2023学年江苏苏州高新区第一中学高三（最后冲刺）英语试卷（含解析）

2023学年高考英语模拟测试卷注意事项：1．答卷前，考生务必将自己的姓名、准考证号填写在答题卡上。2．回答选择题时，选出每小题答案后，用铅笔把答题卡上对应题目的答案标号涂黑，如需改动，用橡皮擦干净后，再选涂其它答案标号。回答非选择题时，将答案写在答题卡上，写在本试卷上无效。3．考试结束后，将本试卷和答题卡一并交回。第一部分（共20小题，每小题1.5分，满分30分）1．Taughtinamoreprofessionalway,you_________theswimmingskillmuchbetter.A．mightmaster B．wouldhavemasteredC．canhavemastered D．couldmaster2．Ifyou’dwrittenearlier,I’dhaveknownwhenyoutogoonholiday.A．want B．havewanted C．wanted D．willwant3．Theycamebackfromtheirlongwalkandwentintobed,.A．tiredlybutrelaxing B．tiredbutrelaxingC．tiredlybutrelaxed D．tiredbutrelaxed4．______theeffortsmadebythepolice,afantasticperformancewillbeputontomorrow.A．InplaceofB．InsearchofC．InchargeofD．Inpraiseof5．Wildanimalsinnaturereservesneedtodeveloptheirsurvivalskillsandtheirwildnature.A．display B．possessC．maintain D．monitor6．Wecompletedonethirdoftheproject,andtheloan_______inplace,wehadtodelaytheresttillthenextmonth.A．notarranged B．wasnotarrangedC．notarranging D．hadnotbeenarranged7．IfJoe’swifewon’tgototheparty,________.A．hewilleither B．neitherwillheC．heneitherwill D．eitherhewill8．—Heiseagertotrysomethinghehasnevertriedbefore.—Oh,Isee.That’s_______he’sdifferentfromothers.A．whenB．whereC．howD．what9．----Whichofthesedigitalcamerasdoyoulikebest?----______.Theyarebothexpensiveandoflittleuse.A．None B．Neither C．Nothing D．Noone10．I'mcallingtoenquireabouttheposition__________inyesterday'sChinaDaily.A．advertised B．tobeadvertised C．advertising D．havingadvertised11．–Wheredidyougettoknowher?--Itwasonthefarm___weworked.A．thatB．thereC．whichD．where12．ThePalaceofVersailles,France’snationaltreasure,has________manychangesinitscentury-longhistorywhilekeepingitsbeauty.A．gonethroughB．takenonC．ledtoD．showedoff13．________challengesinChinascar-sharingeconomy,sharedmobilitystillhasapromisingfuture.A．Despite B．BesidesC．Concerning D．Regarding14．Tocombatglobalwarming,manypeopleare_________theuseofalternativeenergysources.A．applyingto B．jumpingat C．dippinginto D．pushingfor15．Changingthepasswordonyouraccountisn’talastingsolutionifyoudon’tremoveanyvirus，？A．don’tyou B．doyouC．isn’tit D．isit16．—DidyouhavedifficultyfindingAnn'house?—Notreally.She___uscleardirectionsandwewereabletofindit.easily?A．wastogive B．hadgivenC．wasgiving D．wouldgive17．Scientistshavecometotheconclusion___________thetemperatureonEarthisgettinghigherandhigher.A．What B．thatC．which D．when18．______________totheparty,Nancywasveryupset.A．Havingnotbeeninvited B．NothavinginvitedC．Havingnotinvited D．Nothavingbeeninvited19．When________questionsinclass,oneshouldanswerthemasclearlyaspossible.A．asking B．toask C．tobeasked D．asked20．Alotoffoodaswellassometents_________toYushusincetheearthquakeoccurred.A．hasbeentransported B．havebeentransportedC．isbeingtransported D．aretransported第二部分阅读理解（满分40分）阅读下列短文，从每题所给的A、B、C、D四个选项中，选出最佳选项。21．