单项选择题

The decline of bus ridership in the U.S. is caused by ______.

A．the rise of bus fares
B．the increased number of private cars
C．the improvement of the commuter railroad service
D．the poor condition of the transportation infrastructure

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热门试题

单项选择题

Which of the following is NOT true of the public transportation systems in the developed countries

A．Commuter railroad service, trolleys and buses have been reduced in the U. S.
B．Subways have largely been maintained.
C．Fares usually can not cover operating costs.
D．U.S. officials think it worthwhile to subsidize public transportation.

单项选择题

Which of the following countries is the locality of the R. E.R. system

A．England.
B．the United States.
C．Germany.
D．Franc