单项选择题
A.Bringing the anchor to short stay B.Heaving in all the chain C.Locking the windlass to prevent more chain from running out D.Paying out more chain
What does the abbreviation VHF stand for?（）A.Vessels Ho...
单项选择题What does the abbreviation VHF stand for?（）
A.Vessel's Hoisting Flag B.Very High Safety C.Vessel's Homing Frequency D.Very High Frequency
Vessels wishing to communicate with the Port Health Off...
单项选择题Vessels wishing to communicate with the Port Health Officer should do（）on VHF Channel 14.
A.so B.that C.this D.same
There is a VHF set（）the front of the wheelhouse.A.atB.o...
单项选择题There is a VHF set（）the front of the wheelhouse.
A.at B.on C.of D.in
