问题
单项选择题
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
答案
参考答案：A
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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
参考答案：A