單項(xiàng)選擇題If you saw flames aboard a vessel but could see the vessel was not on fire，you would know that the（）.

A.crew was trying to get warm
B.vessel required immediate assistance
C.vessel was attempting to attract the attention of a pilot boat
D.vessel was being illuminated for identification by aircraft


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1.單項(xiàng)選擇題If there are a number of survivors in the water after abandoning ship，they should（）.

A.tie themselves to the unit so they won't drift with the current
B.form a small circular group to create a warmer pocket of water in the center of the circle
C.send the strongest swimmer to shore for assistance
D.form a raft by lashing their life preservers together

3.單項(xiàng)選擇題If it is impossible to avoid a hurricane in the Northern Hemisphere，the most favorable place to be when the storm passes is in（）.

A.the dangerous semicircle
B.the eye (center) of the storm
C.that half of the storm lying to the right of the storm's path
D.that half of the storm lying to the left of the storm's path

4.單項(xiàng)選擇題Following a collision or accident，the Master of each vessel involved must render assistance to persons affected by the collision or accident（）.

A.if he can do so without any risk to his vessel
B.if he can do so without undue delay
C.if he can do so without serious danger to his vessel or to individuals on board
D.without regard to any danger to his vessel

5.單項(xiàng)選擇題Each hose in the fuel transfer system for helicopter refueling must have a（）.

A.static grounding device
B.quick-disconnect nozzle
C.splash guard
D.vapor recovery system