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
2022-2023学年安徽省淮南市成考专升本英语第二轮测试卷(含答案)学校:________班级:________姓名:________考号:________
一、单选题(20题)1.—TheremustbeadozenpensinthishousebutIcanneverfindonewhenIneedthem.—Keeplooking.______issuretoturnup.
A.OneB.ItC.ThatD.This
2.Thatistheonlywaywecanimagine_______theoveruseofwaterinstudents‘bathrooms.
A.reducingB.toreduceC.reducedD.reduce
3._____cryingsadly,heraisedhisheadandlettearsstreamdownhisfaceonpurposeA.TobeseenB.SeeingC.ToseeD.Havingseen
4.Janehasbrownhair,infact,it'squitesimilarinshade______yours.
A.asB.withC.likeD.to
5.—Hasthewalletbeenreturnedyet?—No,butweexpect______anydaynow.
A.toreturnit
B.ittoreturn
C.ittobereturned
D.itreturned
6.Heistooweakto______theheavybox.
A.riseB.putC.raiseD.arise
7._______manytimes,hefinallyunderstoodtheproblem.
A.ToldB.TellingC.HavingtoldD.Havingbeentold
8.While______ajob,thegraduatestudentgotanoffertostudyabroad
A.appliedforB.applyingtoC.appliedtoD.applyingfor
9.Theyrequiredthatallthenecessarydocuments______tothepresident'sofficebeforetheendofthismonth.
A.behanded
B.mustbehanded
C.shouldhandin
D.hadbeenhandedin
10.Balloonsfloatintheair_________boatsdoonthesea.A.justasB.whenC.thatD.where
11.Thankyouforthe______youdidme.tomovethesofaupstairs.
A.favorB.goodC.helpD.kindness
12.______youmayberight,Ican'taltogetheragree.
A.WhileB.AsC.ifD.Since
13.--Ifyouareofferedatriptothemoon,______it?--Ofcourse.Whynot?
A.didyouaccept
B.areyougoingtoaccept
C.willyouaccept
D.wouldyouaccept
14.Sendmyregardstoyourwifewhenyou__________home.
A.wroteB.willwriteC.havewrittenD.write
15.She'sfainted.Throwsomewateronherfaceandshemay______.
A.comeroundB.comebackC.comeagainD.comeout
16.Icanneverforget______thefamousactressduringhervisittoourschool.
A.havingbeenmetB.tomeetC.tohavemetD.meeting
17.Sicknessdeprivedme______thepleasureofseeingyou.
A.fromB.ofC.outofD.with
18.WewereoverjoyedatthenewsofChina__________anotherman-madesatel1ite.A.startingB.1aunchingC.fightingD.shouting
19.Thescientistsallagreedthatrulesofphysics,______weareallfamiliar,governtheworldA.towhichB.onwhichC.whichD.withwhich
20.tosunlightfortoomuchtime,asthedoctorssay,willdoharmtoone‘sskin.
A.Beingexposed
B.Havingexposed
C.Exposed
D.Afterbeingexposed
二、翻译(10题)21.Internationalstudentscan'tworkwhiletheyarestudyingintheU.S.,sotheymustshowschoolsthattheyhaveenoughmoneyfortuitionandlivingexpenses.
22.Itisknowntoallthatthenewtraderuleswillgointoeffectnextyear.
23.Grandmatookitforgrantedthatfoodpriceswouldrise,sosheboughtalotofrice.
24.ThetraditionalAmericanThanksgivingDaycelebrationgoesbackto1621.
25.Thisbookisdividedintosixteenunitesthandealswithtopicsofeverydayconversation.
26.我相信我的学历和团队工作经历完全符合这一职务的要求。
A.Ibelievemyeducationbackgroundandexperienceinteamworkfitinnicewiththejobrequirements.
B.Ibelievemyeducationbackgroundandexperiencefitinnicelyinteamworkwiththejobrequirements.
C.Ibelievemyeducationbackgroundandexperienceinteamworkfitinnicelywiththejobrequirements.
D.Ibelievemyeducationbackgroundandexperienceinteamworkfitnicelywiththejobrequirements.
