单项选择题
If an oil spill occurs on deck, you should （）.
A.cover the area with foam B.cover the area with absorbent material C.wash down immediately with a fire hose D.wash down immediately with an oil dispersing solvent
单项选择题 Fire detecting systems on merchant vessels may be arranged to sense （）.
单项选择题 On a tank vessel, which of the following substances would be burning in a class "B" fire?（）
单项选择题 A class "B" fire would most likely occur in the （）.
