单项选择题

The passage is mainly about_________.

A．Gnutella and Napster - two downloading software
B．Gnutella and Napster - two searching software
C．how to download information through Napster
D．downloading whatever files from the Internet by Gnutella

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单项选择题

Which of the following statements is true about Gnutella

A．It is causing troubles for campus computer system.
B．It designs an easy and open environment to share information.
C．It is difficult to install.
D．It is designed in the popular MP3 format.

单项选择题

We can learn from the passage that Napster has been blocked by several universities because_________.

A．it was designed by a child
B．it is more dangerous than any other software
C．downloading large audio files at same time has made computer systems slow
D．it allows online users to search for almost anything