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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

By day，you sight a vessel displaying three shapes in a vertical line. The top and bottom shapes are balls，and the middle shape is a diamond. It could be a（）.

A.vessel trolling
B.mineclearing vessel
C.trawler
D.vessel engaged in replenishment at sea

單項(xiàng)選擇題

As a rule，ships of most configurations，when drifting in calm water with neglible current，will lie（）.

A.bow to the wind
B.beam to the wind
C.stern to the wind
D.with the wind on the quarter