单项选择题

To______ the heat released from the inside machine, powerful ventilators were used.

A．dispatch
B．dissipate
C．distract
D．displace
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单项选择题
With______ feelings of sorrow and joy, Mary looked at his husband who had been in other country for 10 years.
A．magnified
B．mingled
C．manifested
D．merged
单项选择题
As was estimated in 1997, .total telephone sets now in use in the United Stated numbered 170 millions. With so many sets______ into a system, efficiency is a major concern.
A．compiled
B．knitted
C．integrated
D．elapsed
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