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

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

单项选择题As soon as the ship gets alongside the（）(码头),you should lower the gangway and put a safety net below it.

A.shore
B.wharf
C.harbour
D.port