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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单项选择题

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

单项选择题

A.2
B.3
C.4
D.Not available in the paragraph

单项选择题

A.100 tons
B.Not clear
C.More than 100 tons
D.I don’t know