湖南省凤凰县凤凰皇仓中学2025年高三下学期第一次诊断性考试英语试题试卷含解析_第1页
湖南省凤凰县凤凰皇仓中学2025年高三下学期第一次诊断性考试英语试题试卷含解析_第2页
湖南省凤凰县凤凰皇仓中学2025年高三下学期第一次诊断性考试英语试题试卷含解析_第3页
湖南省凤凰县凤凰皇仓中学2025年高三下学期第一次诊断性考试英语试题试卷含解析_第4页
湖南省凤凰县凤凰皇仓中学2025年高三下学期第一次诊断性考试英语试题试卷含解析_第5页
已阅读5页,还剩9页未读 继续免费阅读

下载本文档

版权说明:本文档由用户提供并上传,收益归属内容提供方,若内容存在侵权,请进行举报或认领

文档简介

湖南省凤凰县凤凰皇仓中学2025年高三下学期第一次诊断性考试英语试题试卷考生请注意:1.答题前请将考场、试室号、座位号、考生号、姓名写在试卷密封线内,不得在试卷上作任何标记。2.第一部分选择题每小题选出答案后,需将答案写在试卷指定的括号内,第二部分非选择题答案写在试卷题目指定的位置上。3.考生必须保证答题卡的整洁。考试结束后,请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.语音知识(共5小题;每小题l分,满分5分)从A、B、C、D四个选项中,找出其划线部分与所给单词的划线部分读音相同的选项。并在答题卡上将该项涂黑。2..Whenhegoesout,heoftenwearssunglasses_______nobodycanrecognizehim.A.sothat B.nowthat C.incase D.asthough3.Excuseme,wherecanIgetmycarfilledup?Therearegasstationsat________endoftheblock.A.both B.neitherC.either D.all4.Theywillrunanafter-classclub__________kidscanhavefunandlearnhowtoprotectthemselves.A.that B.when C.where D.what5.Asyoucansee,thenumberofcarsonourroads________risingthesedays.A.waskeeping B.keepC.keeps D.werekeeping6.Thecompanyandtheeffectbroughtaboutdidgreatgoodtoourbusinessinthemarket.A.it B.whichC.that D.what7.—WhichclassicalChinesepoemdoyoulikebest?—Don’tlaughifwelaydrunkenonthebattleground;howmanysoldiersevercameback______.A.oldandyoung B.upanddown C.safeandsound D.rightandwrong8.Therearemanyfamousculturalrelicsinourcountry,many_______thousandsofyearsago.A.datingbackto B.datebacktoC.datedbackto D.weredatedbackto9.—PityyoumissedGeorge'swedding.—Well,I________.A.haven'tbeeninvitedB.wouldn'tbeinvitedC.hadn'tbeeninvitedD.amnotinvited10.HadMarynotbeenhurtinthecaraccident,________thenextweek’smarathon.A.shewouldrun B.shewouldhaverunC.shewillrun D.shemusthaverun11.Acceptanceisnotaboutlikingasituation.Itisaboutacknowledgingallthathasbeenlostand________tolivewiththatloss.A.learning B.learnedC.tolearn D.havinglearned12.IthinkAna______herpackingsinceshestartedgettingthingsreadyearlythismorning.A.finishesB.hasfinishedC.hadfinishedD.wouldfinish13.Youwon’tfindpapercuttingdifficult_____youkeeppracticingit.A.evenifB.aslongasC.asifD.eversince14.Afterheconsultedwithhisprofessor,anideawasbeginningto____________inhismind.A.payoff B.takeshapeC.workout D.makeup15.High­speedtrainswhichtravelthroughmyhometown________upto250kmperhourmakeitasmallworld.A.with B.againstC.at D.over16.______exactlywhatwaswrongwithhim,thedoctorsgavehimacompleteexamination.A.TodiscoverB.DiscoveringC.DiscoveredD.Havingbeendiscovered17.Accordingtothelocallaw,noone______enterthebuildingsitewithoutpermission.A.canB.mustC.shallD.dare18.—Wewouldappreciateitifyoucouldstayforlunch.—Sorry,I.Ihaveanotherappointment.A.won’t B.shan’t C.can’t D.mustn’t19.Quantitiesofsoil________inthearea,resultingintheincreasingnumberofnaturaldisasters.A.iswashedawayB.havewashedawayC.havewashedawayD.havebeenwashedaway20.Thegeneralsecretarystressedthatwhathehadjustsaidwasonlyhis_________view,notofficialintentions.A.private B.separate C.personal