单项选择题

A．She must look after the passengers and do routine work.
B．She must fulfill special duties under all situations.
C．She must remain calm in case of an emergency.
D．She must keep the plane in normal order.
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单项选择题
A．They are built in the countryside.B．They are well decorated.C．They are located in warm areas.D．They are financed by the government.
A．They are built in the countryside.
B．They are well decorated.
C．They are located in warm areas.
D．They are financed by the government.
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