27.因为我们的产品在国内外声誉颇佳,所以产品需求量逐年增加。
28.Heonceagainintroducedtoushisgreatknowledge,experienceandwisdom.
29.Asfarasabilityisconcerned,Tomistherightpersonforthejob.
30.MostpeoplewereinfavorofgoingtoShanghaiwhentheywerediscussingwheretospendtheirholidays.
三、书面表达(10题)31.你(LiYuan)丢失了钱包,需要写一个寻物启事。内容包括:
(1)丢失的时间和地点。
(2)描述钱包内外(钱包的颜色、钱包里的东西)。
(3)提供与失主联系的方式。
32.你的朋友(Tom)请你(LiYuan)周末和他一起去承德的家里玩儿,但你有事不能去。请你用英文给他写一封信,内容包括:
(1)感谢他的邀请。
(2)说明不能去的原因。
(3)为不能去表示遗憾。
33.Ⅵ.Writing(25points)Directions:Forthispart,youarcsupposedtowritealetterof100—120wordsbasedonthefollowingsituation.Remembertowriteitclearly.6..写封信给你的朋友Glad,他下周一下午4点将从另一个城市乘飞机来看你,内容包括:(1)不能去机场接站,向他表示歉意;(2)临时要出差(具体内容);(3)告诉他如何从机场来你家;(4)十分欢迎他到你家来。
34.你(LiYuan)和几个朋友约定明天在人民公园野餐。你们的朋友Peter也应邀参加。你给他写封信,内容包括:
(1)说明野餐目的。
(2)说明路线。
(3)说明日期、时间。
35.路边跪着一个学生模样的年轻女子,她面前放着一张纸,上面写着因父母突然病重而退学,希望好心人相助。写一篇短文描述此情景,并说明面对此事你如何做。
36.以某公司的名义写一个竞赛通知。内容如下:
(1)竞赛的名称和内容。
(2)参与对象。
(3)竞赛的时间。
(4)报名的截止日期。
37.Ⅵ.Writing(25points)Directions:Forthispart,youaresupposedtowriteacompositionin100--120wordsbasedonthefollowingsituation.Remembertowriteitclearly.61.一组外国人原打算在我市参观期间去你校看一看,但因临时有事不能去,请对你校布局予以介绍。注意:(1)叙述要有条理,方位清楚,要用一些方位词。(2)题目:OurSchoolYard(3)在文中要提到教学楼,办公楼,试验室,电教中心,图书馆,宿舍,食堂,操场等等。
38.你(LiYuan,TeL:78790765)刚从海边度假回来,对旅行社所定的旅馆及其服务不满意。因此决定给该旅行社的经理写封抱怨信。信的内容包括:
(1)说明不满意的具体事件。
(2)提出改进建议或赔偿要求。
39.写一篇有关压力的文章。内容包括:
(1)压力是什么?
(2)减压的办法。
40.假定你是中国文化知识大赛组委员会主席李华,写信祝贺参赛选手JohnSmith获得本次
大赛一等奖,并通知其以下事项:
1.出席12月10日晚在北京友谊宾馆举行的庆祝晚会。2.赢得了免费中国10Et游。
3.如果能够参加旅游,应将信中所附表格填好,并准备好护照(passport)。组委会将负责
其他相关事宜。
注音.词数为100左右
October17th,2012
DearMr.JohnSmith,
Sincerelyyours,
LiHuaChair
CommitteeoftheChineseCultureContest
四、翻译(20题)41.Quiteafewyoungpeoplenowadayshavethehabitoflisteningtobackgroundmusicwhiledoingtheirhomework.______________________________________________________________________________
42.Fivehundredyearsisarelativelyshortperiodoftime,sowemayassumethatmanwillcontinuetogrowtaller.
43.Thedemandforforeignexchangearisesbecauseacountry'sresidentswanttobuyforeigngoods.
44.Acultureanditslanguagesareasinseparableasbrainandbody;whileoneisapartoftheother,neithercanfunctionwithouttheother.
45.Thisbookisdividedintosixteenunitesthandealswithtopicsofeverydayconversation.
