单项选择题
Radiation can spread a fire by （）.
A.transmitting the heat of a fire through the ship s metal B.burning liquids flowing into another space C.heated gases flowing through ventilation systems D.the transfer of heat across an unobstructed space
单项选择题 Which of the listed burning materials would be described as a class "B" fire?（）
单项选择题 If an oil spill occurs on deck, you should （）.
单项选择题 Fire detecting systems on merchant vessels may be arranged to sense （）.
