单项选择题
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A.To type some research materials.
B.To learn to use the computers there.
C.To get material not available at the main library.
D.To choose a topic for a term paper.
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单项选择题
A.By December 30th.B.By New Year’s.C.By December 3rd.D.By December 13t
A.By December 30th.
B.By New Year’s.
C.By December 3rd.
D.By December 13t
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单项选择题
A.instrumentB.applianceC.apparatusD.equipment
A.instrument
B.appliance
C.apparatus
D.equipment
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