46.ScientistssaythatplantandanimallifeinthousandsoflakesintheUnitedStatesandCanadahasalreadybeendestroyedbyacidrain.
47.Iwouldbegratefulifyoucouldsendmeanapplicationform.andfurtherinformationaboutthesalaryandworkingconditions.
48.Canadianagriculturalproductionkeptupwiththecountry'sdemandandstillhadsurplusesforsaletotheindustrialcentersofEurope.
49.TheprincipalreasonfortheproportionoftelevisionamongUnitedStatesadvertisersisthatitreachesavastnumberofpeopleatthesametime.
50.Todaywestilldistinguish,evenamongrepetitivejobs,betweentheskilledandtheunsailled;butintheyear2020allrepetitionwillbeunskilled.
51.随着燃料价格的上涨,购车者买车的想法正在改变。
A.Withfuelpricesgoingup,carbuyersaregoingtochangetheirideasofbuyingacar.
B.Withfuelpricesgoesup,carbuyersarechangingtheirideasofbuyingacar.
C.Withfuelpricesgoingup,carbuyersarechangingtheirideasofbuyingacar.
D.Withfuelpricesgoesup,carbuyershavechangedtheirideasofbuyingacar.
52.Itisdeterminedthroughteststhattheharmfulsubstancesinafogdroplet,suchasacid,sodium,salt,amine,phenol,dustsandpathogenmicrobes,aredozensoftimesmorethanthatinanormalatmosphericwaterdrop.
53.Suchcrashesarethesecond-leadingcauseofdeathformigratingbirds,afterhabitat(栖息地loss,withanestimatednumberofdeathranginguptoabillionayear.
54.必须采取有效措施来解决空气污染。____________________________________________________________________________
55.Anotherreasonisthat,thankstomodernmedicineandhigherlivingstandard,peoplelivelongernow.
56.TheUnitedStatesGreenBuildingCouncil,anonprofitindustrygroupthatencouragesthecreationofenvironmentallyconsciousbuildings,willintroduceabird-safetycreditthisfallaspartofitsenvironmentalcertificationprocess.
57.Weinsistthatinternationaltradeshouldnotbeaone-waystreet.
58.Hewantstowriteanarticle,whichwillattractpublicattentiontotheairpollutioninthiscity.
59.Bothsoundandnoisecanhavenegativeeffects,butwhatismostimportantisifthepersonhascontroloverthesound.
60.Afterworkinginthecompanyforthreemonths,hehadthelucktobepromoteddeputydirector.
五、阅读理解(5题)61.WhydolocalCantoneselearnMandarin?
A.Forinternationaltrade.
B.Togotothemainland.
C.Forthereintegration.
D.Forthedevelopmentoftheirbusiness.
62.Alaskabelongedto______before1867.
A.RussiaB.AmericaC.CanadaD.Japan
63.Ofalltheoceansintheworld,theIndianOceancontainsmorethan
A.5percentoftheworld'swater
B.15percentoftheworld'swater
C.20percentoftheworld'swater
D.50percentoftheworld'swater
64.
Whichofthefollowingisnottrue?
A.Lightwavesarebeamsoflight.
B.Lightwavescanpenetrateanymaterialsexceptmen'sbodies.
C.Lightwavescanpenetratetransparentmaterials.
D.Lightwavescanpenetratesomematerials.
65.InhowmanyvolumeswasAnAmericanDictionaryoftheEnglishLanguagepublished?
A.Onevolume.B.Twovolumes.C.Threevolumes.D.Fourvolumes.
