单项选择题

The author thinks of the explanation given by the army as______

A．ridiculous
B．not capable of proof
C．adequate
D．scientific though seemingly simple .
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单项选择题
According to the author, the concept of people-literate in para. 2 means______
A．to make the computer learn to understand people
B．to bring computers closer to the people
C．that all the people should understand computers
D．that all the people should learn to use computers
单项选择题
David Tebbutt is a(n)______ computer expert.
A．English
B．American
C．Japanese
D．German
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