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
单项选择题 If a ship has sternway，with accommodation block aft，she may settle with the wind（）.
单项选择题 Conventional anchors are least likely to hold in a bottom consisting of（）.
单项选择题 All the following is true except that（）.
