单项选择题
Small oil spills on deck can be prevented from contaminating any waters by （）.
A.plugging all scuppers and drains B.placing floating booms around the ship C.regularly emptying all drip pans D.thoroughly draining all bunkering hoses
单项选择题 In the event of a small bunker oil spill on deck occurring while bunkering, you should （）.
单项选择题 Radiation can spread a fire by （）.
单项选择题 Which of the listed burning materials would be described as a class "B" fire?（）
