三副航海英语试题详解概要

1、知识点1：航海初版物（灯标表、天文历、海员手册、大洋航路等）【典型考题】Youmayfindthetimeofslackwaterafterlowwaterinacertainportfrom_.A.MFAG.B.Tidetables.C.Noticestomariners.D.Tableofazimuth.【参照答案】B【参照译文】你可从潮汐表中查到某港在低潮后平潮时间。【解析】slackwater平潮lowwater低潮MFAG:MedicalFirstAidGuide医疗急救指南Tidetables潮汐表Noticestomariners航海通知Tableofazimuth方向表【相关考

2、题】1.Youwillfindinformationaboutthedurationofslackwaterinthe_.A.TidalCurrentTablesB.TideTablesC.AmericanPracticalNavigatorD.SailingDirections【参照答案】A【参照译文】你能从潮流表中查到相关平潮连续时间的信息。【解析】duration连续时间TidalCurrentTables潮流表AmericanPracticalNavigator美国合用航海，由美国数学家Bowditch撰写SailingDirections航路指南2.Thevelocityofthec

3、urrentinlargecoastalharborsis_.A.predictedinTidalCurrentTablesB.unpredictableC.generallyconstantD.generallytooweaktobeofconcern【参照答案】A【参照译文】在潮流表中可盘问沿海大港的流速预起诉况。【解析】velocityofthecurrent流速coastal沿海的harbor港口predict预告_givesdailypredictionsofthetimesandheightsofhighandlowwatersforover230standardand6，000s

4、econdaryportsintheworldAAdmiraltyTideTablesBAdmiraltyTidalStreamAtlasesCAdmiraltyManualofTides（NP120）DAdmiraltyTidalHandbooks（NP1221-3）【参照答案】A【参照译文】英版潮汐表供给全球二百三十多个主港和六千多个副港的每日高低潮时间及潮高预告。【解析】daily每日的highwaters高潮lowwaters低潮standardport主港secondaryport副港4.AdmiraltyEasyTide_Ahaslittleuseforocean-goingmar

5、iners。Bpermitsthemarinertoselectandsimultaneouslycalculatetidalheightsformultipleportsforuptosevendays。Cincludesperiodsofdaylightandnauticaltwilight，moonphasesandaspringsandneapsindicator。DissuppliedintheformofasingleCDwhichcontainsthecalculationprogramandthesevengeographicAreaDataSets（ADS）providing

6、globalcoverage。【参照答案】A【参照译文】英版网络潮汐表在远洋航行中很少使用【解析】EasyTide英版网络潮汐表littleuse海者很少使用ocean-going远洋的mariner航5.Datarelatingtothedirectionandvelocityofrotarytidalcurrentscanbefoundinthe_.A.MarinersGuideB.TidalCurrentTablesC.NauticalAlmanacD.TideTables【参照答案】B【参照译文】潮流表可查到到相关旋转潮流方向和速度的资料。【解析】relatingto相关rotaryt

7、idalcurrents旋转潮流MarinersGuide航行者指南，NauticalAlmanac航海天文历Thedatumfromwhichthepredictedheightsoftidesarereckonedinthetidetablesis_.A.meanlowwaterB.thesameasthatusedforthechartsofthelocalityC.thehighestpossiblelevelD.givenintablethreeofthetidetables【参照答案】B【参照译文】潮汐表中用于计算展望潮高的基准面相同于所在地区的海图基准面。【解析】datum基准面

8、reckon估计、估计meanlowwater平均低潮locality地区、地址ThedailypredictionsofthetimesandheightsofhighandlowwaterforaselectionofStandardPortsaregivenin_AAdmiraltyMaritimeCommunicationsBAdmiraltyTideTablesCacomprehensiveguidefortheyachtsmanDALRS【参照答案】B【参照译文】英版潮汐表中能查到所选主港的每日高低潮潮高以及时间预告。【解析】AdmiraltyMaritimeCommunicati

9、ons英版海上通信，供游艇使用ALRSAdmiraltyListofRadioSignals英版无线电信号表。TopredicttheactualdepthofwaterusingtheTideTables，thenumberobtainedfromtheTideTablesis_AtheactualdepthBaddedtoorsubtractedfromthecharteddepthCmultipliedbythecharteddepthDdividedbythecharteddepth【参照答案】B【参照译文】使用潮汐表展望实质水深时，海图水深应加上也许减去潮汐表中查得的数值。【解析】a

