A. anchor chainsB. anchor ballC. anchor gearD. anchor r……

单项选择题They should take care of（锚）（）to ensure that they are in normal condition.

A. anchors
B. anchor ball
C. anchor gear
D. anchor ring

单项选择题Take down （）(G旗).

A.Flag“H”
B.Flag“G”
C.Flag“Q”
D.Flag

单项选择题A （）(救生圈) should be located on the gangway.

A.life-jacket
B.life-raft
C.life-buoy
D.life-boat

单项选择题The gangway is going to hit the （）(系缆桩) on the wharf.

A.bridge
B.bitt
C.bit
D.bits

单项选择题Spread a safety net under the （） (舷梯).

A.gangway
B.ladder
C.pilot ladder
D.bridge