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單項選擇題

（）are usually stowed both above and below deck.

A.Containers
B.Trucks
C.Machinery
D.Clamps

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單項選擇題

There is no power for the （）.

A. derrick
B. winch
C. block
D. heavy derrick

單項選擇題

The bosun is greasing the （）. It is well greased.

A. rope
B. cargo wire
C. ladder
D. All above.