单项选择题


Questions 29 to 31 are based on the passage you have just heard.

A．It first become serious about five years ago.
B．It has finally been brought under control.
C．It may lead to prosperity.
D．It has been climbing.
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单项选择题
A．Drive in the wind and rain.B．Listen to John.C．Go to an indoor theater.D．See a film.
A．Drive in the wind and rain.
B．Listen to John.
C．Go to an indoor theater.
D．See a film.
单项选择题
A．At a dentist office.B．In a school.C．In an ambulance.D．At a hospital.
A．At a dentist office.
B．In a school.
C．In an ambulance.
D．At a hospital.
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