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單項(xiàng)選擇題

Which area is the most commodities shipped in water transport?（）

A. In international deep sea
B. In lakes
C. In river and canals
D. Coastal ocean

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單項(xiàng)選擇題

What is the meaning “speed is not of primary importance”? （）

A. Speed is important
B. Speed is not the most important
C. Speed is mainly important
D. Speed is first important

單項(xiàng)選擇題

What are transported mainly by water? （）

A. Raw materials
B. Heavy, bulky and low value commodities
C. Semi-processed
D. Great amount goods

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