,399dollarsforthewaterfallhike.D．Dovolunteerworkforatmost40hours.25．（10分）Throughouthistory,artist,inventors,writersandscientistshavesolvedproblemsintheirdreams.Now,let’shavealooktogetheratsomeofthem.1.PaulMcCartneyFoundYesterdayinadreamPaulMcCartneyisoneofthemostfamoussingers/songwritersofalltime.AccordingtotheGuinnessBookofRecords,hisBeatlessongYesterday(1965)hasthemostcover（翻唱）versionsofanysongeverwrittenand,accordingtorecordlabelBMI，wasperformedoversevenmilliontimesinthe20thcentury.ThetuneforYesterdaycametoPaulMcCartneyinadream.“Iwokeupwithalovelytuneinmyhead.Ithought,’That’sgreat,Iwonderwhatthatis?’Therewasanuprightpianonexttome,totherightofmybedbythewindow.Igotoutofbed,satatthepiano,foundG,foundFsharpminor----andthatleadsyouthroughthentoBtoEminor,andfinallybacktoE.Itallleadsforwardlogically.Ilikedthe_melodyalot,butbecauseI’ddreamedit,Icouldn’tbelieveI’dwrittenit.Ithought,‘No,I’veneverwrittenanythinglikethisbefore.’ButIhadthetune,whichwasthemostmagicthing!”2.MaryShelley’sFrankenteinInspiredbyaDreamInthesummerof1816,nineteen-year-oldMaryWollstonecraftGodwinandherlover,thepoetPercyShelley(whomshemarriedlaterthatyear),visitedthepoetLordByronathisvillabesideLakeGenevainSwitzerland.Stormyweatherfrequentlyforcedthemindoors,wheretheyandByron’sotherguestssometimesreadfromavolumeofghoststories.Oneevening,Byronchallengedhisgueststoeachwriteonethemselves.Mary’sstory,inspiredbyadream,becameFrankentein（科學(xué)怪人）.“WhenIplacedmyheaduponmypillow,Ididnotsleep,norcouldIbesaidtothink----Myeyesshut,Isaw------withmyacutementalvision----thepalestudentofunholyartskneelingbesidethethinghehadputtogether.Isawtheuglyfigureofamanstretchout,andthen,ontheworkingofsomepowerfulengine,showsignsoflife,andtremblewithanuneasymotion,extremelyfrightful.ThenextmorningIannouncedthatIhadthoughtofastory.Ibeganthatdaywiththewords,‘ItwasonadullnightofNovember’,makingonlyatranscript(文字稿)ofthecruelterrorofmywakingdream.”1、Wecanlearnfromthewholepassagethat_________A．Somegreatstories,poemsandsongswerecreatedwhiletheirwritersslept.B．PaulMcCartneylikeswritingsongsindreams.C．FrankenteinwaswrittenbyByron’sguests.D．ByronwasanuglyfrightfulFrankentein.2、Theunderlinedword“melody”hasthesimilarmeaningof_______.A．dreamB．songC．tuneD．instrument3、Whichisthebesttitleofthewholepassage?A．TheGreatestwritersB．ThemostfamoussongandstoryC．GreatdreamsthatcometrueD．Howtodream第三部分語言知識運(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四個選項中，選出可以填入空白處的最佳選項．26．（30分）Onourfirstanniversary,JackboughtabottleofCasaque,anexpensivecologne(古龍香水)forme.“Weagreedtosavethemoneyforyourpostgraduateeducation，”Isaidsomewhathalf-heartedlyasItookitoutfromabeautifully-wrappedpacket.“Iamunablenottogivesomething1totheworld'smostbeautifulbride,honey！”Iheldittomy2，andsmelledthemostpleasantflavorIcouldever3.Lookingdownatmy4bluejeansandugly,raggedtennisshoes,IwonderedifIcouldeverbeworthyofit.ButIwould5.Iusedonlyalittleofiteverytime6Jackgraduatedandourlifewasfinanciallyeasier.It'sa7ofthefoolishloveofayounghusband.Thenonedaythree-year-oldJimwassittingonthefloor8theemptycolognebottle.Hislipswet,hewasmakinga(n)9face.Hedrankmy10cologne！“Jack,comequick.”Icried，“Cancologne11mybaby?Jimdranktherestofit！”