单项选择题

A．Just like an advanced typewriter.
B．Equipped with a memory.
C．Used as a filing cabinet.
D．Easier to check and correct mistakes.
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单项选择题
A．In the later 1920s.B．In the mid-1950s.C．In the 1970s.D．In the mid-1980s.
A．In the later 1920s.
B．In the mid-1950s.
C．In the 1970s.
D．In the mid-1980s.
单项选择题
A．Power.B．Academic degree.C．Wealth.D．Diligence.
A．Power.
B．Academic degree.
C．Wealth.
D．Diligence.
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