单项选择题
A.understanding the GMDSS console's normal operational indicators B.maintaining a proper GMDSS radio station log C.responding to and comprehending alarms D.All of the above
Proper GMDSS watchkeeping includes().A.monitoring all r...
单项选择题Proper GMDSS watchkeeping includes().
A.monitoring all required frequencies in the proper mode B.reading all displays and/or printouts after silencing an alarm C.notifying the Master of any distress alerts D.All of the above
Our ship()with many modern navigational instruments.A.e...
单项选择题Our ship()with many modern navigational instruments.
A.equipped B.is equipped C.equips D.has equipped
One method of reducing the length of radio transmission...
单项选择题One method of reducing the length of radio transmissions without distorting the meaning of your words is by using().
A.slang B.secret codes C.procedure words D.analogies