10、ctualdepth实质水深obtainedfrom从哪里获得added加上subtracted减去multiplied乘divided原意为被切割，此处意为除charteddepth海图水深【点评】此类考题观察英版潮汐表、潮流表的内容及使用，考生应掌握与此相关的专业术语，正确使用潮汐表查找潮高及时间信息。【典型考题】_giveslistingsofalllighthouses，lightships，litfloatingmarks（over8minheight），fogsignalsandlightsofnavigationalsignificanceAOceanPassagesforthe

11、World（NP136）BAdmiraltyListofRadioSignalsCIALAMaritimeBuoyageSystem（NP735）DAdmiraltyListofLightsandFogSignals【参照答案】D【参照译文】英版灯标雾号表供给所有灯塔、灯船、灯浮标志（高度高出8米）、雾号和导航灯标的情况。【解析】lighthouse灯塔lightship灯船litfloatingmark灯浮标志fogsignal雾号IALAMaritimeBuoyageSystem（NP735）国际航标协会海上浮标系统OceanPassagesfortheWorld世界大洋航路【相关考题】1

12、.Whenabuoyisinpositiononlyduringacertainperiodoftheyear，wheremaythedateswhenthebuoyisinpositionbefound?A.LightListB.NoticetoMarinersC.OnthechartD.CoastPilot【参照答案】A【参照译文】浮标仅在一年中某段时间位于合适地址，哪里可查到浮标在合适地址的日期？灯标表。【解析】buoy浮标inposition合适地址certainperiod某段时间Informationontheoperatingtimesandcharacteristicsoffo

13、reignradiobeaconscanbefoundinwhichpublication_AListofLightsCSailingDirectionsBCoastPilotDListofRadiobeacons【参照答案】A【参照译文】相关外国无线电信标工作时间和特点的信息可在哪一种初版物中查到？灯标表。【解析】operatingtime工作时间characteristic性质、特点CoastPilot沿岸航海指南TheCoastRadioStationsarefoundin_AAdmiraltyListofLightsandFogSignalsBAdmiraltyMaritimeComm

14、unicationsCAdmiraltyListofRadioSignalsDAdmiraltyDigitalListofLights【参照答案】C【参照译文】沿岸无线电台可在英版无线电信号表中查到。【解析】CoastRadioStation沿岸无线电台AdmiraltyDigitalListofLights英版电子版灯标表Theinternationalnumber，locationand/orname，geographicalco-ordinates，characteristicsandintensity，elevationinmetres，rangeinseamilesanddescri

15、ptionofstructureofalightcanbefoundin_AOceanPassagesfortheWorld（NP136）BAdmiraltyListofRadioSignalsCIALAMaritimeBuoyageSystem（NP735）DAdmiraltyListofLightsandFogSignals【参照答案】D【参照译文】英版灯标雾号表中可查到灯塔的国际编号、地址和强度、灯高（米）、射程（海里）以及灯标结构。【解析】geographicalco-ordinates地理坐标elevation灯高/或名称、地理坐标、特点、intensity灯光强度range距离，这

16、里指灯光射程TheListsofMeteorologicalObservationStationscanbefoundin_AALRSCAMCBALLDATT【参照答案】A【参照译文】气象观察站列表可在无线电信号表中查到。【解析】ALRS：AdmiraltyListofRadioSignals英版无线电信号表，ALL：AdmiraltyListofLightsandFogSignals英版灯标雾号表，AMCAdmiraltyMaritimeCommunications英版海事通信，ATTAdmiraltyTideTables英版潮汐表。WhatistheuseofthebooksofAdmir

17、altyListofLightsandFogSignals?Theiruseisto_AMentionsignalstationsandice，storm，trafficandportsignalsBGivetheinternationalnumbersoflightsCGivethecorrectionofthelightsandfogsignalsDGivetheinformationonthelightsandfogsignals【参照答案】D【参照译文】英版灯标雾号表的用途是什么？供给灯标雾号的信息。【解析】mention提及correction更正【点评】此类考题观察英版灯标表的内容

