A．It is more comfortable than a conventional train.
B．It doesn't require very much track maintenance.
C．It doesn't remain in any station very long.
D．It carries more passengers than a conventional train.
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A．Social work.
B．Medical care.
C．Applied physics.
D．Special education.
A．the timely advice form her friends and relatives
B．the two-year professional training she received
C．her determination to fulfill her dream
D．her parents' consistent moral support
A．get the funding for the hospitals.
B．help the disabled children there.
C．train therapists for the children there.
D．set up an institution for the handicapped.