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單項選擇題

What does “VHF” stand for?（）

A.echo sounder
B.radar
C.direction finder
D.radiotelephone

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單項選擇題

There are some navigational instruments（）.

A.in bridge
B.on the deck
C.in the radio room
D.on the hold

單項選擇題

Please supply my vessel（）300 tons of fresh water.

A.with
B.on
C.by
D.for

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