江西省铅山一中、横峰中学2023-2024学年高三第五次模拟考试英语试卷含解析_第1页
江西省铅山一中、横峰中学2023-2024学年高三第五次模拟考试英语试卷含解析_第2页
江西省铅山一中、横峰中学2023-2024学年高三第五次模拟考试英语试卷含解析_第3页
江西省铅山一中、横峰中学2023-2024学年高三第五次模拟考试英语试卷含解析_第4页
江西省铅山一中、横峰中学2023-2024学年高三第五次模拟考试英语试卷含解析_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

江西省铅山一中、横峰中学2023-2024学年高三第五次模拟考试英语试卷注意事项: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.—Whatdidshewanttoknow,Tom?—Shewondered_______wecouldcompletetheexperiment.A.whenwasit B.itwaswhenthatC.itwaswhen D.whenitwasthat2.—Fionaneverfailstograspanychanceofpromotion.—She’sawomanof________.A.ambition B.attentionC.expectation D.reputation3.ThedifferenceinthicknessandweightfromtheearlierversionmakestheiPad2morecomfortable_______.A.held B.holding C.beheld D.tohold4.Thatstudentadmittedinthemathexam,thathewouldneverdothatagaininthefuture.A.tohavecheated,promising B.cheating,promisedC.tocheating,promised D.havingcheated,promising5.Somepeoplecreatejobs,fosterexcitementandbasicallymakethesystemwork.Theyseepossibilities________othersseeonlyproblems.A.that B.what C.which D.where6.----TheysayPhilip’sbrotherisabillionaire.----____________?Hewouldn’tacceptanyhelpfromhisbrother,evenifitwereoffered.A.WhatifB.WhatforC.SowhatD.Forgetit7.Scientistshaveintroducedanewmodelof3Dprinter,______differsfromtheexistingonesincertainaspects.A.as B.which C.who D.that8.I’msurethatyourletterwillget_____attention.Theyknowyou’rewaitingforthereply.A.continued B.immediate C.careful D.general9.—Whyareyousolate?—Thedrivercouldn’tseeclearlybecauseofthefog.____,theroadwastooicy.A.Therefore B.Otherwise C.However D.Besides10.Ihopethatwewillbeabletomakeitthroughthetoughtimesandbacktothebusinessofworkingtogether________ourcommongoals.A.onbehalfof B.inhonorof C.ontopof D.insearchof11.Ifthenewsafetysystem_______touse,theaccidentwouldneverhavehappened.A.hadbeenput B.wereput C.shouldbeput D.wouldbeput12.Thisproject______consideredthoroughly,andI’msureit______finishedontime.A.mustbe;maybe B.shouldbe;canbeC.maybe;mustbe D.canbe;shouldbe13.She________tosomeoneonthephone,soIjustnoddedtoherandwentaway.A.talked B.hastalkedC.hadtalked D.wastalking14.Thepartylastmonthreallygavemealotoffun.Socanwehavethismonth,Mr.James?A.any B.one C.another D.theother15.ItwasluckythatlittleJackwasnotathomewhenthefirebrokeout;otherwise,hehislife.A.hadlost B.wouldlose C.wouldhavelost D.mightlose16.China'sBeidouNavigationSatelliteSystemhasstartedprovidingglobalservices,________tobecomecompletearound2020.A.beingscheduled B.scheduled C.toschedule D.scheduling17.—WhatisyourimpressionofyourformercolleagueNick?—He’shelpful,andhe________giveusahandatwork.A.must B.wouldC.may D.should18.Insomecountries,peopleeatwithchopsticks,whilein________,knivesandforks.A.another B.otherC.others D.theother19.Asisknown,itwasHuJintao,_______presidentofournation,whogave________lectureattheceremonyofNationalDayA.the;a B.the;/ C.a;the D./;a20.Localslivedinrather________conditionsuntilthefoundingofthePeople’sRepublicofChinain1949.A.precious B.primitiveC.precise