More and more cities appear．,There are increasing compl-找考题网

单项选择题

A．More and more cities appear.
B．There are increasing complaints about environmental problems.
C．More and more people pour into cities.
D．One-third of industrial sewage in the cities went untreated.

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单项选择题A．His stories were enriched by his travels.B．His travels prevented him from writing.C．He traveled in order to relax from the pressures of writing.D．He traveled around to publish his writing.

A．His stories were enriched by his travels.
B．His travels prevented him from writing.
C．He traveled in order to relax from the pressures of writing.
D．He traveled around to publish his writing.

单项选择题A．At a railway station.B．At an airport.C．On an airplane.D．At a bus stop.

A．At a railway station.
B．At an airport.
C．On an airplane.
D．At a bus stop.

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