单项选择题
A.served
B.serving
C.surveyed
D.surveying
单项选择题 While loading bunkers, you notice oil on the water near the vesselWhat should you do first?()
单项选择题 In discussing oil pollution, one important fact to remember is that the problem remains the same () heavy () light oil is spilled into the water.
单项选择题 ()means the Government of the State whose flag the ship is entitled to fly.