单项选择题
A. blast B. short blast C. prolonged blast D. prolonged blasts
Where do you post your （）(火势控制图)?A. fire control planB....
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
Send a fire （）(火势探测员) to see the situation .A.detectB.d...
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
Close the port side （）(通风口) .A.ventilatorsB. designated...
单项选择题Close the port side （）(通风口) .
A.ventilators B. designated station C. fire outfit
