题目内容
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[主观题]
A．Train travel will prove much more comfortable than air travel.B．Passengers will feel
A．Train travel will prove much more comfortable than air travel.
B．Passengers will feel much safer on board a train than on a plane.
C．Rail transport will be environmentally friendlier than air transport.
D．Traveling by train may be as quick as, or even quicker than, by air.
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