Inform the bridge and give the alarm at once （）the fire.

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

单项选择题“In no time” means（）.

A. have no time
B. in a minute
C. a long time
D. on time

单项选择题Make （）the fore rope and lay out the embarkation ladder.

A.fast
B.faster
C.last
D.from