單項選擇題If you hear more than six short blasts and one long blast of the whistle supplemented by the same signal on the general alarm,you should（）.

A.start the fire pump
B.go to your man overboard station
C.go to your lifeboat station
D.collision station


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1.單項選擇題If you wear extra clothing when entering the water after abandoning ship it will（）.

A.weigh you down
B.preserve body heat
C.reduce your body heat
D.make it more difficult to breathe

2.單項選擇題If,during helicopter refueling operations,fuel is spilled on clothing,the person should first（）.

A.see the medic immediately
B.spray hinself with foam or CO
C.complete his task and then see medic
D.remove the clothing and wash

3.單項選擇題In 1978,21989 vessels,including warships（）through the Suez Canal.

A.passed
B.passes
C.pass
D.past

4.單項選擇題In a married falls rig at the after end of a hatch , a boom is rigged in a fore and aft line through its heel . Stresses on the outboard guy will be least if the guy is made fast at a point（）.

A.abreast the heel
B.at right angles to the boom when viewed from above
C.aft of the heel
D.forward of the spiderband

5.單項選擇題In a twin screw ship going half-ahead , both screws turning outboard and the rudder amidships,no current or wind,the vessel will（）.

A.move bodily to port
B.move bodily to starboard
C.move in a zig-zag motion
D.steer a fairly straight course