单项选择题
A.Chain stopper B.Devil's claw C.Hawse ratchet D.Riding pawl
If the ship is alongside the wharf，what kind of（）is use...
单项选择题If the ship is alongside the wharf，what kind of（）is used?
A.pilot ladder B.rope ladder C.rod ladder D.accommodation ladder
If a ship has sternway，with accommodation block aft，she...
单项选择题If a ship has sternway，with accommodation block aft，she may settle with the wind（）.
A.on her beam B.on her stern C.on her bow D.broad on the quarter
Conventional anchors are least likely to hold in a bott...
单项选择题Conventional anchors are least likely to hold in a bottom consisting of（）.
A.soft clay B.hard mud C.very soft mud D.sand
