单项选择题
A.Ballast Control Operator B.Barge Supervisor C.Master or Offshore Installation Manager D.operators representative
Complete information on weather broadcasts throughout t...
单项选择题Complete information on weather broadcasts throughout the world is contained in（）.
A.Selected Worldwide Marine Weather Broadcasts B.your local newspaper C.the Notice to Mariners D.the daily weather map
Compared to internal structural plating，the exterior hu...
单项选择题Compared to internal structural plating，the exterior hull plating on a ship is usually（）.
A.stronger B.thinner C.more corrosion resistant D.a lower grade steel
Compared to a low pressure system，generally the air in ...
单项选择题Compared to a low pressure system，generally the air in a high is（）.
A.warmer，less dense，and less stable B.cool，more dense，and drier C.muggy and cloudy D.extremely moist with high relative humidity