D.prior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)Sportscanhelpusalot.Takingexercisescanmakeusstrong.Incollective(集体的)sportslikebasketball,volleyballorfootball,wewilllearntheimportanceofcooperation(合作).Andsportscanalsohelpusrelaxafterworkorstudy.However,asthesayinggoes,“therearetwosidesofeverything.”Sometimeswemayhurtotherplayersorourselvesifwearenotcarefulenoughwhenparticipating(参加)insportsactivities.What’smore,toomuchorhardpracticecanbebadforourhealth.Sportscanmakeushealthybothphysicallyandpsychologically(心理地).Itisalsoagoodwayforpeopletoknoweachotherandcanimprovefriendshipbetweenpeople.Solongaswearecarefulenough,sportscandousnothingbutgood.1、canmakeusstrong.A.SleepingB.SingingC.MakingfriendsD.Takingexercise2、Toomuchexercisecanbeforus.A.goodB.enoughC.badD.helpful3、Sportscan.A.helppeopletoknoweachotherB.improvefriendshipbetweenpeopleC.dousnothingbutgoodifwearecarefulD.Alloftheabove4、WhichofthefollowingisNOTtrue?A.Sportscanhelpusrelaxafterworkorstudy.B.Sportscanonlymakeushealthyphysically.C.Sometimeswemayhurtotherplayersorourselveswhenparticipatinginsportsactivities.D.Basketballandvolleyballarebothcollectivesports.22.(8分)PTSD(战后创伤)issadlyacommonaffliction(折磨)formanysoldierswhohavewitnessedconflict,aninvisiblewoundthatcontinuestocauseincrediblesufferinglongafterthegunshavefallensilent.“Alotofuscomehomewithoutrealizingwearebringingthewarhomewithus,"saidJoshMarino,aveteran(退伍兵)oftheIraqwarwhosufferedtheeffectsofPTSDofsuicide.“ididn’twanttodealwithitanymore,”Marinosaid.Hewroteagoodbyenote,grabbedaknifeandwentoutsideforafinalcigaretteintherain.Butthen,fromthedeepestdepthofdespaircamehope.Meowingoutofthebushesnexttohimcameastrayblackandwhitekitten(小猫)which,accordingtoMarino,“justwalkedupandstartedrubbingupagainstmylegandletmepethim.IcametolifeagainandIbrokedowncrying.Iburstintotears.”Fromthisaccidentalencountereverythingchanged.Marinofoundanewpurposeinlifethroughthefriendlycat,whohenamedScout,andwhohecreditswithsavinghislife."Istoppedthinkingaboutallmyproblems,andstartedthinkingaboutallhisproblems,andwhatIcoulddotohelphim,"Marinosaid.Thebondbetweenthemwasinstant,butthatwasn'ttheendofthestoryMarinohasmadeavideoofhisandScout'sremarkablestoryofhealingandheartbreakwhichyoucanwatchontheInternet.Thestoryisdedicatedtoshowinghowanimalscanhelphumansthroughtoughtimes,aswellashumanscanhelpthem.Itisabeautifulstorythatissuretotugatyourheartstrings,showingjusthowpowerfulthebondbetweenhumansandanimalscanbe.Weloveit,andwehopeyoudotoo!1、Whatcanwegetfromthefirsttwoparagraphs?A.TakingpartintheIraqwarhadbadeffectsonJoshMarino.B.JoshMarinowoundedbadlyduringtheIraqwar.C.PTSDisakindofdiseasewhichcannotbecurednow.D.PTSDusuallyhappensafterthesoldiersdroptheirguns.2、WhydidJoshMarinosuddenlyburstintotearsaccordingtothepassage?A.Hejustcouldn’thelpcrying.B.Thelittlecatgavehimhopetotreasurelife.C.Thewildlittlecatattackedhimsobadly.D.Hesuddenlyrealizedthatthecatcametohelphimonpurpose.3、Whatisthebesttitleforthepassage?A.PTSD-adiseasecuredbyasoldier.B.Themanandthecat.C.Arescuebetweenasoldierandacat.D.Howcanacatbeusedtostopsuicide.23.(8分)Youknowthosenutritionguidelinesthegovernmentissueseveryfewyears?Itturnsoutthatfollowingthemisn'tjustgoodforyourhealth.It'sgoodfortheplanet,too.“Whatwefoundisthatimpactsvaryacrossnations,butinthehigh­impactnations,ingeneral,youcanseethat,ifyoufollowanationallyrecommendeddiet,despitethefactthatthesedietsdon'tmentionexplicitly—ormostofthemdon'texplicitlymention—environmentalimpacts,thatyouaregoingtohavelowerenvironmentalimpactsduetothat.Sothat'ssortoffairlyclearacrossallthehigh­incomenations.”saidPaulBehrens,anenvironmentalscientistatLeidenUniversityintheNetherlands.Thefoodweeattakesabigtollontheenvironment.Athirdoftheice­freelandonEarthisusedforagriculture,andaccordingtosomeestimates,producingfoodaccountsforroughlyafifthofallhuman­causedgreenhousegasemissions.Fertilizerrunoffalsoleadstootherproblems,likethealgaebloomsinLakeEerieandtheDeadZoneintheGulfofMexico.However,followingdietaryguidelineswouldreducethoseimpacts,especiallyinwealthycountriesliketheUS.