单项选择题
I am a seaman, I come（）the People’s Republic of China.
A.from B.to C.on D.for
单项选择题 Vessel（）still to bunker 50 tons of fresh water.
单项选择题 The ship’s bearing is 145°（）the lighthouse.
单项选择题 All vessels at mooring（）move to the sheltered anchorage.
