單項選擇題If there’s a fire aboard your vessel, you should first（）.
A.notify the competent authorities
B.sound the alarm
C.have passengers put on life preservers
D.cut off air supply to the fire
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1.單項選擇題If two sailing vessels are running free with the wind on the same side, which one must keep clear of the other?（）.
A.The one with the wind closest abeam
B.The one to windward
C.The one to leeward
D.The one that sounds the first whistle signal
2.單項選擇題If your weather bulletin shows the center of a low pressure area to be 100 miles due east of your position, what winds can you expect in the northern hemisphere?（）.
A.East to northeast
B.East to southeast
C.North to northwest
D.South to southeast
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