單項選擇題Railroads own about （）of their car fleet.

A.Half
B.80%
C.20%
D.Not mentioned


你可能感興趣的試題

1.單項選擇題The advantage of rail transport is （）

A. Great amount of shipped
B. Less damage ration
C. Fast speed, exact schedule, and cost saved
D. Direct shipping line

2.單項選擇題The disadvantage above mentioned can be overcome by （）

A. combined transport
B. More frequency
C. Fast train
D. More flexible

3.單項選擇題The disadvantages of rail compared with motor carrier are（）

A. Cost  
B. Speed   
C. Lost and damage ratios   
D. Transit time and frequency of service