18、及使用，考生应掌握与此相关的专业术语，确使用灯标表查找灯标编号、地址、灯质。正【典型考题】InAdmiraltySailingDirections，STRIPESisthewordusedtoindicate_marking.A.HorizontalC.diagonalB.VerticalD.verticalordiagonal【参照答案】D【参照译文】在英版航路指南中，【解析】horizontal水平的“STRIPES一”词用于表示垂直或斜线标志。vertical垂直的diagonal斜线的【相关考题】Sailingdirectionsarekeptuptodateby_.A.publica

19、tionsB.noticestomarinersC.supplementsD.AnnualSummaryofAdmiraltyNoticestoMariners【参照答案】C【参照译文】航路指南经过补篇保持最新。【解析】keepuptodate保持最新publications初版物AnnualSummaryofAdmiraltyNoticestoMariners英版航海通知年度大纲supplement附录、增刊，这里是补篇的意思Whilesteamingslowlyintheharbor，noshipis_toexceedthespeedlimited.A.assumedB.appreciat

20、edC.promisedD.permitted【参照答案】D【参照译文】在港内缓速行驶时期，任何船舶不能超速航行。【解析】assume假定appreciate感谢promise承诺permitt赞同EverynewsupplementtotheSailingDirections_thepreviousone.A.enforcesB.cancelsC.correctsD.replenishes【参照答案】B【参照译文】新航路指南补篇刊行，旧补篇即作废。【解析】enforce推行replenish补充previous以前的。_amplifycharteddetailandcontaininform

21、ationneededforsafenavigation.A.AdmiraltySailingDirectionsB.AdmiraltyListofLightsC.AdmiraltyListofSignalsD.AdmiraltyNoticestoMariners【参照答案】A【参照译文】英版航路指南详述海图细节情况并包括航行安全所需的信息。【解析】amplify放大、扩大、增强，此处为详述之意detail细节InAdmiraltySailingDirections,bandsarethewordusedtoindicate_marking.A.horizontalB.verticalC.di

22、agonalD.verticalordiagonal【参照答案】A【参照译文】在英版航路指南中，“bands”一词用于表示水平标志。【解析】band横纹【点评】此类考题观察英版航路指南的内容及更新，考生应掌握与此相关的专业术语，正确理解和使用英版航路指南，保证船舶安全航行。【典型考题】Ofthefollowing，_isnotlikelyfoundinTheMarinersHandbook（NP100）Anavigationalhazardsandbuoyage，meteorologicaldata，detailsofpilotage，regulations，portfacilitiesand

23、guidestomajorportentryBinformationonchartsCinformationonoperationalinformationandregulationDinformationontides，currentsandcharacteristicsofthesea【参照答案】A【参照译文】海员手册中无法找到航行危险物和浮标，气象数据，引航详细情况，规则，港口设施和主要港口的进港指南。【解析】MarinersHandbook海员手册navigationalhazard航行危险物meteorologicaldata气象资料【相关考题】1.Theinformationon_

24、isnotlikelyfoundinTheMarinersHandbook（NP100）AIALABuoyagesystemBhydrography，topography，navigationalaidsandtheirservicesCbasicmeteorologyandnavigationiniceandhazardsandrestrictionstonavigationDinformationontides，currentsandcharacteristicsofthesea【参照答案】B【参照译文】海员手册中无法找到水文、地形、助航标志和相关的服务信息。【解析】hydrography

25、水文topography地形navigationalaids航标TheMarinersHandbook_generalinformationaffectingnavigationandiscomplementarytotheSailingDirections.A.givinggivegivesgiven【参照答案】C【参照译文】海员手册供给影响航行的综合信息，也是对航路指南的补充。【解析】affect影响complementary补充的【点评】此类考题观察海员手册的内容，考生应掌握与此相关的专业术语，正确理解海员手册，保证船舶安全航行。【典型考题】_givesadescriptionofthe

26、combinedCardinalandLateralBuoyagesystemincludingtextualanddiagrammaticexplanationsofthefivetypesofmarks;lateral；isolateddanger；safewaterandspecialmarksAOceanPassagesfortheWorld（NP136）BSymbolsandAbbreviationsusedonAdmiraltyCharts，Chart5011CIALAMaritimeBuoyageSystem（NP735）DTheMarinersHandbook（NP100）【参

27、照答案】C【参照译文】国际航标协会海上浮标系统（NP735）描述方向标志和侧面标志相结合的浮标系统，包括侧面标志、方向标志、孤立危险物标志、安全水域和专用标志这五类标志的文字和图象说明。【解析】diagrammatic图象的、图表的textual文字的cardinal方向的combined结合的lateral侧面的isolated孤立的special特其他、专用的【相关考题】_isacomprehensivereferenceingraphicalandtextualformofallAdmiraltyChartsandPublicationsworldwide（linktoAdmiralty

28、Charts）listedbyregionAOceanPassagesfortheWorld（NP136）BSymbolsandAbbreviationsusedonAdmiraltyCharts，Chart5011CIALAMaritimeBuoyageSystem（NP735）DCatalogueofAdmiraltyChartsandPublications（NP131）【参照答案】D【参照译文】英版海图图书总目录是一本用图表和文字表述按地区划分的全球英版海图和图书初版物（与英版海图相关）的综合性参照资料。【解析】comprehensive综合性的reference参照region地区I

29、mportantchangestochartsandlights（includingtemporaryones），radiosignalsandsailingdirectionsarelistedin_AWeeklyAdmiraltyNoticestoMarinersBTheMarinersHandbook（NP100）COceanPassagesfortheWorld（NP136）DSymbolsandAbbreviationsusedonAdmiraltyCharts，Chart5011【参照答案】A【参照译文】相关海图、灯标（包括临时性的）、无线电信号和航路指南的重要改变都能在周版航海通

30、知上查得。【解析】OceanPassagesfortheWorld（NP136）（世界大洋航路），Symbols表记的意思，Abbreviation是缩写的意思。Theinformationonoceanvoyageplanningwithrouteingdetailsforpoweredandsailingvesselsislikelyfoundin_AOceanPassagesfortheWorld（NP136）BSymbolsandAbbreviationsusedonAdmiraltyCharts，Chart5011CWeeklyAdmiraltyNoticestoMarinersDT

31、heMarinersHandbook（NP100）【参照答案】A【参照译文】世界大洋航路中能查到相关灵巧船和帆船的远洋航线设计详细信息。【解析】voyageplanning航线设计sailingvessels帆船routeingdetails航线详情Alineofpositionfromacelestialobservationisasegmentofa_.A.circleofequalaltitudeB.parallelofdeclinationC.parallelofaltitudeD.verticalcircle【参照答案】A【参照译文】天体观察获得的地址线是等高度圈的一部分。【解析】c

32、elestialobservation天体观察segment部分Duringdaylightsavingstimethemeridianusedfordeterminingthetimeislocatedfarther_.A.westinwestlongitudeandeastineastlongitudeB.eastinwestlongitudeandwestineastlongitudeC.westD.east【参照答案】D【参照译文】在实现夏令不时期，用于确准时间的子午线位于更向东一些。【解析】daylightsavingstime夏令时.6.Acelestialbodyscomplet

33、eorbitaroundanotherbodyis_.A.arotationB.arevolutionC.spacemotionD.nutation【参照答案】B【参照译文】一个天体围绕另一个天体的完满的轨道是公转。【解析】rotation旋转revolution公转nutation章动。7.Inthehorizonsystemofcoordinateswhatisequivalenttolatitudeontheearth?_.A.AltitudeB.ZenithC.DeclinationD.Zenithdistance【参照答案】A【参照译文】在地平坐标系中与地球上的纬度相对应的是什么？高

34、度【解析】thehorizonsystemofcoordinates地平坐标系Altitude高度Zenith天顶Declination赤纬Zenithdistance顶距8.Inthehorizonsystemofcoordinateswhatisequivalenttotheequatorontheearth?_.A.PrimeverticalcircleB.PrincipalverticalcircleC.ParallelsofaltitudeD.Horizon【参照答案】D【参照译文】在地平坐标系中与地球上的赤道意义相同的是真地平圈。【解析】principalverticalcircl