D.single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)ProtectionPublicationsConsumeHealth:AGuideToIntelligentDecisionsEightsoftcovereditionofleadingcollegetextcoveringallaspectsofbasichealthstrategyforconsumers.Thisneweditionofthemostcomprehensivetextavailableinthefieldcontinuestoprovideavastamountofinformationtoenableconsumerstomakewisechoicesregardinghealthproductsandservices.ByStephenBarrett.608pages,$23.00Chiropractic(手疗法):TheGreatestFalseWarningOfTheCentury?L.A.Chotkowskidescribesdiscoveriesmadeduringhishalf-centuryofmedicalpractice.Itincludesreportsofcases;theauthor’sobservationsatNewChiropracticCollege,achiropracticoffice,andachiropracticlecture;anddetailsofcriticalreportsinthemedia.Secondedition,softcover,209pages,$15.TheWholeToothThefundamentalguidetoprotectingyourdentalhealthandyourpocketbook.Itcoverspreventivecare,findingagooddentist,dentalrestoring,cosmeticdentistry,dentalquackery(治疗)andfraud(假牙),anddentalinsuranceprograms,includingmanagedcare.ByMarvinJ.Schissel,andJohnE.Dodes.Softcovr,284pages,$10.QuackeryAndYouThe32softcoverbrochurewithspecialviewpointsbyWilliamJarvis,Ph.D.,suitableforwaitingrooms.$1.Toaboveprices,pleaseadd$3forthefirstbookand$1foreachadditionalbookforpostage&handing.Foreigncountriesadd$5perbook.SendorderstoQuackwatch,P.O.Box1747,AllenAvenue,NY18105.ThechecksmustbeinUSdollars.Wecannotprocesscreditcardorders.Pleaseuseourorderformfromandyoucangetmoreinformationfromit.1、ACanadianwantstobuyallthefourbooksandheshouldpay__________.A.$69inall B.$49intotalC.bycreditcard D.inCanadiandollars2、Fromthetext,welearnthat______________.A.ThemeansofcoverpackingofthebooksaredifferentB.QuackeryandYouisdesignedforthosewaitingtoseethedoctorC.ConsumerHealthincludesmuchinformationoncriticalreportsD.L.A.Chotkowskiprovidesyouwithallofyourdentalneeds3、Whatcanyoudotosearchformoreinformationaboutthebooks?A.Buythebrochure B.WritetotheauthorC.Telephonethesellers D.Visit22.(8分)Photographyhasopenedoureyestoamultitudeofbeauties,thingsweliterallycouldnothaveseenbeforetheinventionofthefrozenimage.Ithasgreatlyexpandedournotionofwhatisbeautiful,whatisaesthetically(审美上)pleasing.Itemsformerlyconsideredtrivial,andnotworthanartist'spaint,havebeenrevealedandhonoredbythephotograph:thingsasordinaryasafencepost,achair,avegetable.Andastechnologyhasdeveloped,photographershaveexploredcompletelynewpointsofview:thoseofthemicroscope,theeagle,thecosmos.Whatisitthatdelightsthehumaneyeandallowsustoclaimthataphotographisbeautiful?Photographydependsonthetrinityoflight,composition,andmoment.Lightliterallymakestherecordingofanimagepossible,butintherighthands,lightinaphotographcanmaketheimagesoar.Thesameistruewithcomposition.Whatthephotographerchoosestokeepinoroutoftheframeisallthatwewilleversee-butthatcombinationisvital.Andthemomentthattheshutterispressed,whenaninstantisfrozenintime,providesthewholeimagewithmeaning.Whenthethree-light,composition,andmoment-areinbalance,thereisvisualmagic.Light,composition,andmomentcometogetherinaphotographtobringustheultimatereality:aviewoftheworldunknownpriortotheinventionofthecamera.Beforephotography,thebasicartisticrulesofpaintingwererarelybroken.Imagesweremadetoplease,nottocapturereality.Butasphotographyevolved,painterlyruleswereoftenreactedinthepursuitoffreshvision.Photographersbecameinterestedintherealworld,goodandbad,anditwastheaccidentaldetailthatwascelebrated.Photographyinvitedtheworldtoseewithneweyes-toseephotographically-andalloftheartshavedrawnnewinspirationfromthischange.Withthesebasicaesthetictools,photographershaveevolvedfromscientistslongingto“fix”animage—anyimage—toartisticrevolutionaries.Photographshavecreatedanewwayofseeing,changedourideasofbeautyand,mostimportantly,madeartmoredemocratic.Theyhavegivenusvisualproofthattheworldisgranderthanweimagined,andthatthereisbeauty,oftenoverlooked,innearlyeverything.1、Beforetheinventionofphotography,whichofthefollowingwasleastlikelytoappearinanartisticwork?A.Agreatperson.B.Alovelyinsect.C.Agrandbuilding.D.Abeautifullandscape.2、Whatisthefunctionofparagraph2?A.Toarguethatphotographicbeautyissubjective.B.Toexplaintheevolutionoftheconceptofbeauty.C.Todescribetheelementsthatmakeasuccessfulphoto.D.Toillustratedifferenttypesofphotographictechniques.3、Howhasphotographyaffectedotherartforms?A.Ithasreducedtheirpopularity.B.Ithasforcedthemtochangetheirrules.C.Ithaschangedtheirmethodsofcomposition.D.Ithasprovidedthemwithnewpointsofview.4、Whatdoestheauthormeanbysayingphotographyhas“madeartmoredemocratic"?A.Ithasexpandedtheconceptofartisticbeauty.B.Ithaschallengedthestatusoftraditionalartforms.C.Ithasenabledthedevelopmentofnewartistictools.D.Ithasallowedmorepeopletotakepartincreativeactivities.23.(8分)RidingSchool:Youcanstarthorse-ridingatanyage.Chooseprivateorgrouplessonsanyweekday.Thereare10kilometersoftracksandpathsforleisurelyridesacrossfarmlandandopencountry.Youwillneedaridinghat.OpeningHours:MondaythroughFriday:9:00a.m.-8:30p.m.(3:30p.m.onSaturdays)Phone:(412)396-6754Fax:(412)396-6752SailingClub:OurYoungSailor'sCourseleadstotheStage1Sailingqualification.Youwilllearnhowtosailsafelyandthecoursealsocoverssailingtheoryandfirstaid.Havefunwithothercoursemembersafterwardsintheclubroom.Thereare10weeklytwo-hourlessons.OpeningHours:Tuesdays:6:00p.m.-8:00p.m.Phone:(412)396-6644Fax:(412)396-6644DivingCentre:Ourexperiencedinstructorsofferone-monthcoursesindeep-seadivingforbeginners.Therearetwoeveninglessonsaweek,inwhichyoulearntobreatheunderwaterandusetheequipmentsafely.Youonlyneedswimmingcostumeandatowel.Reducedratesforcouples.OpeningHours:MondayandFriday:6:30p.m.-8:30p.m.Phone:(412)396-6312Fax:(412)396-6706MedicalCenter:ThestaffoftheMedicalCenteraimtoprovideconvenientandcomprehensivemedicalcaretostudentsandstaffoftheuniversity.Thecenteriswellequippedandthestaffherearetrainedtodealwithabroadrangeofmedicalproblems.Bothfemaleandmaledoctorsaswellasnursingstaffareavailableforconsultation.Also,allkindsofmedicinesaresoldhereandarecheaperforstudentsthanotherdrugstores.OpeningHours:24hoursfromMondaytoSundayPhone:(412)396-6649Fax:(412)396-6648WatersportsClub:Weuseatwo-kilometerlengthofriverforspeedboatracing,andwater-skiing.Abeginners’courseconsistsoften20-minutelessons.Youwilllearntohandleboatssafelyandconfidently,butmustbeabletoswim.Theclubisinaconvenientcentralpositionandisopendailyfrom9a.m.to4p.m.,withlessonsallthroughtheday.OpeningHours:MondaythroughFriday:9:00a.m.