单项选择题
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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相关考题
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单项选择题
How many categories are there in water transport?（）
A. 2
B. 3
C. 4
D. Not available in the paragraph -
单项选择题
How many tons does the cargo 737 carry? （）
A. 100 tons
B. Not clear
C. more than 100 tons
D. I don’t know -
单项选择题
Where is the most air freight shipped in the passenger aircraft?（）
A. separately
B. Not clear
C. In the lower part
D. Not mention here