“Mostofthereductionscomefrommeatanddairy,”whichhaveanoutsizedimpactonlanduseandpollution,andareamajorsourceofgreenhousegases.(That'spartlyduetocowfarts.Seriously.)Followingthesuggestionswouldalsomeaneatingfewercalories,sincemanypeoplehereeatmorethantheyneed.Overall,inhigh­incomecountries,Behren'steamestimatesthatfollowingtherulescouldresultinasmuchasa17percentreductioninlanduse,a21percentreductioninnutrientpollution,anda25percentdropinagriculturalgreenhousegasemissions.Cuttingdownonhowmuchfoodwewaste—whichisroughlyathirdintheUS—couldhelpevenmore.TheresultsareintheProceedingsoftheNationalAcademyofSciences.Ofcourse,peoplearenotoriouslybadatfollowingdiets.But:“Thesenationallyrecommendedguidelinesdoactuallyhaveaknock­oneffectonotherareasofpolicymaking.SoifI'mdevelopinganewhealthy­eating­for­schoolsprogramthenthat'sgoingtobebasedoffalotofdetailthatIgetfromthenationallyrecommendedguidelines.Sowhileitmightnotnecessarilybethecasethatpeoplefollowdirectly…theyactuallyarequiteinfluentialonthepreparationofotheradvice.”Itseemsthatasmallerenvironmentalfootprintandahealthierlifestylecouldgohandinhand.1、WhichofthefollowingstatementwillPaulBehrensapproveof?A.Followinganationallyrecommendeddietcanhavesimilarimpactsindifferentcountries.B.Followinganationallyrecommendeddietcandogoodtoourhealth.C.Notallthecountrieshaverecommendeddietsinanexplicitmanner.D.Somehigh­incomenationsdon'tmentionthedietexplicitlyforitsimpactscanbeignored.2、Whatdotheunderlinedwords“takesabigtollon”inparagraph3probablymean?A.showssignsof B.hasabadeffectonC.takesfulladvantageof D.makesupfor3、WhichofthefollowingisTRUEaccordingtothepassage?A.Foodproductioncanleadtoabout20percentofhuman­causedgreenhousegaswithonlyathirdoftheice­freelandused.B.Itisestimatedthatfollowingdietaryguidelinescanleadtodecreaseinmorelandusethaninnutrientpollution.C.PaulBehrens'newprogramconcerninghealthyeatingforschoolsislikelytobebasedonnationalnutritionguidelines.D.Somewealthycountriestendtoreducemeatanddairythoughtheotherareasofpolicymakingisn'teffectedmuch.24.(8分)EventsatBrown12:00PM—1:00PM,March1,2017"Ihadnoideal"—ExportControlBrownBag(4-partseries)HoraceMannHouse,Room103,47-49GeorgeStreetBrown'sOfficeofResearchIntegrity(ORI)ishostinga4-partBrownBagserieson“ExportControlsattheUniversity”.ExportControlsarefederalgovernmentlawsandregulations.TheserieswillexplorewhenresearchactivitiesfallunderExportControllaws,why“fundamentalresearch”issoimportant,andwhytravelingtosanctioned(被制裁的)orembargoed(被禁运的)countries,suchasIranorCuba,stillpresentsalotofchallenges.Thefirstsession,“Ihadnoidea!”,willexplorewhyexportcontrolscannotbeignoredatauniversitycampus.ThesessionsareopentotheentireBrowncommunity.Bookinginadvanceisrequired:juliane_blyth@4:00PM—5:00PM,March1,2017JCBWeeklyAfternoonTalkJohnCarterBrownLibrary,ReadingRoom,94GeorgeStreetInformalweeklyafternoonpresentationintheMacMillanReadingRoomattheJohnCarterBrownLibrary(JCB).FellowsinResidencewillgiveatalkontheircurrentresearchproject.Q&Asessionfollows,alongwithadisplayofrelevantitemsfromourcollection.Allareinvitedtoattendthisfree,weeklyevent.6:30PM—7:30PM,March1,2017BrowAmateurRadioClubMeetingSaylesHall.Room305,79-81WatermanStreetTheweeklymeetingoftheBrownAmateurRadioClub.Allarewelcometoattendandlearnmoreaboutradioandjointheclub—nolicenserequired!8:00PM-9:00PM,March1,2017AthletesinActionPrimeTimeGatheringPembrokeFieldHouse,449-451BrookStreetJoinyourfellowBrownUniversityathletestolearnmoreaboutfaith,sport,andlife.Throughguestspeakers,teambuildingactivities,andsmallgroupdiscussions,weexploretheintersection(交集)ofthespiritualandthephysicalinordertomaximizeourpotential.WemeeteveryThursday8-9pminPembrokeFieldHouse.Therearenewathletesthatattendeveryweek,andmostlikelyyou'llknowanumberofthemalreadysincetherearemanydifferentteamsrepresented.Hopetoseeyouthere!1、Whicheventcanbebeneficialtothosewhodointernationalresearch?A.