辽宁海事局航海类(甲类)三副-英语历届真题第47期精选.docVIP

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 3. A line of position from a celestial observation is a segment of a ______. 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 at a place 7. The changes in the channels sands and buoys on this coast are ______ this chart can not be considered as a 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 days notice C. a weeks 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