单项选择题

In recent years there has been a ______ increase in the cost of living; many families have to depend on the federal aids.

A．ponderous
B．powerful
C．significant
D．violent
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单项选择题
Telecommuting—substituting the computer for the trip to the job—has been ______ a solution to all kinds of problems related to office work.
A．hailed as
B．drawn out
C．borne out
D．lodged in
单项选择题
The reception was attended by various ______ members of the local community and representatives of regional industries.
A．protuberant
B．conspicuous
C．prominent
D．projecting
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