单项选择题

This article tells that the Speech Machine's system comes from ______ technology.

A．military
B．traditional
C．E-mail
D．internet
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单项选择题
According to the passage, the Speech Machine's system was developed by ______.
A．the telephone office
B．a British company
C．the Defense Research Agency
D．the military service
单项选择题
The first tin coins were made ______.
A．in China
B．in Philippine
C．in England
D．in countries of Africa
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