单项选择题
What is the meaning of Metropolitan area? （）
A. Around the city
B. City itself
C. The area near the city
D. Big city and its neighbor area
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相关考题
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单项选择题
Railroads own about （）of their car fleet.
A.Half
B.80%
C.20%
D.Not mentioned -
单项选择题
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 -
单项选择题
The disadvantage above mentioned can be overcome by （）
A. combined transport
B. More frequency
C. Fast train
D. More flexible