（6分）WhatdoesThanksgivingmeantoyou?Ihearoneboysay,“Itmeansabigdinner.”Ithinkweallagreewithhim.Whodoesnotwelcomeandenjoyagooddinner!IhearMarysay,“Thanksgivingmeansadayofffromschool.”Iguessyouarerighttoo.Schoolisnotsuchacharmingplacethatgirlsandboysareunwillingtohaveanoccasionalholiday.NowIamgoingtoasksomeoftheolderpeoplewhatthedaymeanstothem.Thereisayoungwoman.Sheisastenographer(速记员).Shesays,“Thanksgivingmeansadayawayfromtheoffice.IamattheofficeeverydayexceptSunday,andIdoappreciate,nowandthen,adaythatisreallymyown.”Yonderisatravelingsalesman.WhatdoesThanksgivingmeantoyou?Hesays,“Itmeansadayathome.LastyearIspentonehundredandsixty-ninenightsawayfromhome.Ihavethreechildren.Ishouldliketoseethemeveryday.TherearetimeswhenmanydayspassandIdonotseethem.ThanksgivingweekIplantobeathome.”ThereareothersIcouldask.Eachhashisanswer.ButThanksgivinghasaspecialmeaningforus.ItistheHarvesttime.Ihavehereanapple.Isn’tthisabeautifulapple?Whatcolor!Whomixedthepaints,whohandledthebrushtogivesuchcolortothisapple?God.He,inhisinfiniteloveandwisdom,hasprovided,throughtheunfailinglawsofnature,forthegrowth,sweetness,coloringandbeautifyingofalltheproductsofthefields.Thisappleisbutoneofmanykindsoffruits.Praise,then,isthegreatmeaningofThanksgiving.God,ourheavenlyFather,sendsuseverygoodgift.Fromhisgeneroushandcomeourdailyandnightlymercies.Weshouldpraisehimeveryday.ButthedayfortheunitedchorusofpraiseisThanksgiving.1、Thefirsttwoparagraphswanttotellus.A．peoplehavedifferentwaystocelebrateThanksgivingB．ThanksgivinghasadifferentmeaningfordifferentpeopleC．howpeoplecelebratetheirThanksgivingD．whatThanksgivingreallymeanstomostpeople2、IfthewritercontinuedtoaskanorphanwhatThanksgivingmeanstohim,hewouldmostprobablysay,“Itmeans”.A．alongerholidayathomeB．adeliciousdinnerwithhisfriendsC．abeautifulsongfromafamoussingerD．agooddaytogetherwithhisparents3、Inthewriter’sopinion,onThanksgivingeveryoneshouldfeel.A．gratefulforwhattheyhaveB．satisfiedwithwhatGodgaveusC．amazedathowperfectanappleisD．excitedabouthowdifferentlyThanksgivingmeans22．（8分）Everyday,Americansthrowaway500millionplasticstraws,enoughtocircletheEarthtwice.Theyarealmostneverrecycled,andsimplycontributetothegreatproblemofplasticpollution;eightmilliontonsofplasticisdumpedintotheoceanseveryyear.Plasticstrawsarenowthetargetofagrowingmovementtoreducetheiruse.Possiblythefirstofsuchcampaigns,BeStrawFreewasstartedin2011byMiloCress,whowasonlynineyearsoldatthelime.“InoticedthatwheneverIorderedadrinkatarestaurant,itwouldusuallycomewithastrawinit,andIdon’Iusuallyneedastraw,”hesaid.“Thisseemedlikeahugewaste.Strawsaremadeofoil,apreciousandfiniteresource.Ismakingsingle-useplasticstraws,whichwillbeusedforamatterofminutesbeforebeingtossedaway,reallywhatwewanttodowiththisresource?”CressstartedaskingrestaurantsinBurlington,Vermont,wherehelivedatthetime,tostopprovidingstrawsautomaticallytocustomerandmakethemoptionalinstead.Manyagreedandhisrequestmaderipples(涟漪)nationwide.Therestaurantsthatmaketheswitchreportareductioninthenumberofstrawstheyusebetween50and80%.Theanti-strawsentimenthascrossedbordersintotheUK,wherestrawshavebeenincludedinagovernmentplantobanailplasticwasteby2042.LastyearlargepubchainWetherspoonsannouncedthatitwouldreplaceplasticstrawswithpaperalternativesacross900outlets.Aftertheannouncement,manysmallerchainsandpubsacrossthecountryfollowedsuit.AccordingtoWetherspoonsCEOJohnHutson,themovewillsave70millionplasticstrawsayearandthereactionfrompatronshasbeen“verypositive”.Offeringalternativesormakingplasticstrawsoptional,ratherthanbanningthemcompletely,isacommontraitamongthesecampaigns.