六、作文(1题)66.Directions:Forthispart,youareallowed30minutestowriteacompositiononthetopic"HowIFi-nanceMyCollegeEducation".Youshouldwriteatleast120words,andbaseyourcompositionontheoutlinegiveninChinesebelow:1.上大学的费用(tuitionandfees).可以通过多种途径解决;2.哪种途径适合于我(说明理由)。
参考答案
1.A解析:根据上文提到“findone”,故下文中也应填one,表示泛指。
2.B
3.A
4.D
5.C
6.C解析:本题考查词义的辨别。rise出现,put放下,raise提起,arise升高。
7.D
8.Dapplyto应用;applyfor申请
9.A解析:本题考虚拟语气在名词性从句中的用法。在“ask(advise,desire,ordersuggest,require,etc。)+the广引导的从句中,谓语动词应用“should+认”,should可以省去,再结合语态,故A项正确。本句大意为:他们要求所有的必要文件都必须在月底之前交到校长办公室。
10.A本句考查两个并列句之间的连接的词。题干的意思是:“气球能够浮在空气中正如船能够浮在海面上一样。”在四个选项中,只有A项的justas有“正如,犹如”的意思。故选A。
11.A解析:favor:帮助,一般用domeafavor;good:好处;help不与do搭配:kindness:善良。故选A。
12.A解析:while意为“虽然”;as意为“因为”;if意为“如果”;since意为“因为”。根据题意选A。
13.D
14.D本题考查时态。
【应试指导】句意:当你写信回家的时候,请代我向你的妻子问好。在时间状语从句中用一般现在时代替一般将来时。
15.A解析:句意:她昏倒了。给她脸上浇些水,或许她会醒过来。本题考查词组辨析。comeround:过访,绕道而来,苏醒过来;comeback:回来,恢复;comeagain:再说一遍,重复一遍;comeout:出来,传出。
16.D解析:forgetdoingsth.忘了已做过某事。注意区别forgettodosth。忘了而没有做某事。
17.B解析:本题考查动词固定搭配的用法。deprive后常接介词of,表示剥夺什么。
18.Blaunch为“发射”讲;其余为干扰项。
19.D
20.A
21.外国学生在美国读书期间不能打工因此他们必须向学校表明有足够的钱来支付学费和生活费.外国学生在美国读书期间不能打工,因此他们必须向学校表明有足够的钱来支付学费和生活费.
22.众所周知新贸易规则将于明年开始生效。众所周知,新贸易规则将于明年开始生效。
23.(奶奶理所应当的认为食品价格肯定会上涨,所以她买了很多大米)
24.传统的美国感恩节庆祝活动可追溯到1621年。传统的美国感恩节庆祝活动可追溯到1621年。
25.本书共分为16个单元,主要是关于日常会话的。
26.C
27.Asourproductshaveagoodreputationbothathomeandabroad,theirdemandisincreasingyearbyyear.
28.他再次让我们领略了他那广博的知识、丰富的阅历和无穷的智慧。他再次让我们领略了他那广博的知识、丰富的阅历和无穷的智慧。
29.就能力而言汤姆是此项工作的合适人选。就能力而言,汤姆是此项工作的合适人选。
30.在讨论暑假里去哪里度假的时候大多数人赞成去上海。在讨论暑假里去哪里度假的时候,大多数人赞成去上海。
31.Ilostmypurse.Itisblackandredanditsshapeistriangle.
IthinkIleftitsomewhereinthelibraryyesterdayafternoonwhenIwasinahurrytoborrowbooksandwalkedupanddownstairstolookformaterialstobeusedinmymathcourseandoccupiedseatsfortheeveningstudywithmybooks.
Insidemypurse,thereisastudentIDwhichisveryimportanttome,librarycardwithoutwhichIwon'tgetintothelibrary,andabout300RMB.
Ifanyonegotitorknewanyoneelsewhogotit,pleasecallmeat80967521atanytime.Thankyou.
32.DearTom,
ThankyousomuchforinvitingmetogowithyouandseeyourfamilyatChengdethisweekend.I'veheardalotaboutyourkindandwarm-heartedparentsfromyouandhopetoseethemforalongtime.AndchengdeisabeautifulcityIdreamtovisit.
ButIhavetosaysorrythatIcannotgo.Unfortunately,myuncleiscomingtoseemethisweekendonSaturdayandonSundayIhaveanEnglishexam.So,Ihavetostayhere.
Idohopethatwecandoitanothertime.Pleasesendmybestwishestoyourparents.
Thankyouagainandtakecare.
Yours,
LiYuan
33.61.