“It'smostlyjustalcohol,honey，”Jack12me.LittleJimwasfine,andmyconcernformychildwas13.Inowfelt14toseetheemptycolognebottle.Afewweekslater,Jackboughtanotherbottleofmybelovedcologne.I15itasmuchasIhaddonetotheearlierone.16，itbecamethree-quartersempty.Ithoughtitbesttobuyanother17.Buttheshopassistanttoldmethattherewasn'tevenamakerofthatbrandanymore.NowIonlyusemyspecialcologneonveryimportantoccasions,becausetherewillbe18toreplaceitwhentheselastfewprecious19aregone.Butfromthebottomofmyheart,it'snotthree-quartersemptybutstillone-quarterfull.PerhapsifI'mverycareful,Ican20usingitfortherestofmylife.1、A．specialB．terribleC．practicalD．cheap2、A．eyeB．noseC．handD．mouth3、A．imagineB．a(chǎn)ffordC．touchD．describe4、A．clumsyB．uniqueC．fadedD．stylish5、A．tryB．a(chǎn)ctC．insistD．withdraw6、A．unlessB．evenifC．untilD．evenafter7、A．costB．consequenceC．standardD．symbol8、A．lookingforB．holdingC．reachingforD．filling9、A．a(chǎn)musedB．excitedC．a(chǎn)wfulD．happy10、A．poisonousB．preciousC．dangerousD．magical11、A．hurtB．a(chǎn)ttractC．frightenD．please12、A．criticizedB．encouragedC．educatedD．comforted13、A．increasedB．relievedC．confirmedD．developed14、A．gratefulB．nervousC．heartbrokenD．desperate15、A．resistedB．wastedC．protectedD．prized16、A．StillB．SoC．OtherwiseD．Therefore17、A．brandB．bottleC．flavorD．color18、A．someB．noneC．a(chǎn)notherD．more19、A．quartersB．packetsC．dropsD．shops20、A．turntoB．devotetoC．countonD．decideon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）語法填空Insciencefiction,space1．(describe)asasilent,emptyplacebutthingsaredifferent.Infact,alloftheequipment2．(use)tokeepaspacestationfunctioningcanbesonoisy3．theastronautsworkingtherecannottalkwithoneanother4．(easy)—theyhavetoshout.Thehighlevelsofsoundmayaffecttheirwork,andcansometimesevenmeanthattheyare5．(able)tosleep.Inaddition,theymustfaceotherproblemsinspace.Scientistshavefoundover70,000itemsofrubbish6．stillremainintheorbit(軌道)aroundtheearth.Mostofthemare7．(small)thanatennisball,buttheystillthreatenthe8．(safe)ofexploringinspace.Evenasmallpieceofmetalcouldcauseaterribledisasterifithitamannedspacecraft.Althoughgenerallyastronautsdomakeaneffort9．(bring)mostoftheirrubbishhome,theydon’talwaysmanageit.Andtheydon’tjustleavetheirrubbishinspaceeither.Thereisevenabrokencameraleftbehindon10．moon.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）短文改錯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。Manyofuswereraisedwiththesaying“Wastenot,wantnot”、Noneofus,therefore,cancompletelyavoidwasteinourlives、Anykindofwastewasthoughtless,whetherwewasteourpotentialtalents,ourowntime,ourlimitednaturalresource,ourmoney,orotherpeople’stime、Eachofuscanbecomemoreawareofandcareful、Thesmallestgoodhabitscanmakethebigdifference、It’sagoodfeelingtoknowinourheartswearedoingourbestinaworldwhatisinserioustrouble、Byfocusingonoil,water,paper,foodorclothing,weareplayingapartincuttingdownonwaste、Wemustkeepremindingusthatitiseasiertogetintosomethingthanitistogetoutofit、Actually,severedamagedonetoourlandisfairrecentinthehistoryofourevolution、It’stimeforustosaynotowastesothatourgrandchildren’schildrenwillabletodevelopwell、第二節(jié)書面表達(dá)（滿分25分）29．（25分）假如你叫李華，下個月將去美國學(xué)習(xí),寫一封郵件給你美國的朋友Peter,告訴他你想利用周末時間