单项选择题

Before the invention of photoengraving, steel and copperplate engraving served as the principal means of reproducing illustrations.

A．visions
B．pictures
C．advertisements
D．pages
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单项选择题
Students working toward a degree in business are likely candidates for careers in the banking industry.
A．lively
B．friendly
C．promising
D．sophisticated
单项选择题
An introverted person is inclined to be moody.
A．fanciful
B．changeable
C．depressed
D．gloomy
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