问题
单项选择题
（）Which area is the most commodity 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 commodity 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