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單項(xiàng)選擇題

Mariners are reminded that they should proceed in the general direction indicated by the arrows or，if（）a lane，they should do so as nearly as practicable at right angles to it.

A.cross
B.crossing
C.crossed
D.crosses

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單項(xiàng)選擇題

Mainly east 3 or 4 partly cloudy to overcast occasional rain（）slowly south moderate or good.

A.spreading
B.proceeding
C.bounding for
D.going to

單項(xiàng)選擇題

Large vessel leaving. Keep clear（）approach channel.

A.off
B.reach
C.from
D.of

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