单项选择题

A．To test students through computers.
B．To store statistics about students.
C．To help professors do research work.
D．To aid students in registration.
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单项选择题
A．At a bakery.B．In a library.C．At a restaurant.D．At a travel agency.
A．At a bakery.
B．In a library.
C．At a restaurant.
D．At a travel agency.
单项选择题
A．Three.B．Four.C．Eight.D．Five.
A．Three.
B．Four.
C．Eight.
D．Five.
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