35、e测者垂直圈parallelsofaltitude高度平行圈horizon真地平圈【点评】此类考题观察各种航海初版物的内容，如天文历，海图总目录等。考生应掌握与此相关的专业术语。知识点2：海图及海图作业【典型考题】AMercatorchartisa_A.cylindricalprojectionC.polyconicprojectionB.simpleconicprojectionD.rectangularprojection【参照答案】A【参照译文】墨卡托海图是正圆柱投影图。【解析】cylindricalprojection正圆柱投影simpleconicprojectionpolyconi

36、cprojection多圆锥投影rectangularprojection矩形投影单圆锥投影【相关考题】WhydoesdistancealwayshavetobemeasuredfromthenearestscaleonaMercatorchart?A.BecauseitisthemostefficientwayB.BecauseitvarieswiththechangeoflatitudeC.BecauseitvarieswiththechangeoflongitudeD.Becauseitisthemoststraightline【参照答案】B【参照译文】为什么在墨卡托海图上测量距离要在近

37、来纬度尺处量取？由于它是随着纬度的变化而变化的。【解析】efficient有效的latitude纬度longitude经度straight直线2Apolyconicprojectionisbasedona_.A.planetangentatonepointB.cylindertangentatoneparallelC.conetangentatoneparallelD.seriesofconestangentatselectedparallels【参照答案】D【参照译文】多圆锥投影基于一系列的圆锥相切于所选纬圈。【解析】cone圆锥parallel纬圈plane平面cylinder圆柱3All

38、straightlinesrepresentgreatcircletracksonachartbasedona（n）_AMercatorprojectionBPolyconicprojectionCOrthographicprojectionDGnomonicprojection【参照答案】D【参照译文】在心射投影海图中，所有的直线表示大圆航线。【解析】Orthographicprojection正交投影Gnomonicprojection心射投影greatcircle大圆Inveryhighlatitudes,themostpracticalchartprojectionisthe_.A.M

39、ercatorB.gnomonicC.azimuthalD.Lambertconformal【参照答案】D【参照译文】在高纬度，最可行的投影方式是兰伯特投影。【解析】Mercatorprojection墨卡托投影gnomonic心射投影azimuthal方向投影Lambertconformalprojection兰伯特等角投影5.Theonlycylindricalchartprojectionwidelyusedfornavigationisthe_ALambertconformalBMercatorCAzimuthalDGnomonic【参照答案】B【参照译文】广泛用于航海的唯一一种圆柱形

40、投影海图是墨卡托海图。【解析】cylindrical圆柱的6Whichstatementaboutagnomonicchartiscorrect_AArhumblineappearsasastraightlineBDistanceismeasuredatthemidlatitudeofthetracklineCMeridiansappearascurvedlinesconvergingtowardthenearerpoleDParallels，excepttheequator，appearascurvedlines【参照答案】D【参照译文】以下那个关于心射投影的说法是正确的？除赤道外，纬线显示

41、为曲线。【解析】rhumbline恒向线appear显现Meridians子午线converging汇聚WhichoneofthefollowingisincorrectaboutMercatorprojection?Itprojectsasphereontoacylinder.Becausetheresultingdistancebetweenlatitudesareconstantlyincreasing,itisalsocalledprogressiveprojectionItcanalwaysgivetruedistancesItadvantageisthatlongitudesand

42、latitudesareatrightangles,whichmakesiteasytoreadtruebearings【参照答案】C【参照译文】关于莫卡托投影下面哪项不正确？它总是能供给实质距离【解析】projectonto把投影到【点评】此类考题观察海图的几种主要投影方法，考生应掌握与此相关的专业术语。【典型考题】2Achartwithascaleof1:80，000wouldfallintothecategoryofa_AsailingchartBgeneralchartCcoastalchartDharborchart【参照答案】C【参照译文】比率尺为1：80000【解析】sailin

43、gchart航行图的海图属于沿岸航行图。generalchart总图coastalchart沿岸航行图harborchart港泊图【相关考题】1Thechangesinthechannelssandsandbuoysonthiscoastare_thischartcannotbeconsideredasasafeguideofthechannelA.frequentB.sofrequentC.frequentthatD.sofrequentthat【参照答案】D【参照译文】本航道的沙滩和浮标变化太频频致使于该海图不能够作为安全航行指导的依照。【解析】frequent频频的sothat那么致使于