“Therearemanyotherviablealternativestosingle-useplasticdrinkingstrawsthatarelessharmfultotheenvironment,wildlifeandhumans,”saidJackieNunez,founderofTheLastPlasticStraw.1、WhatcanwelearnfromParagraph1?A．Plasticstrawsaretoocostlytoproduce.B．Allplasticstrawsaredumpedintothesea.C．Plasticstrawsaretoosmalltoberecycled.D．Plasticstrawscausegreatpollution.2、WhatdidMiloCressaskhislocalrestaurantstodo?A．Tomakeplasticstrawsoptional.B．Tostoptheuseofplasticstraws.C．Tochargetheuseofplasticstraws.D．Torejecttherequestforplasticstraws.3、WhatistheWetherspoons’efforttoreducetheuseofplasticstraws?A．Tobantheuseofplasticstraws.B．Toclosesomeofitsoutlets.C．Tooffercustomersalternatives.D．Toseekthegovernment’ssupport.4、WhatistheWetherspoonscustomers’attitudetowardsthemove?A．Uncaring.B．Favorable.C．Ambiguous.D．Disapproving.23．（8分）YoumighthaveheardalotaboutancienttownsandancientcitiesinChina.Here,welistseveralofthemostbeautifulancientvillagesinChina.BaoshanStoneCity,YunnanProvinceBaoshanStoneCitywasbuiltonahugemushroom-shapedrock,andonlyhasaboutonehundredhouses.Thehousesarelaidoutinanorderlyway,builtontherock,andlinkedbystonesteps.TheNaxipeopletherestillleadanoriginallifeandgrowcropsinterraces(梯田);youcanexperiencethecolorfulcultureoftheNaxiethnic(民族的)groupthere.TuvasVillageinKanas,XinjiangKanasTuvasVillageisnearthemysteriousLakeKanas.Thesmallvillageislocatedinavalley,andonlyhasabout80houses.TheseSwiss-stylewoodenhousesareallsurroundedbywoodenfences.Tuvasisanancientminoritygroup.Theytraditionallylivedashunter-gathers.Youcanvisitalocalfamily,goherding(放牧)withthelocalsandexperiencethepeacefulancientvillagelife.JiajuTibetanVillage,Danba,SichuanProvinceJiajuTibetanVillageisknownasthe“Tibetanfairyland”.Itstandsonamountainslope,andconsistsofabout140houses.Theseuniquehousesareallbuiltwithcrown-shapedroofs,redeaves,andwhitewalls,whichmakethehouseslooklikelittlecastlesamongtheforest.XijiangMiaoVillage,GuizhouProvinceIfyoureinterestedintheMiaoMinority,XijiangMiaoVillagecanbeagreatdestinationfordeepeningyourunderstandingofMiaohistoryandculture.It’sthelargestMiaovillageinChina,andnowhas1432householdswithapopulationofover5000,ofwhich99.5%areMiaoethnicgroup.It’salsofamousforthehousesbuiltonstilts(支柱)ofdifferentheights.1、WhatcanyoudoinKanasTuvasVillage?A．Hikeinterraces.B．Seehousesofaforeignstyle.C．Gohuntingwiththelocals.D．Learnabouthousesbuiltonstilts.2、Wherecanyouadmirethehouseslikecastles?A．InBaoshanStoneCity. B．InKanasTuvasVillage.C．InJiajuTibetanVillage. D．InXijiangMiaoVillage.3、Whatcanweinferaboutthevillagesmentionedinthetext?A．Theyremainedsecrettotheoutsideworldinthepast.B．Theywereoriginallybuilttodefendtheirhomeland.C．Theyarestillcutoffanddifficulttoaccessnowadays.D．Theyaretheethnicvillageswithuniquearchitecture.24．