单项选择题
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 importan
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相关考题
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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 -
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
