单项选择题

What type of scientific discoveries does the woman mainly talk about

A．Archaeological.
B．Biological.
C．Meteorological.
D．Sociological.
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单项选择题
The man did the following through the Internet that day EXCEPT ______.
A．received and sent some e-mails
B．booked an airline flight
C．did some shopping
D．winched a video program
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