A.reply
B.text
C.time
D.answer
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A.poor
B.bad
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C.had left already
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最新試題
The light rhythm of Morse (A) is shown on（）.
When may the automatic identification system (AIS) be switched off? （）
The Departure Report，required by vessels participating in AMVER，must be sent（）.
That ship arrived there（）6 p.m.yesterday.
The Vessel Bridge-to-Bridge Radiotelephone Act applies to which towboat?（）
When should the emergency position-indicating radiobeacon be activated after abandoning a ship?（）
By regulation，you MUST keep a record of the use of your radiotelephone for at least（）.
The unit of duration of a dash in Morse Code is（）.
She arrived at the anchorage last night and anchored（）berth.
PORT A BIT SLUGGISH means that port rudder（）.