单项选择题

The bosun has thrown the liferaft into the water before abandoning the vessel. The operating cord（）.

A.serves as a sea painter
B.detaches from the liferaft automatically
C.is used to rig the boarding ladder
D.is cut immediately as it is of no further use

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单项选择题

The air spaces in the floor of an inflatable liferaft will provide protection against（）.

A.asphyxiation from CO₂
B.loss of air in the sides of the raft
C.rough seas
D.cold water temperatures

单项选择题

Signaling devices which are required on inflatable liferafts include（）.

A.a rocket shoulder rifle
B.an oil lantern
C.red flares
D.an air horn

单项选择题

Signaling devices required on inflatable liferafts include a(n) （）.

A.Very pistol
B.orange smoke signal
C.air horn
D.lantern