单项选择题
A.tide B.water C.sea D.wave
Please tell the duty AB to lower the （）.A.winchB.radarC...
单项选择题Please tell the duty AB to lower the （）.
A.winch B.radar C.gangway D.pilot ladder
When a ship is in port, （）must keep a gangway watch.A.o...
单项选择题When a ship is in port, （）must keep a gangway watch.
A.officers B.crew members C.sailors D.bosun
A （）should be placed on the gangway.A.life-buoyB.life-r...
单项选择题A （）should be placed on the gangway.
A.life-buoy B.life-raft C.life-boat D.life craft
