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
One of the messages the man got was from _______.
A．his mother
B．his father
C．his friends
D．his boss
单项选择题
Where did the big fire happen
A．In Hong Kong.
B．In Sail Francisco.
C．In Chicago.
D．In the man's offic
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