单项选择题
A. Yes B. Depend C. Not clear D. No mention
How long is the economic distance for motor? （）A. 750 m...
单项选择题How long is the economic distance for motor? （）
A. 750 miles B. 1000km C. 1000 miles or less D. 200 km
What are the advantages for motor transportation? （）A. ...
单项选择题What are the advantages for motor transportation? （）
A. Door-to-door service B. Fast C. Flexibility D. A and C
Container is most benefit for （）A. Transport, carrying,...
单项选择题Container is most benefit for （）
A. Transport, carrying, loading and unloading B. Storage C. Transporting D. Distribution