44、consider认为2Owingtoolddataofthesurveythepositionsandnumberofthebeaconsshownonthischartarenottobe_.A.consideredB.insuredC.relieduponD.suspected【参照答案】C【参照译文】由于该海图上所显示标志的地址和数量基于老的测量数据，所以不应该相信。【解析】owingto由于survey测量beacon标志，这里指灯标、立标、无线电指向标等导航标志3ApilotchartdoesNOTcontaininformationabout_.A.averagewindcondi

45、tionsB.tidalcurrentsC.magneticvariationD.averagelimitsoffieldice【参照答案】B【参照译文】导航图不包括相关潮流方面的信息。【解析】magneticvariation磁差。4_chart3994，positionsreadfromthischartshouldbeshifted0.03minutesNorthwardAToconsiderBTocheckCToDToagreewith【参照答案】D【参照译文】为与3994号海图一致，本海图读取的地址应向北搬动0.03分。【解析】shift搬动minute分Northward向北5Pl

46、acenamesusedonboardshipsshouldbethose_.A.specifiedbyinternationalauthoritiesB.specifiedbynationalauthoritiesC.onstandardmapD.onthechartorSailingDirectionsinuse【参照答案】D【参照译文】船上使用的地名应该是那些在使用的海图或航路指南上的地名。【解析】onboardship在船上inuse使用中的authorities主管机关standardmap标准图DistancealongatracklineismeasuredonaMercator

47、chartbyusingthe_AlatitudescalenearthemiddleofthetracklineBlongitudescalenearthemiddleofthetracklineClatitudescaleatthemidlatitudeofthechartDlatitudeorlongitudescaleatthemiddleofthescale【参照答案】A【参照译文】墨卡托海图上航程应在航迹线中分纬度周边量取。【解析】trackline航迹线middle中部、中间Onthischartonlytheprinciple_tonavigationareshownAequi

48、pmentsBtoolsCapparatusDaids【参照答案】D【参照译文】本海图仅显示主要的助航标志。【解析】principle主要的，equipment设施，tools工具，apparatus仪器，aids助航设施。Thearrangementofchartsinthecatalogueis_AonaregionalbasisBonanationalbasisCshownorderlyDappearedfromAtoW【参照答案】A【参照译文】在航海图书总目录中海图是按地区编排的。【解析】arrangement编排、安排catalogue目录，这里指海图目录regional地区9Non

49、avigationalaidsareshownandthechartisnotkeptcorrectedforalterationsindepthsinsidethepeckedlinesFormoredetailedinformation，thelargerscalechartsmustbe_AreferredtoBappreciatedCmetwithDconcerned【参照答案】A【参照译文】此海图没有显示任何助航标志且虚线内水深变化没有获得更正，为获得进一步详细信息，须查阅大比率尺海图。【解析】alteration改动、更正peckedline虚线largerscale大比率尺海图r

50、eferto查阅10Positionsreadfromthischartshouldbemoved0.08minutesSouthwardand0.13minutesEastwardsoas_adjoiningchart3446AToagreeuponBInaccordancewithCTobesameasDToagreewith【参照答案】D.【参照译文】为与3446号毗邻海图一致，本海图读取的地址应向南搬动0.08分，向东搬动0.13分。【解析】adjoiningchart毗邻海图Southward向南Eastward向东11Positionsreadfromthischartshould

51、，toagreewithchart3949，be_0.03minutesNorthwardsand0.22minutesWestwardsAShiftedBRemovedCChangedDAltered【参照答案】A【参照译文】为与3949号海图一致，本海图上读取的地址应向北搬动分。【解析】Westwards向西remove移走change改变altere12Charteddepths_by2metersduetostateofthewindsAIsdecreased0.03分，向西搬动改变、更正0.22BDecreasedCDecreasesDAredecreased【参照答案】D【参照译文

