单项选择题

In he third paragraph "scientific technology" is ______.

A．the application of scientific knowledge to the skills of industry
B．the application of science and industry to daily life
C．science and industry' as the basis of progress
D．the use of science and industrial techniques in gaining control of the universe
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单项选择题
The main idea of the last paragraph is that ______.
A．paper record is the most convenient medium for later reference
B．electronic mail costs less than postage to mail paper memos
C．different media for information may be selected for different purposes
D．by using different media, a firm can create various information for its objectives
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 and out side his organization
D．use one format in processing information
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