A. All officers B. All engineers C. All the crew D. AB and C
单项选择题Second Officer, give one （）(长声).
A. blast B. short blast C. prolonged blast D. prolonged blasts
单项选择题Where do you post your （）(火势控制图)?
A. fire control plan B. fire control C. fire plan D. fire-fighting plan
单项选择题Send a fire （）(火势探测员) to see the situation .
A.detect B.detector C.watch D.inspector
单项选择题Close the port side （）(通风口) .
A.ventilators B. designated station C. fire outfit
单项选择题The emergency alarm is sounded on （）(汽笛) according to master’s order.
A.VHF B.whistle C.broadcast D.sextant
