单项选择题

Libraries have reference books ______ you can check out a physician’s educational background, training, and other credentials.

A．from that
B．of which
C．through that
D．by which
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单项选择题
My father decided to make me go back to college immediately, study my lessons carefully, and______.
A．a master’s degree must attain
B．must attain my master’s degree
C．attain my master’s degree
D．my master’s degree be attained
单项选择题
True patriotism______putting the interests of one’s country above everything, including one’s own life.
A．copes with
B．derives from
C．takes in
D．relies on
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