每日一练：职称英语B级每日一练(2014-12-15)
【单选题】
Such a database would be extremely costly to set up.
A. destroy
B．transfer
C．update
D．establish
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每日一练：职称英语B级每日一练(2014-12-15)
【单选题】
Such a database would be extremely costly to set up.
A. destroy
B．transfer
C．update
D．establish
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