参考范文DearGlad,January18,2007IamsorrythatIwon'theabletomeetyouat4:00pmnextMondayafternoonattheairport.Thismorningmybossaskedmetogoto
Shanghai
onbusiness.Itissomethingveryargent.IMilhavetostaytherefor10clays.Businessgoesfirst,andIcandonothingaboutit.Whenyouarriveattheairport,pleasetakeBusNo.120andgetoffattheHolidayBusStop.TheStopisquitenearmyhouse,IliveinRoom333,EntranceNo.2,theHolidayApartmentBuilding.Mymotherisalwaysathome.Itoldheralreadythatyouwouldcometoseeme.Youarewelcometomyplace.Bestwishes.Yourfriend,GaoMing(信体正文字数:117words)
34.DearPeter,
We'resogladyou'recomingtojoinustomorrow.Hereishowyoucanfindus.We'llhaveourpicnicinthePeople'sPark.Youknowwhereitis,don'tyou?Afteryouentertheparkbythemaingate,walkstraightontillyoucometoastream.Crossthestreamandturnright.Afterwalkingforawhileyou'llcometoalake.We'llhaveourpicnicthereinthesmallwoodsbythelake.I'msureyou'llhavenotroublefindingus.Docome!
Yours,
Lihua
35.Nowadays,somepeopletryhardtogetmoneyinawayofbegging.
OnedayIsawastudent-likegirlkneelingatthesideofthestreetwithalargesheetofpaperlaidinfrontofher.Ireadandknewthatbothofherparentswereseriouslysickwithnomoneyforoperationsandshehadtoquitschool.Shekneltthereforpeople'shelp.
I'dliketohelppeoplewhoareintroublebutIwouldfirstcheckifwhatshesaidistrue.ButIknowitishard.Itisthebigproblem.Someonedoeswanttodosomethingtohelpthoseintrouble,buttheyareafraidtobecheated.
36.CompetitionNotice
July18,2009Pleaseinform.anyartstudentsyouknowaboutthisfreetoentercompetition.
FirstPrize:$5,000
SecondPrize:$2,000
ThirdPrize:$1,000
TheStarspaceCompanyrecentlylaunchedastudentartscholarshipcompetitionforuniversitystudents.Thecompetitionisfreetoenterandisopentoartstudentsthroughouttheworld.
Thescholarshipprogramisintendedforstudentswhoexhibitexceptionalartisticexcellenceintheirchosenmedium.Includingphotographyandvideo,bothcontemporaryandtraditionalinnature.
ThedeadlineforsubmissionisNovember21,2009.ScholarshipwinnersareannouncedonDecember19th,2009.StudentsinterestedinsigningupfortheStarspaceScholarshipCompetitioncanfindoutmoredetailsbyvisiting_/scholarships.
TheStarspaceScholarshipCompetition
37.61.在描写文中,要把方位按一定的顺序描写清楚,可用一些方位词如:infrontof,behind,
beside,onbothsides,nextto等等。另外,校园的设施也要会讲,如:教学楼theteachingbuilding,办公楼teacher'sofficebuilding,试验室thelab,电教中心theAudiovisualCentre,图书馆thelibrary,宿舍dormitory,食堂canteen,操场theplayground等等。OurSchoolYardThisisamapofourschoolOurschoolislikeabeautifulgarden.Whenyouentertheschoolgate,awidetree-linedroadleadsyourighttothenine-storyclassroombuilding,wherewestudy.NexttotheclassroombuildingistheAudiovisualCentre,wherewecanwatchTVeveryevening.Oneithersideoftheschoolroad,thereisaflowerbedinwhichvariouskindsofflowersareinbloom.
Inthesoutheastofourschoolyardstandsourbeautifullibrarywithallkindsofbooksinit.Teachersandstudentsgothereenjoyingreadingintheirsparetime.Andinthenortheast,youcanfindthereachersofficebuilding.
Behindtheteachersofficebuildingisaplayground.
Besidetheplaygroundisanothernewly-builtbuilding—ourlab.Ifyougoalongtheroadbehindthelab,you'11arriveinthestudentlivingareawherethereareourdormitoriesandcanteens.Thelifeatourschoolisactive,joyfulandcolorful.Welcometoourschool.