“Ihadnoidea!”—ExportControlBrownBagB.JCBWeeklyAfternoonTalkC.BrownAmateurRadioClubMeetingD.AthletesinActionPrimeTimeGathering2、WhatwillthosewhoattendtheJCBWeeklyAfternoonTalkdo?A.MeetatSaylesHall.B.Chargeentrancefees.C.Sharetheirresearch.D.Collectrelevantitems.3、WhatcanyoudointheAthletesinActionPrimeTimeGathering?A.Playbasketballwithnewathletes.B.Discussyourpotential.C.Playgamestodevelopteamwork.D.Watchnewathletesplaygames.4、Wherewouldyoubemostlikelytofindthetext?A.Inatravelguidance.B.Onauniversitywebsite.C.Inanacademicmagazine.D.Inalocalnewspaper.25.(10分)In1938Portugalheldanationalcompetitiontoidentifythecountry'smost''Portuguese”Village.Stickingtoarockypromontory(海角)farabovetheBeiraBaixaplains,Monsantoiseasilythemostimpressive.Soitcameoutontop.Cottages,alotofwhicharemadeofverylargeroundrocks,seemtogrowoutofthemountainitself.Abovethemrisesastonefortress(城堡),partsofwhichpredateeventhearrivaloftheMoors.Andviewsacrosstheplainsare,simplyput,astonishing.SincebeinghonoredasthemostPortuguesevillage,Monsantohasremindedlargelyseparatedfrommodernization.Thesedays,goatsandchickensseemtooutnumberhumansinthevillage.Mostyoungpeopleleaveforlargecitiesandthegrowinginvestmentinthearea’sheritage(遗产)hasnotencouragedmoreattractionsfortheyoungergeneration.Touristswalkingalongthevillage'stinystreetscanseeelderlywomenwalkingandchattingindoorways.Severalhousesnearthevillageentrancearesurprisinglygrand.Halfwaytothecastleyou'llcomeacrossthegruta,acozycaveapparentlyonceusedasapub…andstillusedassuch.Thisstonefortressseemsalmosttohavegrownoutofthehillsidethatsupportsit.It’sawonderfullybeautifulsite,populatedbywildflowers.AlterDomSanchoIdroveouttheMoorsinthe12thcentury,thefortresswasstrengthened.DomDinisimprovedit,butaftercenturiesofattacksfromacrosstheborderitfinallyfellintoruin.Justbelowtheentranceisapublicsquare.TotherightisaruinedRenaissancechurchandbelltower.On3MayMonsantocomesaliveintheFestadasCruzes,rememberingasiege(围困)intheMiddleAges.ThestorygoesthatthestarvingvillagersthrewtheirIasilonelycowoverthewalls,makingtheirenemiesbelievetheyhadplentyoffood,becausetheyimmediatelyabandonedthesiege.Thesedays,younggirlsthrowbasketsofflowersinstead,afterwhichthere'sdancingandsingingbesidethecastlewall.1、WhatisMonsantoliketoday?A.Ithasalotoffarms.B.Itsyouthlovefarming.C.Itspopulationisfalling.D.Ithasbecomemoremodern.2、Whydidtheenemiesendthesiege?A.Theyfelthungry.B.Theyweretricked.C.Theywereattacked.D.Theyfearedthecow.3、Whatdoweknowaboutthefortress?A.Ithaslongbeenusedasapub.B.ItwasfirstconstructedbyDomDinis.C.ThereiscelebrationeveryMaybesideit.D.Youhavetogothroughittoenterthevillage.4、Whatistheauthor'spurposeinwritingthetext?A.TodiscussrurallifeinPortugal.B.Toreportanationalcompetition.C.ToexplainthehistoryofthePortugal.D.Tointroduceauniqueancientvillage.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)The92-year-old,thin,calmandproudlady,movedtoanursinghometoday.Sheisfully1eachmorningbyeighto’clock,2sheisnearlyblind.Herhusbandof70yearsrecentlypassedaway,makingthemove3.Aftermanyhoursofwaiting4inthehallofthenursinghome,shesmiledsweetlywhentoldher5wasready.Asshewalkedslowlytotheelevator,Iprovidedatrue6ofhertinyroom,7theold

