单项选择题
--Where is the（）(水手长)? --He’s in his room.
A.captain B.bosun C.pilot D.agent
Check （）(危险区) and report , please.A. danger areaB. safe...
单项选择题Check （）(危险区) and report , please.
A. danger area B. safety area C. danger room D. safety room
They should take care of the （系泊缆绳）（）.A. head linesB. m...
单项选择题They should take care of the （系泊缆绳）（）.
A. head lines B. mooring lines C. breast lines D. stern lines
Pay attention to the （）（安全）of the gangway.A.dangerB.sa...
单项选择题Pay attention to the （）（安全）of the gangway.
A.danger B.safe C.safely D.safety
