1航海出版物A 潮汐表，潮流表45-1. Data relating to the direction and velocity of rotary tidal currents can be found in the_.A. Mariners B. Tidal Current TablesC. Nautical Almanac （航海天文年历）D. Tide Tables关于回转潮流流向和流速的资料可以在潮汐流动表中找到。47-1. You will find information about the duration of slack water in the_.A. Tidal Current Tables B. Tide TablesC. American Practical Navigator D. Sailing Directions你常常会在潮汐流动图表中找到平潮持续时间的信息。46-3. The velocity of the current in large coast harbors is_.A. predicted in Tidal Current TablesB. unpredictableC. generally constant （总是始终如一的）D. generally too weak to be of concern大的沿海港潮流流速在潮流表中予以预测。48-1. You may find the time of slack water after low water in a certain port from_.A. Deadweight Scale （载重量标尺） B. Tide Tables （潮汐表）C. Notices of Mariners （航行通告）D. Table of Azimuth （方位角表）你可以在潮汐表中找到某一港口低潮以后平潮的时间。51-1. Where would you find information about the time of high tide at a specific location on a particular day of the year?A. Tide TablesB. Tidal Current TablesC. Coast PilotD. Nautical AlmanacKEY: A在什么地方你将会找到在特定地区在一年的特定日期的高潮位时间？43-1. From _the mariner can know the data of tide.A. the Sea Pilot B. the Cargo PlanC. the Tide Table D. the Port List从潮汐表上航海人员可以了解到潮汐的资料。39-37. For full information regarding the current circulation of the Indian Ocean, _ Sailing Direction, Current Atlas, etc.A. watch B. look forC. see D. regard关于印度洋环流的详细资料，见航路指南、洋流图集等。B 灯标表48-2. Information on the operating times and characteristics of foreign radio beacons can be found in which publications? _.A. List of Lights （航标表） B. Coast Pilot （沿海航海指南）C. Sailing Directions （航路指南） D. List of Radio beacons （无线电导航台表）可以在哪一出版物中找到国外无线电导航台运行时间及其规格参数的信息？50-2. Information on the operating times and characteristics of foreign radiobeacons can be found in which publication?A. List of Lights B. Coast PilotC. Sailing Directions D. List of RadiobeaconsKEY: A可以在哪一出版物中找到国外无线电导航台运行时间及其规格参数的信息？45-2. Light lists for coastal waters are_.A. published every year and required no correctionsB. published every second year and must be correctedC. published every five year and required no correctionD. accurate thru NM and must be corrected近海航行灯标表，凭借航行通告而准确，并且必须予以修改。46-2. Mariners not entering the port are_to keep at least one mile off.A. advisedB. reportedC. complied D. supplied建议不进入该港口的船只至少保持一英里的距离。47-2. When a buoy is in position only during a certain period of the year, where may the dates when the buoy is in position be found?A. Light ListB. Notices to MarinersC. on the chartD. Coast Pilot当一个航标仅在一年的某个时期放置到位时，在什么出版物上可以找到该航标放置到位的期间？51-2. When a buoy is in position only during a certain period of the year, where may the dates when the buoy is in position be found?A. Light ListB. Notice to MarinersC. On the chartD. Coast pilotKEY: A当航标仅仅在一年的一定时间段放置在位，在什么地方可以找到该航标放置在位的时段？41-2 Many of the lights on this coast are placed so high as to be frequently obscured by _Apower BtowerCcover Dlow clouds/shower该海岸的许多灯塔放置得如此高以致经常被低云遮蔽。44-2.The lighthouse if _at night may be in trouble.A. invisibleB. it is invisibleC. isnt visibleD. Visible灯塔，如果在晚上看不见，可能出了故障。44-3. What is the use of the books of admiralty list of lights and fog signals? Their use is to _.A. mention signal stations and ice, storm, traffic and port signalsB. give the international numbers of lightsC. give the correction of the lights and fog signalsD. give the information on the lights and fog signals航标和雾标表的用途是什么？它们的用途是提供关于航标和雾标的资料。C 海图52-2. For details of these and other lights the larger scale charts and Admiralty List should be _.A. considered B. consulted C. concluded D. commandedKEY: B关于这些以及其它灯标，应查阅更大比例尺的海图和英版灯标表。51-3. For working details _ Admiralty list of Radio Signal.A. referB. seeC. watchD. lookKEY: B关于运转的详细资料，参见英版无线电信号表。47-3. A line of position from a celestial observation is a segment of a _.A. circle of equal altitude B. parallel of declinationC. parallel of altitude D. vertical circle （见48-03题）来自天文观测的一条位置线是等地平纬度圈的一部分。52-3. The error in the measurement of the altitude of a celestial body, caused by refraction, increases as the _.A. horizontal parallax（水平视差）decreasesB. observers height above sea level increasesC. humidity of the atmosphere decreasesD. altitude of the body decreasesKEY: D由于折射所引起的，天体高度测量中的误差，随着天体高度降低而增加。45-4. The buoy symbol printed on your chart is leaning to the northeast. This indicates_.A. you should stay to the north or east of the buoy.B. you should stay to the west or south of the buoy.C. the buoy is a major lighted buoy.D. nothing special for navigational purpose.印刷在你海图上的航标标志向东北伸去。这表明对于航海的用途没有任何特殊意义。50-1. Some of these shoals have been disproved and are not charted. Neverthel