单项选择题
A.period B.range C.distance D.depth
The current rates()excess of 2 kn may occur with prolon...
单项选择题The current rates()excess of 2 kn may occur with prolonged strong winds.
A.by B.with C.on D.in
The Brazil Current flows in which general direction? ()...
单项选择题The Brazil Current flows in which general direction? ()
A.Northwesterly B.Southwesterly C.Southerly D.Northerly
The best time to work a boat into a slip is().A.when th...
单项选择题The best time to work a boat into a slip is().
A.when the wind is against you B.with the current setting against you C.at slack water D.with a cross current