单项选择题

This passage is mainly about ______.

A．information technology
B．an increasingly knowledge-intensive environment
C．a modern definition of literacy
D．effects of modern information systems on the individual

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单项选择题

From the passage, we can conclude that ______.

A．video conferencing will be an instance of superiority for some companies
B．video conferencing will be applied where communication is important
C．video, conferencing will be a standard configuration for all people's computers
D．video conferencing still have a lot of room for improvement

单项选择题

Which of the following is the best possible title for this essay

A．An Introduction to Desktop Video Conferencing.
B．Modem Office and Video Conferencing.
C．A New Solution for Office Work.
D．Face to Face with Your Partners.