A.freshB.toxicC.poisonThe air is （）. Don’t enter that a……

单项选择题Post two lookouts with （）.

A.sextant
B.compass
C.radar
D.binoculars

单项选择题Fire in the cabins. Close all fire doors and use the （）powder extinguisher.

A.dry
B.wet
C.foam
D.portable

单项选择题After joining the ship, the crew members should be （）with their emergency duties.

A.know
B.familiarize
C.familiar
D.familiarity

单项选择题Take off fore and aft boat （）.

A.plugs
B.nests
C.davits
D.covers

单项选择题Put all the fire-fighting equipment back in place and （）them away.

A.take
B.keep
C.stow
D.let

单项选择题The fire site has been （）up.

A.taken
B.put
C.cleaned
D.kept

单项选择题Put out the fire right now and （）around hold No2.

A.cool
B.heat
C.hot
D.warm

单项选择题The fire-fighting （）is ready.

A.party
B.part
C.crew
D.members

单项选择题Cargo in hold No.2 is on（） .

A.water
B.oil
C.fire
D.A+B

单项选择题CO2 and Halon extinguishers are used for electrical fire, as well as （）fire.

A.common
B.oil
C.electrical
D.chemical

单项选择题Lifeboat launching is operated at intervals of （）months.

A.one
B.two
C.three
D.four

单项选择题Fire drill is carried out once a （）.

A.year
B.day
C.week
D.month

单项选择题Any emergency pump situated （）machinery space should also be started.

A.outside
B.under
C.beside
D.besides

单项选择题On hearing the fire signal, the crew should proceed immediately to （）their assigned duties.

A. carry on
B. put out
C. carry out
D. take off

单项选择题Efficient fire-fighting drill demands the full （）of persons in all departments of the ship.

A.operate
B.operation
C.co-operate
D.co-operation