單項(xiàng)選擇題Aboard a survival craft,ether can be used to().

A.start the engine in cold weather
B.aid in helping personnel breathe
C.prime the sprinkler system
D.prime the air supply


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1.單項(xiàng)選擇題Above-normal tides near the center of a hurricane maybe caused by the().

A.high barometric presure
B.jet stream
C.storm surge
D.torrential rains

2.單項(xiàng)選擇題According to the customs of this port, the work of opening and closing hatch covers is done by().

A.the ship's officers
B.the foreman from the shore
C.the ship's hands
D.the tally man

3.單項(xiàng)選擇題Advise()your fishing gear.

A.you recovery
B.you reover
C.you recovering
D.you recovered

4.單項(xiàng)選擇題After abandoning ship, you should deploy the sea anchor from a life raft to().

A.keep the life raft from capsizing
B.navigate against the current
C.keep personnel from getting seasick
D.stay in the general location

5.單項(xiàng)選擇題After being launched from a vessel, totally enclosed survival craft which have been afloat over a long period require().

A.frequent opening of hatches to permit entry of fresh air
B.regular checks of bilge levels
C.use of ear plugs to dampen engine noise
D.frequent flushing of the water spray system with fresh water