单项选择题

A．There is a danger of accidents on the line.
B．There is no danger of accidents on the line.
C．Their speeds will be automatically fixed by the computers.
D．One train will keep a safe distance from the other trains.
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单项选择题
A．The author is very optimistic.B．Too much emphasis has been given to degree education while less to practical skills.C．Education in modern times is totally a failure.D．The author is quite pessimistic.
A．The author is very optimistic.
B．Too much emphasis has been given to degree education while less to practical skills.
C．Education in modern times is totally a failure.
D．The author is quite pessimistic.
单项选择题
A．It is out of order.B．It’s out of service.C．This is not No. 316 bus.D．It goes to the wrong direction.
A．It is out of order.
B．It’s out of service.
C．This is not No. 316 bus.
D．It goes to the wrong direction.
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