A.Do B.Did C.Never D.Isn’t
单项选择题() fire doors, windows, hatches, accesses and ventilators.
A.Closed B.Close C.Closing
单项选择题Inform the bridge and give the alarm at once ()the fire.
A. in case B. case of C. in case of D. in the case of
单项选择题Fire and boat drills are carried out ().
A.periodically B.quarterly C.monthly D.yearly
单项选择题All the crew must know the locations as well as the ()of the life-saving and fire-fighting appliances.
A.operate B.operating C.operations D.operated
单项选择题What kind of ()can be used for gas and chemical fires?
A.equipment B.apparatus C.extinguishers D.machines
单项选择题Fires can be divided into different ().
A.kind B.kinds C.types D.B+C
单项选择题We are loading dangerous cargo, no (), please.
A.smoke B.smoked C.smoking D.to smoke
单项选择题If there is a fire on board, inform the bridge and give the ()at once.
A.sound B.sounding C.alarm D.signal
单项选择题Cast sea anchor to ()the speed of drifting raft.
A.control B.controlling C.controlled D.controls
单项选择题()the raft.
A.Right B.Re-right C.Toright D.Beright