52、】由于风况，海图水深减少两米。【解析】state情况、状态decrease减少，此处须用被动语态【点评】此类考题观察海图分类及使用注意事项，考生应掌握与此相关的专业术语。【典型考题】Charteddepthisthe_.verticaldistancefromthechartsoundingdatumtotheoceanbottom,plustheheightoftideverticaldistancefromthechartsoundingdatumtotheoceanbottomaverageheightofwateroveraspecifiedperiodoftimeaveragehei

53、ghtofalllowwatersataplace【参照答案】B【参照译文】海图水深是海图深度基准面到海底的垂直距离。【解析】verticaldistance垂直距离chartsoundingdatum海图深度基准面oceanbottom海底【相关考题】1Achartpositionenclosedbyasquareisa（n）_AfixBestimatedpositionCdeadreckoningpositionDrunningfix【参照答案】B【参照译文】海图上用正方形围成的地址是估计地址。【解析】enclose把围起来estimatedposition估计地址deadreckonin

54、gposition航迹计算runningfix移线定位2Atruebearingofachartedobject，whenplottedonachart，willestablisha_AFixBLineofpositionCRelativebearingDRange【参照答案】B【参照译文】在海图上标绘出海图物标的真方向，将确立一条地址线。【解析】truebearing真方向plot标绘establish确立lineofposition地址线relativebearing相对方向3Areasenclosedbyalongandshortdashedmagentalineindicate_ACa

55、bleareasBDumpinggroundsCFishtrapareasDPrecautionaryareas【参照答案】C【参照译文】用长短洋红色虚线围蔽的地区是渔区。【解析】dashed虚线magenta洋红色也许品红色cableareas电缆区dumpinggrounds垃圾积聚场fishtrapareas渔区precautionaryareas警戒区Chartlegendsprintedincapitallettersshowthattheassociatedlandmarkis_AinconspicuousBconspicuousCagovernmentfacilityorstat

56、ionDaradiotransmitter【参照答案】B【参照译文】用大写字母印制的海图图例表示相关物标为明显物标。【解析】Chartlegends图例，capitalletters大写字母，conspicuous明显的，inconspicuous不明显的，radiotransmitter无线电发射器。Magneticinformationonachartmaybe_Afoundinthecenter（s）ofthecompassrose（s）BindicatedbyisogoniclinesCfoundinanoteonthechartDalloftheabove【参照答案】D【参照译文】罗

57、经花中心、等磁差线、海图注明中可查找海图磁差信息。【解析】magneticinformation磁差信息compassrose罗经花isogoniclines等磁差线note海图注明OnaMercatorchart，1nauticalmileisequalto_A1minuteoflongitudeB1degreeoflongitudeC1minuteoflatitudeD1degreeoflatitude【参照答案】C【参照译文】墨卡托海图上的1海里相当于纬度的一分。【解析】beequalto等同于nauticalmile海里7Theshorelineonchartsgenerallyrep

58、resentsthemean_AHighwaterlineBLowwaterlineCLowwaterspringlineDTidelevel【参照答案】A【参照译文】海图上的海岸线平时表示平均高潮线。【解析】shoreline海岸线represent代表、表示meanhighwaterline平均高潮线8Theshort-longdashed，magentalinesparalleltoYorkRiverEntranceChannelmark_AfishtrapareasBnavalexerciseareasCunderwatercablesDrecommendedtracklines【参照

59、答案】A【参照译文】平行于约克河入口航道的长短洋红色虚线表示渔区。【解析】entrance入口、入口navalexerciseareas军事演习区recommendedtracklines介绍航迹线9Thesurveyinformationuponwhichachartisbasedisfound_AAtthetopcenterofthenextlineBNearthecharttitleCAtthelowerleftcornerDAtanyconvenientlocation【参照答案】B【参照译文】海图标题栏周边可查找海图测量信息。【解析】surveyinformation测量信息char

60、ttitle海图标题栏10Whatinformationisfoundinthecharttitle_ADateofthefirsteditionBDateoftheeditionand，ifapplicable，therevisionCInformationonthesoundingdatumDInformationonwhichIALAbuoyagesystemapplies【参照答案】C【参照译文】什么信息可在海图标题栏中查到？海图深度基准面信息。【解析】on相关、关于soundingdatum深度基准面11WhatinformationisNOTfoundinthecharttitle