sheetsthathadbeenhungonherwindow.“Iloveit,”shestatedwiththe8ofaneight-year-oldhavingjustbeen9withanewpuppy.“Mrs.Jones,youhaven’tseentheroom….just10.”“Thatdoesn’tmatter,”shereplied.“Happinessis11youdecideaheadoftime.WhetherIlikemyroomornotdoesn’tdependonhowthe12isarranged,it’showIarrangedmymind.Ihave

already13toloveit.It’sadecisionImakeeverymorningwhenI14up.Eachdayisagift,and

15myeyesopenI’llfocusonthenewdayandallthehappy16I’vestoredaway.”Shewentontoexplain,“Oldageislikeabank17.Youtakewhatyou’veputin.So,myadvicetoyouwouldbetoputinalotof18inthebankaccountofmemories.Thankyouforyourpartin19

mymemorybank.”Andwithasmile,shesaid:“Rememberthefollowingsimple20tobehappy:Freeyourheartfromhatred,freeyourmindfromworries.Livesimply,givemore,andexpectless.1、A.attendedB.dressedC.observedD.watched:2、A.even

thoughB.asthoughC.onlyifD.incase3、A.difficultB.possibleC.necessaryD.comfortable4、A.eagerlyB.nervouslyC.angrilyD.patiently5、A.dinnerB.clothesC.roomD.service6、A.considerationB.loveC.storyD.description7、A.includingB.containingC.remindingD.offering8、A.curiosityB.terrorC.enthusiasmD.attraction9、A.rewardedB.presentedC.attackedD.awarded10、A.stayB.payC.enjoyD.wait11、A.anythingB.nothingC.somethingD.everything12、A.windowB.furnitureC.appliancesD.bedding13、A.decidedB.reducedC.affordedD.prevented14、A.lookB.ringC.standD.wake15、A.assoonasB.aslongasC.asmuchasD.aswellas16、A.memoriesB.picturesC.wordsD.years17、A.chequeB.officeC.accountD.machine18、A.painB.happinessC.moneyD.fortune19、A.visitingB.enjoyingC.consideringD.filling20、A.rulesB.relationC.regulationsD.laws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)Todaywetalkaboutawordthatisafeelingaswellasaplace.Thiswordis“home.”Longagointhe1700s,“home”wasusedasaverb,1.(mean)“tobeguidedtoadestination.”So,whenyouhomeinonsomething,youget2.(close)toyourtarget.Forexample,youcouldsay,“Policearehominginonthesuspects.”Thatisalsowherewegethomingpigeons-pigeonsthatcanfind3.(they)wayhomeafterbeingreleased.Buttoday,“home”ismoreoftenusedasanoun.Andithasaveryemotional4.(connect)forAmericanEnglishspeakers.Youcanrememberthemeaningofthewordbytheexpression“homeis5.theheartis.”Thatexpressionmeanshomeisanywhereyoufeelloveandcomfort.Itisaplacewhereyoubelong,andoftenaplaceyouconsideryourorigin.Inother6.(word),“home”isnot7.(simple)abuildingwhereyoulive—that’sahouse.Thereisabigdifference8.ahomeandahouse.Thewriter,ThomasWolfe,had9.differentideaabouthome.In1940,hisbook“YouCan’tGoHomeAgain”10.(publish).Todayweusethistitletomeanthattheideasandfeelingsthatyouhadasachildoftenchangewhenyouareanadult.So,evenifyoureturntotheplacewhereyougrewup,timeanddistancehavechangedyourperspective(观点).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。DearRita,I’mgladthatyouwillcompeteinthefinaloftheChineseSpeechContest、Congratulationtoyou!Herearemyadviceonhowtomakegoodpreparationsforyourspeech、First,pickainterestingtopicsothattheaudiencewon’tgetboring、Second,dobroadresearchesonthetopictosatisfytheaudience’shungerforknowledge、ThenwriteyourspeechandturntoyourChineseteachersforhelp,whichadvicewillbebeneficial、Besides,muchattentionshouldbepayingtoyourvoiceorbodylanguage、Trytospeakasfluentaspossible、Inaword,you’dbetterdowhateveryoucanwinthecontest、Wherethereisawill,thereisaway、Lookingforwardtohearingfromyourgoodnews、Yours,Joana第二节书面表达(满分25分)29.(25分)说明:我国某山城张各庄为开放单位。请用英语为来访外宾写一篇简单介绍。内容要求如下:1.背景:张各庄(ZhangGeZhua

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