) ● (71 now plays a central role in the global economy.(71)A. DataB. CPUC. InformationD. Operation
) ● (71 now plays a central role in the global economy.
(71)
A. Data
B. CPU
C. Information
D. Operation
相关考题：
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Which of the following is not a while-speaking activity?A.Describing people and events．B.Role-plays．C.Exchanging information．D.Reporting results．