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單項(xiàng)選擇題

Floating, caused by winds and current with a determinable direction defines（）.

A.floating
B.sailing
C.drifting
D.running into danger

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單項(xiàng)選擇題

Floating, not controlled, without a clearly determinable direction means（）.

A.grounding
B.sailing
C.adrift
D.running into danger

單項(xiàng)選擇題

How should the number 1 be pronounced when spoken on the radiotelephone?（）.

A.OO-NO
B.O -NAH-WUN
C.NUM-EV-WUN
D.NEW-MAL-WON

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