-4:00p.m.Phone:(412)396-6899Fax:(412)396-68901、Ifyouwanttoswimandenjoyactivitieswhicharefastandabitdangerous,youshouldjoin________.A.DivingCentre B.RidingSchoolC.WatersportsClub D.SailingClub2、Ifyouwanttoexperienceanewactivityinthecountrysideinthemornings,youmayfax____.A.(412)396-6752 B.(412)396-6648C.(412)396-6890 D.(412)396-67063、Ifyouareplanningtoexploretheoceandepths,youshouldattendyourlessonsat________.A.MondaythroughFriday:9:00a.m.-8:30p.m.B.24hoursfromMondaytoSundayC.Tuesdays:6:00p.m.-8:00p.m.D.MondayandFriday:6:30p.m.-8:30p.m.4、WhichisNOTtheconveniencethattheMedicalCenterprovides?A.Welltrainedstaffmembers.B.Nurseryfornewly-bornbabiesC.Goodequipment.D.Variouslessexpensivemedicines.24.(8分)Haveyoueverspentanafternooninthebackyard,maybegrillingorenjoyingabasketballgame,whensuddenlyyounoticethateverythinggoesquiet?Thereisanoldphrase“calmbeforethestorm”,oftenusedinasituationaquietperiodjustbeforeagreatactivityorexcitement.Accordingtoourownexperience,weknowthereisactuallycalmbeforethestorm.Butwhatcausesthiscalm?Andisitalwayscalmbeforethestorm?Aperiodofcalmhappensinaparticularkindofstorm,thesimplestkindofstormasingle-cellthunderstorm.Inthistypeofthunderstorm,thereisusuallyonlyonemainstreamofcurrent,whichiswarm,dampairanddrawnfromplacesneartheground.Stormsneedwarmanddampairasfuel,sotheytypicallydrawthatairinfromsurroundingenvironment.Stormscandrawintheairthatfittheirneedfromalldirections—evenfromthedirectioninwhichthestormistraveling.Asthewarm,dampairispulledintoastormsystem,itleavesalow-pressurevacuum(真空)comingafter.Therisingairmeetsthecolddryairthathasalreadyexistedinthestormclouds,thusthetemperatureofthewarm,dampairdrops,andthewatervaporinitchangesintotinydropsthatareapreconditionofrain.Thesedropsaccumulateandbuildonlargerparticles(颗粒)likedust,untiltheygrowlargeenoughtoformraindrops.Thiswarm,dampairkeepsmovingupwards,butitbecomescooleranddrierduringitstripthroughcloud.Whenitreachesthetopofthecloud,theairissqueezedoutatthetop.Thisairissentrollingoutoverthebigthunderclouds.Fromthere,theairgoesdown.Warmanddryairisrelativelystable,andonceitcoversaregion,thatair,inturn,causesthecalmbeforeastorm.Mostthunderstorms,though,don'tstartwithcalm.That'sbecausemostareactuallygroupsofstormswithcomplexwindpatterns.There'ssomuchairmovingupanddownstormgroupsthatthecalmbeforethestormneverhappens.Instead,beforethestorm,itmightbereallywindy!1、Whichbestfitsthedescriptionofaparticularkindofstorm?A.Athunderstormwithasingleshape.B.Athunderstormwithoutstrongwinds.C.Astormwithairdrawnfromeverydirection.D.Astormfueledbymovingairfromtheground.2、Whatdoestheunderlinedword“it”inParagraph3referto?A.Warmandwetair. B.Warmanddryair.C.Coldandwetair. D.Coldanddryair.3、Whichdoesthewritermostlikelyagreeto?A.Presenceofthecalmreliesonstableair.B.Allthunderstormsdon’tstartwiththecalm.C.Thedriertheairis,thebiggerthestormwillbe.D.Stormhappenswithoutairmovingupanddown.4、Whatisthepassagemainlyabout?A.Abriefintroductionofapeacefulstorm.B.Apersonalexperienceofaheavystorm.C.Anexplanationofthecalmbeforeastorm.D.Ananalysisofcausesandeffectsofastorm.25.