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單項(xiàng)選擇題

Masts and derricks of cargo ships are made of（）.

A.steel
B.copper
C.bross
D.zinc

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單項(xiàng)選擇題

My ship has been delayed（）poor visibility.

A.because
B.in reason of
C.owing to
D.for

單項(xiàng)選擇題

My ship is（）No.5 berth for loading.

A.onto the wharf
B.moved astern
C.into the dock
D.moored alongside

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