单项选择题

The first paragraph aims at telling the reader ______.

A．the importance of information resources management
B．the relationship between the medium and information
C．the great variety of media for holding information
D．the numerous resources of information

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单项选择题Which of the following can best sum up the passage

A．Media Selection in Managing Information Resources.
B．The Importance and Necessity of Media Conversion.
C．Three Categories of Information Media.
D．Various Means of Communicating Information.

单项选择题For effective management of information resources, the manager should ______.

A．convert all paper documents to electronic media
B．make media conversion when necessary
C．control the media used to generate information both inside arid outside his organization
D．use one format in processing information