单项选择题

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

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