(10分)阅读下列短文,从每题所给的四个选项(A、B、C和D)中,选出最佳选项。WistheUK’sbiggestandbestonlineguidetotheperformingartsincludingtheatre,opera,classicalmusic,danceandsoon.◆TheLionKingMusical:ThestageadaptationoftheDisneyfilmtakenfromanoriginalAfricanstory.Ayoungliongrowsupandlearnsthattakingoverthepriderequireswisdomandmaturity(成熟).Place:LyceumTheatre,WellingtonStreet,LondonTelephone:08702439000Date:Friday,18Nov.2015Ticketprice:£37.5◆OliverMusical:Dickens’storyofaboyinaLondonworkhouseandhisadventuresonthewaytohisfamily.Thesongsinclude“Foodgloriousfood”,“You’vegottopickapocketortwo”,“Whowillbuythiswonderfulmorning”,“Iamreviewingthesituation”and“Consideryourselfathome.”Place:TheatreRoyal,CatherineStreet,LondonTelephone:02074945061Date:Thursday,17Nov.2015Ticketprice:£25,butnowsave20%◆JerseyBoysMusical:IttellsthestoryofFrankieValliandtheFourseasons:theblue-collarkidsfromNewJerseyformedasinginggroupandbecamefamous.Themusicalfeaturesmanyofthegroup’spopularsongssuchas“Biggirlsdon’tcry”,“Oh,whatanight”and“Can’ttakemyeyesoffyou”.Place:PrinceEdwardTheatre,OldComptonStreet,LondonTelephone:08708509191Date:Saturday,19Nov.2015Ticketprice:£22.5◆AllsWellThatEndsWellPlay:Aromanticstory.Helena,daughterofapoorphysician,lovesBertram,sonofaCountess(女伯爵).Place:Shakespeare’sGlobeTheatre,ParkStreet,LondonTelephone:02074019919Date:Sunday,20Nov,2015Ticketprice:£40.51、IfMaryisavailableonFriday,whichofthefollowingshouldshecalltobuyaticket?A.08708509191 B.02074945061C.08702439000 D.020740199192、Ifyouwanttobuyaticketatadiscount,youshouldgoto________.A.Shakespeare’sGlobeTheatreB.LyceumTheatreC.PrinceEdwardTheatreD.TheatreRoyal3、Whatisthemainpurposeofthetext?A.ToshowtheimportanceofWB.Togivesomeinformationabouttheperformingarts.C.TointroducesomefamousEnglishtheatres.D.Toteachreadershowtousetheonlineguide.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)Youmusthaveheardthesewordslikehowhappyitistobeachild.Butwouldyou1changeplaceswithachild?Thinkoftheyearsatschool:theyears2livinginconstantfearofexaminationsandschool3.Everymovementyoumake,everythoughtyouthinkis4bysomeadults.Thinkofthe5youhadtogotobedearly,youhadtoeat6thingthatwassupposedtobegoodforyou.Remember7“gentle”pressurewasgiventoyouwithwordslike“Ifyoudon’tdoasIsay,Iwill…”.I’msureyouwillneverforget!8theseareonlypartofchild’s9.Nomatterhowkindandlovingparentsmaybe,childrenoften10fromsometerribleandillogical11sincetheycan’tunderstandtheworldaroundthem.Theyoftenhavesuchfearsinthedarkorinthedream.Adultscan12theirfearswithotheradults13childrenhavetofacetheirfearsalone.Butthemost14partofchildhoodisaperiodwhenyou15togooutofit,theperiodwhenyougointoadolescence(youth).Teenagersstarttobe16theirparentsandthiscausesthemgreat17.Thereisacompletelackofself-confidenceduringthistime.Adolescentspaymuchattentiontotheir18andtheimpressiontheymakeonothers.Theyfeelshy,awkwardandclumsy(笨拙的).Feelingsarestrongandhearts19broken.Teenagers20momentsofgreathappinessorblackdespair.Andthroughthisperiod,adultsseemtobemoreunkindthanever.1、A.willing B.unhappily