单项选择题

A．To choose a topic for a term paper.
B．To type some research materials.
C．To find material not available anywhere else.
D．To learn to use the computers there.
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单项选择题
A．In a library.B．In a restaurant.C．In a hospital.D．In a drugstore.
A．In a library.
B．In a restaurant.
C．In a hospital.
D．In a drugstore.
单项选择题
A．A very large stone.B．A cow.C．A big tree.D．A sack of rice.
A．A very large stone.
B．A cow.
C．A big tree.
D．A sack of rice.
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