单项选择题

What is the passage mainly about

A．The communication revolution made by computers.
B．The development of Information Superhighway.
C．The advantages of the World Wide Web.
D．The development of the Internet.
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单项选择题
Which of the following statements is true according to the passage
A．The Information Superhighway is the Internet.
B．Everyone is aware of the Information Superhighway.
C．Using the Internet costs the owner of a telephone extra money.
D．Internet computer connections are made by using telephone lines.
单项选择题
According to the passage, hypertext (Line 8, Para. 2) is a______.
A．process through which the homepages can be connected to other pages and computers
B．process through which a user can surf the Internet through homepages
C．text which can illustrate the contents of a homepage
D．process through which a homepage can be made
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