单项选择题

This passage is mainly about ______.

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

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单项选择题

The underlined word perturb in the first paragraph most probably means ______.

A．modify
B．neglect
C．permeate
D．upset

单项选择题

Which of the following statements is true according to this passage

A．The borderline between the common good and personal privacy is no longer elusive.
B．With the development of information technology even highly skilled and professional functions may become obsolete.
C．People can never catch up with the rate of obsolescence of knowledge.
D．People who are given access to information are literate.