單項(xiàng)選擇題

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

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單項(xiàng)選擇題

Our ship（）with many modern navigational instruments.

A.equipped
B.is equipped
C.equips
D.has equipped

單項(xiàng)選擇題

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

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Proper GMDSS watchkeeping includes（）.

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Our ship（）with many modern navigational instruments.

One method of reducing the length of radio transmissions without distorting the meaning of your words is by using（）.