单项选择题

A．A discussion of air pollution.
B．Predictions of fuel surpluses.
C．Slides of recently discovered fossils.
D．A description of urban transportation patterns.
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单项选择题
A．Eleven dollars for the event.B．Five dollars for the event.C．One dollar per mile.D．Twenty-five cents or less per mile.
A．Eleven dollars for the event.
B．Five dollars for the event.
C．One dollar per mile.
D．Twenty-five cents or less per mile.
单项选择题
A．She is still under training for her new job.B．She is not sure if her boss would allow her to go.C．She is having some trouble now.D．She doesn’t want to go on holiday with the man.
A．She is still under training for her new job.
B．She is not sure if her boss would allow her to go.
C．She is having some trouble now.
D．She doesn’t want to go on holiday with the man.
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