A.2 minutes
B.3 minutes
C.4 minutes
D.5 minutes
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最新試題
My ship（）that port next month.
Channel 13 (156.65 MHz)，the designated bridge-to-bridge channel，may NOT be used to（）.
（）both anchors.
A mark or place at which a vessel comes under obligatory entry，transit，or escort procedure is know as（）.
Some goods are missing（）terrible weather.
I am ready（）tow line.
The weather is often（）in a high-pressure area.
If it（）fine tomorrow，we shall start unloading.
Do you require any further assistance ? My ship is safe now and no assistance is necessary.This VHF communication generally takes place during（）.
A call between any two ship stations on an intership working frequency shall have a maximum duration of（）.