单项选择题

What did the professor want to talk to Ann about

A．A vacation trip to Yellowstone Park.
B．A lecture by a visiting professor.
C．Her biology thesis.
D．A research project.
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单项选择题
Why does the professor think Ann would be interested in going to Yellow Stone
A．She is from Wyoming.
B．She needs the money.
C．She has been studying animal diseases.
D．Her thesis adviser is heading the project.
单项选择题
According to the professor, why is the buffalo population increasing
A．More buffalo are surviving the winter.
B．Fewer buffalo are dying of disease.
C．More buffalo are being born.
D．Fewer buffalo are being killed by hunters.
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