文档介绍：2009 年第 1 期海船船员适任统考试题(总第 47 期) 科目:航海英语试卷代号: 903 1 You will find information about the duration of slack water in the__. A. Tidal Current Tables B. Tide Tables C. American Practical Navigator D. Sailing Directions 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 List B. Notice to Mariners C. On the chart D. Coast Pilot line of position from a celestial observation isa segment ofa ______. A. circle of equal altitude B. parallel of declination C. parallel of altitude D. vertical circle 4. In very high latitudes, the most practical chart projection is the__. A. Mercator B. gnomonic C. azimuthal D. Lambert conformal 5. Place names used on board ships should be those ______. A. specified by international authorities B. specified by national authorities C. on standard map D. on the chart or Sailing Directions in use 6. Charted depth is the ______. A. vertical distance from the chart sounding datum to the ocean bottom , plus the height of tide B. vertical distance from the chart sounding datum to the ocean bottom C. average height of water over a specified period of time D. average height of all low waters ata place 7. The changes in the channel's sands and buoys on this coast are ______ this chart can not be considered asa safe guide of the channel . A. frequent B. so frequent C. frequent that D. so frequent that 8. Defense plans may cause the operation of electronic aids to navigation to be suspended with ______. A. no notice B. one day's notice week's notice D. thirty (30) days notice 9 Owing to old data of the survey the positions and number of the beacons shown on this chart are not to be ______. A. considered B. insured C. relied upon D. suspected 10 All entries in Logbook,______ made , must not be erased or amended . A. once B. whether C. previous D. just 11 The Master or person in charge ofa ship is required to log ______. A. the names of all persons on board B. only t