单项选择题

NCSA aims to develop（）

A．a new Internet browser.
B．a more powerful national system.
C．human-computer intelligence interaction.
D．a new global network.

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单项选择题Today's computers can process data （） times faster than the 1952 model, ILLIAC.

A．4
B．100
C．200
D．4,000

单项选择题The writer of this letter attempts to （）the views in the editorial.

A．refute
B．illustrate
C．support
D．substantiate

单项选择题The passage is most probably from

A．a review of a book on cowboys.
B．a study of cowboy work culture.
C．a novel about cowboy life and culture.
D．a school textbook on the cowboy history.

单项选择题The author's main argument is that（）

A．most farmers in developing countries face unemployment.
B．developing countries need agricultural aid to boost economy.
C．agricultural aid hurts the economy in developing countries.
D．a well-developed agricultural sector provides a domestic market.

单项选择题The primary purpose of the letter is to（）

A．illustrate the World Bank's efforts in poverty-relief programmes.
B．call for further efforts by the nations in sustainable developement.
C．provide evidence for the World Bank's aid to the private sectors.
D．clear up some misunderstanding about the World Bank.