单项选择题

Argonne believes that people should regard maglev transportation as ______.

A．safe, efficient high-speed trains
B．the most exciting form of transportation for the future
C．a kind of aircraft
D．the most economical form of transportation

<上一题目录下一题>

热门试题

单项选择题

What is the best title for this passage

A．The Future of Transportation.
B．Argonne Develops Maglev Train.
C．The Disadvantages of Commuting by Airplane.
D．Commuting in the Future.

单项选择题

Why could maglev trains replace short-flight commuter aircraft

A．Maglev trains are faster.
B．Maglev trains are more fuel-efficient.
C．Maglev trains are cheaper.
D．Maglev trains are safer.