单项选择题
All personnel should be familiar with the lifeboats （）
A.boarding and operating procedures B.maintenance schedule C.navigational systems D.fuel consumption rates
单项选择题 The necessity for administering artificial respiration may be recognized by the victims （）.
单项选择题 Which of the actions listed should be taken FIRST to control an oil fire in a fuel oil tank?（）
单项选择题 The FIRST course of action in fighting a fire in a cargo or fuel oil tank is to （）.
