On a lifeboat equipped with Rottmer-type releasing gear，turning the releasing lever releases（）.

A . locked cabinet in the machinery space B . unlocked cabinet in the machinery space C . separate and accessible location D . location near a fire hydrant

A . Tanks for the storage of drinking water B . Ballast tanks to prevent the boat from capsizing C . A hydraulic start diesel engine D . Auxiliary mechanical propulsion (Fleming gear)

A . increasing the righting moment B . decreasing the vessel's displacement C . increasing the reserve buoyancy D . shifting the CG（center of gravity）off center

A . Number of persons allowed B . Name of the vessel C . Weight of the boat D . Home port

A . free reception B . free transmission C . dedicated reception D . dedicated transmissio

A . boathook B . fishing kit C . lifeline or grab rail D . sea painter

A . home address B . duties C . home phone number D . nearest relative's addre

A . run as fast as the boat will go and keep the sea on the stern B . secure the engine，put sea anchor over the bow，put out the oars，use sweep oar and back onto beach C . go in under oars and put out the sea painter D . put the sea broadside and let the boat drift ashore

A . remove their life preservers to make it easier to climb on board the rescue vessel B . climb on top of the boat while waiting for their turn to transfer to the rescue vessel C . remain seated inside and make the transfer one person at a time D . enter the water and swim over to the rescue vessel

A . three months B . six months C . twelve months D . eighteen month

A . keep the bow directly in toward the beach，and tow the sea anchor off the stern B . ride in on the back of a large breaker C . keep the bow into the seas with the sea anchor out over the bow，and row to meet the breaking waves D . head directly into the beach by staying between the crests of the wave

A . bailer B . sponge C . whistle D . fishing kit

A . limit switches B . emergency disconnect switch C . governor brake D . position of the counterweight on the brake handle

A . Certificate of Inspection B . Certificate of Seaworthiness C . Classification Certificate D . Certificate of Registry

A . drain the accumulators and purge with oxygen B . bleed off all stored energy from the accumulators completely C . charge the accumulators to prevent system energy loss D . pump the hydraulic fluid into the accumulators to prevent fluid lo

A . in a locked cabinet in the machinery space B . in an unlocked cabinet in the machinery space C . in a separate and accessible location D . at a fire hydrant locatio

A . unbalanced rudders B . balanced rudders C . contraguide rudders D . straight rudder

A . determined by the Master B . specified by the Coast Guard C . specified by the manufacturer D . None

A . A red parachute flare B . A red hand-held flare C . A flashlight D . A lanter

A . in a locked cabinet in the machinery space B . in an unlocked cabinet in the machinery space C . in a separate and accessible location D . at a fire hydrant locatio

What does "in-flight service" (Line 1, Para, 5 ) mean？ A．Service on the plane. B．Flights within one country. C．A new safety device. D．Charge-free air service.