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.

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单项选择题

Which of the following statements is true according to the author

A．Paper is the best storage device.
B．People have three choices in selecting information media.
C．It is better to let the person responsible for information resource management determine media.
D．The manager should build an effective system by selecting a good combination of different media.

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