单项选择题

From the passage we know that the development of high technology is in the interests of ______.

A．the world economy
B．the rich countries
C．scientific development
D．the elite
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单项选择题
The development of modern communications technology in developing countries may ______.
A．force them to reduce their share of exports
B．cost them their economic independence
C．hinder their industrial production
D．cause them to lose control of their trade
单项选择题
The author's attitude toward the communications revolution is ______.
A．tolerant
B．indifferent
C．positive
D．critical
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