A.ClosedB.CloseC.Closing（） fire doors, windows, hatches……

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

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

单项选择题Detach the fore and aft side hooks, （）the fore and aft boat nests.

A. take in
B. take on
C. take off
D. take down

单项选择题Take （）of hydrants, fire hoses and nozzles.

A.careful
B.care
C.careless
D.carefully

单项选择题Water can put out common fires, such as （）.

A.wood，paper
B.textile
C.A+B
D.oil

单项选择题For the duties （）in one emergency, one person may do more than one job and one job may be done by more than one person.

A.assigning
B.assign
C.toassign
D.assigned