单项选择题

In the early 20th century, at the advent of the telephone, it was considered a superfluous instrument which would never be of practical use in the average household.

A．appearance
B．popularity
C．dominance
D．consolidation
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单项选择题
The low interest rates on banks loans provided an impetus for many to buy homes.
A．incentive
B．obstacle
C．reason
D．delay
单项选择题
Many people in Wales have an affinity with music.
A．reputation for
B．solubility in
C．tincture in
D．attraction to
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