（8分）ArecentstudyledbyresearchersfromtheNationalUniversityofSingapore(NUS)hasfoundaclearlinkbetweenthecolorofataxianditsaccidentrate.Ananalysisof32monthsofdetailedtaxi,driverandaccidentdatafromtwofleetsofyellowandbluetaxisinSingaporesuggestedthatyellowtaxishavefeweraccidentsthanbluetaxis.Thehighervisibility(能见度)ofyellowmakesitlessdifficultfordriverstoavoidgettingintoaccidentswithyellowtaxis,leadingtoaloweraccidentrate.ThestudywasledbyProfHo.Totestwhethertherewasarelationshipbetweenthecolorofataxiandthenumberofaccidentsthetaxihad,theresearchteamanalyseddatacollectedbythelargesttaxicompanyinSingapore.Theresearchersfoundthatyellowtaxishaveabout2.1feweraccidentsper1,000taxispermonth.Theyalsostudiedtheeconomiceffectofchangingthecoloroftheentirefleetoftaxistoyellow.TheSingaporetaxicompanyinvolvedinthestudyownsabout12,300taxisinaratio(比例)ofoneyellowtothreebluetaxis.Ifacommercialdecisionismadetoswitchfrombluetoyellowtaxis,32.2feweraccidentswilloccurpermonthor913feweraccidentsperyear.Assuminganaveragerepaircostof$1,000percarandadowntimeofsixdays,thecolorofalltaxistoyellowcouldproduceanannualsavingof$2million.“Weareeagertocontinuetovalidate(证实)thefindingsofourstudybylookingattheuseofyellowinothertypesofpublictransport,suchasschoolbuses.Forexample,wehopetocomparetheaccidentratesofyellowschoolbusesagainstthoseofothercolorstofindoutifyellowisindeedasafercolorforschoolbuses.Besides,we’realsointerestedtolookatprivate-hirevehiclesanddoacomparisonoftheaccidentratesofvehiclesthatareofdifferentcolors.”ExplainedProfHo.1、Whydoyellowtaxisresultinfeweraccidents?A．Becauseyellowcanbeseenmoreeasily.B．Becauseyellowsignalsawarningofdanger.C．Becausedriverstendtobemorecarefulinyellowtaxis.D．Becausepeopleactmorequicklyinyellowsurroundings.2、What’sProfHo’sstudybasedon?A．Physicalriskstaxipassengersexperience.B．Theeconomiceffectofchangingtaxicolor.C．DatafromSingapore’slargesttaxicompany.D．Personalreportsfromtaxidriversworldwide.3、WhatdoProfHo’swordsinthelastparagraphsuggest?A．Schoolbusesshouldbepaintedyellow.B．Theirfindingsareworthpopularizing.C．Theirstudywillbefurthered.D．Yellowshouldbewidelyusedinpublictransport.4、Whatcanbethebesttitleforthetext?A．Caution:yellowtaxisaheadB．SafertorideinyellowtaxisC．Whyareyellowtaxispreferred?D．Howcancolorshelppreventaccidents?25．（10分）HewasthemanwhoinspiredtheBeatGeneration,andnearlyhalfacenturyafterhisdeathJackKerouacisstillreceivinggratefullettersfromhisfans.MostlettersaresentintheposttohislasthomeinStPetersburg,Florida,andthemailboxinthefrontyardisfulltobursting.Butothersaredeliveredbyhand,pushedunderthefrontdoororleftonthedoorstep.TheyusuallythanktheauthorofOntheRoadforinspiringthemtotravelandbeindependent.“Youremindmetostaytruetowhoyouareandtoencourageasenseofadventureinallofus.”readsoneletter,handwrittenby“Cindy”onpapercoveredwithpicturesofbutterfliesandflowers.Sheadds,“Ihopeyou’rewriting,liberatedanddrinkingaglassofwine.”Another,signed“FriendofJack”,reads,“Iprefertothinkofmyselfasafreespiritandapersonwhofollowsapathofherownchoosing.Youhavealwaysbeenmyinspiration.”Hishome,wherehewaslivingwithhismotherGabrielleandhiswifeStella,hasbecomeadestinationforhundredsoffanseveryyear.Kerouacrocketedtofameattheageof35,withthepublicationofOntheRoadin1957.Butafterbecomingasymbolandleaderofthealternativelifestylemovement,hestruggledwiththatfameandclaimedthatheonlywantedpeopletoreadhisbooks.Kerouacdiedjust12yearsafterOntheRoadwaspublished.Hewassufferingfromliverproblem,followingyearsofheavydrinkinglargelybroughtonbyhislove-haterelationshipwithfame.Kerouac,thecreatorofvividcharacterssuchasSalParadiseandDeanMoriarty,diedataStPetersburghospitalin1969,attheageof47.1、WhydopeoplestillwritetoKerouacafterhisdeath?A．Hiswifeandmotherstillliveinhishome.B．Theyarealsosufferingfromseriousillness.C．Peoplebenefitingfromhisbookswanttosaythanks.D．Peoplehopetolearnhowtodealwithovernightfame.2、WhatisOntheRoadprobablyabout?A．Howtodealwithbecomingfamous.B．Howvividcharacterscanbecreated.C．Teachingpeopletoappreciatehisbooks.D．Gettingtoknowoneselfbetterthroughtravel.3、WhatcanwelearnaboutKerouacfromthetext?A．Hehadgreatdifficultydealingwithfame.B．Hewasdepressedbecausepeopledidn’treadhisbooks.C．Hedrankalottocelebratehisbeingfamousforhisworks.D．Hewasscoldedbecausehepromotedanalternativelifestyle.第三部分语言知识运用（共两节）第一节（每小题1.5分，满分30分）阅读下面短文，从短文后各题所给的A、B、C和D四个选项中，选出可以填入空白处的最佳选项．26．（30分）Whenmywife,Jane,andIwere16,wewereinthesameclass.AboutaweekbeforeThanksgivingDay,wefoundoutthatourteacherEdwardwashavingsome1challenges.Wewantedtodosomethingtohelp,soasaclasswe2togatherfood,clothingandgiftsto3hisfamilyhadagoodThanksgivingDay.WhenJanetoldherfamilyaboutourplan,hermotherwas4.Togethertheysearchedtheirhouseforthingstheycould5.Hermotherwenttothekitchen,6abigturkeyandsaying,“ThanksgivingDaywon’tbe7withoutaturkeydinner.”Tothisday,Janeremembershowmovedshewasbyhermother's8.Beforemakingour9,wesaidaprayerofappreciationforthewonderful10tohelpothers.Iwillneverforgetthesurprised11ofourteacherandhiswifewhenthey12thedoor;theirfourchildrengatheredaroundthemaswehandedoutthegifts.Itwasacoldnight;weallfeltwarminside,13.LastmonthwhileIwasinameeting,mysecretaryinformedme,“YourhighschoolteacherMr.Edwardiswonderingifyoucould14himafewminutes.He’ssittinginyourofficerightnow!”Ileftmymeetingandwenttomyoffice15.MyteacherandIhuggedandbeganto16thelastyears.Hetoldmehe17rememberedthatcoldwinternightwhenwebroughtthe18ofThanksgivingDaytohisfamily.Thefoodandgiftswerecertainly19,butwhatwarmedhisheartthatnightwastoseeagroupofteenagerswhounderstoodthe20ofThanksgivingDay.1、A．financialB．personalC．academicD．typical2、A．appliedB．determinedC．attemptedD．preferred3、A．figureoutB．pointoutC．makesenseD．makesure4、A．satisfiedB．puzzledC．amazedD．touched5、A．separateB．donateC．distributeD．collect6、A．breakingupB．breakingdownC．pullingoutD．pullingdown7、A．traditionalB．usualC．completeD．basic8、A．honestyB．generosityC．pityD．curiosity9、A．decisionB．contactC．deliveryD．contribution10、A．opportunityB．giftC．dealD．memory11、A．expressionB．sorrowC．impressionD．laugh12、A．pushedB．reachedC．draggedD．answered13、A．againB．anyhowC．thoughD．enough14、A．waitB．spareC．spendD．save15、A．hurriedlyB．nervouslyC．proudlyD．worriedly16、A．comeupwithB．lookbackonC．keepupwithD．getholdof17、A．justB．stillC．evenD．already18、A．experienceB．excitementC．pleasureD．warmth19、A．