C.friendly D.honestly2、A.spent B.taken C.had D.devoted3、A.results B.exercises C.reports D.teachers4、A.observed B.seen C.known D.watched5、A.years B.times C.evenings D.days6、A.helpful B.harmful C.hateful D.delicious7、A.what B.why C.that D.how8、A.Though B.Evenso C.But D.Therefore9、A.difficulties B.life C.trouble D.fears10、A.gain B.suffer C.receive D.get11、A.troubles B.fears C.diseases D.worries12、A.enjoy B.deliver C.share D.break13、A.while B.when C.so D.however14、A.exciting B.interesting C.painful D.forgettable15、A.have B.need C.remember D.begin16、A.dislike B.beagainst C.cheat D.befor17、A.unhappiness B.interests C.happiness D.determination18、A.confidence B.patience C.appearance D.action19、A.really B.truly C.naturally D.easily20、A.pass B.experience C.face D.take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)TheIsleofManliesintheIrishSea,betweenthenorthofEngland1.IrelandIt2.(become)separatedfromBritainandIrelandby6500BC.Itisa3.(self-govern)dependency(属地)ofBritain,anditsparliament4.(date)backtoVikingtimesoverathousandyearsvillage5.Thereare22localauthoritiesontheIsleofMan,consisting6.4town,2district,2villageand14parishauthoritiesHowever,theBritishgovernmenthasfinalauthorityandtheQueenisHeadofStateTheIsleofManhas7.owncurrencyandaverylowrateoftax,soitispopularwithrichpeopleandbanksandfinancialbusinessesRoad-racingisverypopularandattracts8.(thousand)ofvisitors,especiallytothemotorcycleracesinMayandJuneAtypeofcat9.(find)ontheisland,called“Manx”cat,isfamousforhavingnotailThe10.(office)symboloftheIsleofMan,usedontheflag,isacirclewiththreelegsattached第四部分写作(共两节)第一节短文改错(满分10分)28.(10分)注意:1.每句不超过两个错误;2.每处错误及其修改均仅限一词;3.只允许修改10处。MynameisAlice,andIliveinBeijing.I’mnothappilyeveryday.Myparentsalwaystellme,”Youcan’tdothat!Youhavetodothis!”Therearetoomuchrulesatmyhome.Ihavetogetupearlyat6:00andmakebed.Ican’tlistentomusicwhileeaten.FromMondaytoFriday,Ihavetowalktoschool,somyparentsthinkitgoodforhealthy.ButifIarrivelatelyforschool,myheadteacherwillbeangry.SoIoftenfeeltiredwhenIreachtoschool.Onweekends,IhavetofinishmyhomeworkafterIcanwatchTV.Theserulesmakemestressout1needmoretimetoplayandrelax.WhatshouldIdo?第二节书面表达(满分25分)29.(25分)假如你是广州电视台“科技博览”节目的编辑,每周你们栏目要向观众介绍一项科技发明。本周你们栏目要用英语向观众简要介绍手机。请你为栏目主持人准备一篇英文稿,内容必须包括:1.手机被视为大发明的原因;2.现在手机的主要功能;3.你认为未来的手机会……。要求:1.词数150左右;2.开头已经为你写好,不计入总词数。ThisisGZTV,ScienceandTechnologyView.Wearenowontheairwitha45­minuteregularprogramtobringyouabiginvention—cellphones.______________________________________________________________________________________________________________________________________________________________________________________

温馨提示

  • 1. 本站所有资源如无特殊说明,都需要本地电脑安装OFFICE2007和PDF阅读器。图纸软件为CAD,CAXA,PROE,UG,SolidWorks等.压缩文件请下载最新的WinRAR软件解压。
  • 2. 本站的文档不包含任何第三方提供的附件图纸等,如果需要附件,请联系上传者。文件的所有权益归上传用户所有。
  • 3. 本站RAR压缩包中若带图纸,网页内容里面会有图纸预览,若没有图纸预览就没有图纸。
  • 4. 未经权益所有人同意不得将文件中的内容挪作商业或盈利用途。
  • 5. 人人文库网仅提供信息存储空间,仅对用户上传内容的表现方式做保护处理,对用户上传分享的文档内容本身不做任何修改或编辑,并不能对任何下载内容负责。
  • 6. 下载文件中如有侵权或不适当内容,请与我们联系,我们立即纠正。
  • 7. 本站不保证下载资源的准确性、安全性和完整性, 同时也不承担用户因使用这些下载资源对自己和他人造成任何形式的伤害或损失。

评论

0/150

提交评论