单项选择题


Questions 24 and 25 are based on the following news. At the end of the news item, you will be given 10 seconds to answer the questions.
Now listen to the news.
What does this conference center on

A．Bridges.
B．Computers.
C．Internet.
D．Telecommunication.
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Developed countries take ______ of the world’s health expense.
A．20 %
B．00%
C．5%
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What is the passage mainly about
A．Forthcoming improvements on the Internet.
B．Chinese characters on the Internet.
C．Delivery of emails on the Internet.
D．Different languages on the Internet.
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