单项选择题

What does the man need from the library

A．A research study written by his professor.
B．Demographic information about people living in Europe.
C．Information on research methods in demographics.
D．A specific geography reference book.
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单项选择题
What is the woman’s hobby
A．Collecting umbrellas.
B．Collecting stamps.
C．Playing the violin.
D．Playing tennis.
单项选择题
Who first created the networks that later developed into the Internet
A．Some scientists and university students.
B．Big businesses.
C．The U.S. Department of Defense.
D．The U.S. government together with several European governments.
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