47期.doc

中华人民共和国海事局 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 试卷代码：903 适用对象：无限航区、近洋航区船舶二、三副 （本试卷卷面总分100分，及格分为70，考试时间为100分钟） 答题说明：请选择一个最合适的答案，并将答案按答题卡要求，在相应位置上用2B铅笔涂黑，第1题至第88题，每题1分，第89题至第96题，每题1.5分。 单项选择题 you will find information about the duration of slack water in the_____. A.Tidal Current Tables B.Tidal Tables C.Publications from CCS 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 segmeng 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 should be those______. A.specified by international authorities B.specified by national authorities C.on the standard map D.on the chart or the 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 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 channel’s sounds 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 day’s notice C.a week’s notice D.thiety(30) days notice 9. Owing to old date of the survey the positions and number of the beacons shown on this chart are not to be______ A.