单项选择题

What does "the gem of late 20th century technology” refer to

A．The telegraph.
B．Information theory.
C．Materials technology.
D．The Internet.

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单项选择题

What's the relevance to our own time of the struggles of telegraph pioneers

A．They made today's technology work efficiently.
B．They smooth the way for the popularity of today's technology.
C．They made the Internet a global network.
D．They overcame national and international bureaucratic obstacles.

单项选择题

All of the following facts about the telegraph and the Internet are true EXCEPT the fact that______.

A．both develop from the most advanced science of their time
B．they are operated similarly in technical terms
C．both help to change the way we do business and communicate
D．both facilitate the communication between cultures and ethnic groups

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