38.DearManager,
Iamwritingthislettertomakeacomplaint.
Iamoneofyourcustomerswhowerejustbackfromtheseven-daytriptoHainan.Iwastotallydisappointedbytheveryunhappystayweexperiencedinthehotelyoureservedforus.First,itislongdistancetotheseasidefromthehotel.Ittookus20m
Istronglysuggest:
1.Rentabusspeciallyfortravelers.
2.Movethebaroutofthehotel.
Lookforwardtohearingfromyou.
Yours,
LiYuan
Tel.78790765
39.Stressisaforce,pressureortensionthatmakespeoplefeeldepressedorworried.Itcanmakepeoplephysicallyormentallyill.Buthowdowegetridofit?Thereareseveralways:
Travellingisaneffectivewaytoreduceanykindofstress.Planningthetripgivespeopleanexcitingmoodthatinspiresthemtobeactive.Byescapingfrompressure,theirmindwillberefreshedandpositive.
Gardeningisanotherfavorablewayoftreatingstress,becauseitprotectspeoplefrommentalandphysicalproblems.Flowersgivepeopleapeacefulandcheerfulfeeling,andthesunshinestrengthenstheirbodiestoresistthestresses.
Forreducingastressfullife,peopleshouldlivewiththesimplewaysthatareallaroundthem.
40.Onepossibleversion:
October17th,2012
DearMr.JohnSmith,
ItismygreathonortotellyouthatyouhavewonthefirstprizeintheChineseCultureContest.Congratu-lations!
IwouldliketoinviteyoutoattendthecelebrationpartyontheeveningofDecemberlOthatFriendship
HotelinBeijing.AndyouareofferedalO-daytourinChina,freeofcharge.Ifyouareabletomakethetrip,pleasefillintheform.wemailyouwiththeletter.Be-sides,youwillhavetogetyourpassportready.Wewilldotherestforyou.Iamlookingforwardtoyourearlyreply.
Sincerelyyours,
LiHua
ChairCommitteeoftheChineseCultureContest
41.现在,许多年轻人习惯边听背景音乐边做作业。
42.Fivehundredyearsisarelativelyshortperiodoftime,sowemayassumethatmanwillcontinuetogrowtaller.五百年是一段相对短暂的时间。因此,(我们)可以假设人类会继续长高/身高会继续增长。
43.外汇需求的产生是由于一个国家的居民想购买外国商品。外汇需求的产生是由于一个国家的居民想购买外国商品。
44.Acultureanditslanguagesareasinseparableasbrainandbody;whileoneisapartoftheother,neithercanfunctionwithouttheother.一种文化及语言,有如大脑与身体般密不可分。它们交融互补,缺一不可/不可或缺。
45.本书共分为16个
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。
最新文档
- 2024全年物业绿化维护服务合同
- 2024年大型购物中心商业管理合同
- 2024就运输服务签订的详细合作协议
- 2024vr的产品技术产品技术开发合同范本
- 2024年度八宝山殡仪馆鲜花制品质量保证与售后服务合同
- 2024年度大数据服务合同的数据安全
- 2024年度35kv变电站施工期间安全培训合同
- 2024互联网企业与数据中心之间的服务器租赁合同
- 2024填塘渣工程质量保障合同
- 2024年度供暖设备安装工程合同
- 2024年公路标识安装合同
- 印刷排版岗位招聘笔试题与参考答案(某大型央企)2025年
- 【餐饮店铺管理系统设计与实现(论文)15000字】
- 2.1充分发挥市场在资源配置中的决定性作用(课件) 2024-2025学年高中政治 必修2 经济与社会
- 2024年秋季新人教PEP版3年级上册英语全册课件(新版教材)
- 2024年菱角项目可行性研究报告
- 农产品质量追溯系统操作手册
- 道法珍惜师生情谊教学课件 2024-2025学年统编版道德与法治七年级上册
- 2024年高考真题-化学(贵州卷) 含答案
- 2024-2030年中国线束行业市场发展趋势与前景展望战略分析报告
- 居间战略合作协议书范本
评论
0/150
提交评论