appreciatedB．offeredC．acceptedD．consumed20、A．spiritB．symbolC．historyD．intention第二节（每小题1.5分，满分15分）阅读下面材料，在空白处填入1个适当的单词或括号内单词的正确形式。27．（15分）Haveyoueverasked1．(you)whychildrengotoschool?Youwillprobablysaythattheygotolearnlanguages,arithmetic,history,scienceandsomeother2．(subject).Thatisquiteaccurate.Butwhydotheylearnthesethings?Wesendourchildrentoschool3．(prepare)themforthetimewhentheywillbebigandwillhavetoworkforthemselves.Nearlyeverythingtheystudyatschoolhassome4．(practice)useintheirlife.Butisthattheonlyreasonfor5．theygotoschool?Thereismoreineducationthanjust6．(learn)factors.Wegotoschooltolearnhowtolearn,sothatwhenwehaveleftschool,wecancontinuetolearn.Amanwhoreally7．(know)howtolearnwillalwaysbesuccessful,becausewhenhehastodosomethingnew,hewillnotonlybeabletodoitwellhimself,8．beabletoteachothershowtodoitinthebestway.Theuneducatedperson,ontheotherhand,iseitherunabletodosomethingnew,orjustdoesit9．(bad).Thepurposeofschools,therefore,isnottoteachlanguages,arithmetic,historyscience,etc.,buttoteachpupils10．waytolearn.第四部分写作（共两节）第一节短文改错（满分10分）28．（10分）假定英语课上老师要求同桌之间交换修改作文，请你修改你同桌写的以下作文。文中共有10处语言错误，每句中最多有两处。每处错误仅涉及一个单词的增加、删除或修改。增加:在缺词处加一个漏字符号(∧)，并在其下面写出该加的词。删除:把多余的词用斜线(＼)划掉。修改:在错的词下划一横线，并在该词下面写出修改后的词。注意:1、每处错误及其修改均仅限一词:2、只允许修改10处，多者(从第11处起)不计分。OnDecember30，aftertwoweeks’training，wefinallybeganourworkforvolunteerguidesinamuseum、Duringthefirsttwoweeks，Ilearntalotaboutthestorybehindtheartworks、Inordertodogoodinthework，myteammatesandImadefullypreparations、Wefirstworkedoutacarefulplan、Thenwepracticeduseproperbodylanguagetoexplaintheartworksbetter、Themonth-longvolunteerworkhasnowcometoend，fromwhatIunderstandthatitisn’teasytobeagoodguide、Besides、Ialsorealizethathowimportantteamworkis、IbelievedthatIwillgetlifelongbenefitsfromtheshortandmeaningfulexperience、第二节书面表达（满分25分）29．（25分）你发现周围很多同学在用手机发短信，玩游戏等，影响了正常学习，请针对这个现象，写一份广播稿，呼吁同学放下手机，多关注身边的人和事。内容包括：1、简述频繁使用手机的危害性；2、提出至少三项合理化的建议(多锻炼……)。注意：1、词数100左右2、开头及结尾已给出，不计入总词数。3、可适当增加细节，以使行文连贯。Dearfellowstudents,_________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________That’sall.Thankyouforyourlistening.

2023学年模拟测试卷参考答案（含详细解析）第一部分（共20小题，每小题1.5分，满分30分）1、B2、C3、D4、D5、C6、A7、B8、B9、A10、A11、D12、A13、A14、D15、D16、B17、B18、D19、D20、A第二部分阅读理解（满分40分）阅读下列短文，从每题所给的A、B、C、D四个选项中，选出最佳选项。21、1、B2、D3、A22、1、D2、A3、C4、B23、1、B2、C3、D24、1、A2、C3、C4、A25、Questionsabout:Admissions_of_Our_Specialty_Masters_Programs1.DoIneedtosubmitanessay?Yes,thewrittenessayshouldarticulateyourqualificationsandmotivationforpursuingadvancededucation.2.Whoshouldprovidemyletterofrecommendation?Asupervisorwithinyourorganizationoraprofessorfromyourundergraduateinstitutionfamiliarwithyourwork.3.Whatistheminimumlanguageproficiencyscorerequiredforadmission?ApplicantscanchooseoneofthreelanguageproficiencyexaminationstosubmittotheAdmissionsOffice:theTOEFL,theIELTS,orthePTEAcademic.Thetypical“passing”scoreis95(Internet­based),7,and66respectively.4.DoIhavetotaketheGMATorGRE?TheGraduateRecordExaminationD○R(GRED○R)andtheGraduateManagementAdmissionsTestD○R(GMATD○R)arebothacceptedexamsthatarerecommendedbutnotrequired.5.Mytranscriptsare