單項(xiàng)選擇題

Whenever your marine radio is on，F(xiàn)CC Rules require you to monitor（）.

A.a commercial ship-to-ship channel
B.the last frequency that was used
C.the distress and calling frequency
D.the radio only if expecting a call

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單項(xiàng)選擇題

When you are firing a pyrotechnic distress signal，it should be aimed（）.

A.horizontally and directly abeam of your vessel
B.at the vessel whose attention you want to attract
C.into the wind
D.at greater than 60 degrees above the horizon

單項(xiàng)選擇題

When two vessels are in immediate danger of collision，the stand-on vessel must（）.

A.abandon ship
B.assist in taking whatever action is necessary to avoid collision
C.hold course and speed
D.sound a distress signal

Whenever your marine radio is on，F(xiàn)CC Rules require you to monitor（）.

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When you are firing a pyrotechnic distress signal，it should be aimed（）.

When two vessels are in immediate danger of collision，the stand-on vessel must（）.

Whenever your marine radio is on，F(xiàn)CC Rules require you to monitor（）.

When you are firing a pyrotechnic distress signal，it should be aimed（）.

When two vessels are in immediate danger of collision，the stand-on vessel must（）.