单项选择题

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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单项选择题
A．A vacation trip to Yellow Stone Park.B．A lecture by a visiting professor.C．Her biology thesis.D．A research project.
A．A vacation trip to Yellow Stone Park.
B．A lecture by a visiting professor.
C．Her biology thesis.
D．A research project.
单项选择题
A．She is very busy with something.B．She doesn’t like to be bothered.C．She is not interested in the man.D．She wants to have a break.
A．She is very busy with something.
B．She doesn’t like to be bothered.
C．She is not interested in the man.
D．She wants to have a break.
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