单项选择题
A.life-jacket B.life-raft C.life-buoy D.life-boat
The gangway is going to hit the （）(系缆桩) on the wharf.A....
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
Spread a safety net under the （） (舷梯).A.gangwayB.ladder...
单项选择题Spread a safety net under the （） (舷梯).
A.gangway B.ladder C.pilot ladder D.bridge
As soon as the ship gets alongside the（）(码头),you should...
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
