单项选择题
A.ship in the wrong B.responsible vessel C.vessel to be responsible D.wrong ship
The ship touched the bottom（）the port side at 2000 hour...
单项选择题The ship touched the bottom（）the port side at 2000 hours.
A.on B.at C.in D.to
The ship is bound（）Japan.A.forB.byC.atD.to
单项选择题The ship is bound（）Japan.
A.for B.by C.at D.to
The self-contained breathing device should not be used ...
单项选择题The self-contained breathing device should not be used in which situation?（）
A.Oxygen deficient spaces B.Compartments containing poisonous vapors C.Fighting fires that produce heavy smoke D.Underwater search
