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單項(xiàng)選擇題

The signal for fire alarm on a ship must be indicated（）.

A.at each alarm bell
B.at each alarm actuator
C.near all exits
D.on the station bill

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單項(xiàng)選擇題

The patrolman，while on duty on a passenger vessel，must have in his possession a(n)（）.

A.nightstick
B.flashlight
C.passenger list showing assigned berths
D.A-I fire extinguisher

單項(xiàng)選擇題

The only type of helicopter that may be refueled with the engine running and the blades turning is（）.

A.a helicopter carrying cargo only
B.a turbine-equipped helicopter
C.a Sikorsky
D.a helicopter carrying injured personnel in an emergency situation

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