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單項(xiàng)選擇題

Timber is in （）.

A.cases
B.bags
C.bundles
D.drums

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單項(xiàng)選擇題

A （）can give power to hoist or lower cargo.

A. cargo winch
B. lift winch
C. derrick
D. crane

單項(xiàng)選擇題

Rubbish can be thrown into the water （）.

A. in a harbour
B. in any place
C. 25 miles off the land
D. 10 miles off the land