单项选择题

By tuning this knob to the right you can______ the sound from this radio.

A．amplify
B．enhance
C．magnify
D．retard
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单项选择题
Several international events in the early 1990s seem likely to______, or at least weaken, the trends that emerged in the 1980s.
A．revolt
B．revolve
C．reverse
D．revive
单项选择题
He got______ of his colleagues and won the prize because of his great achievements.
A．the hit
B．the best
C．the esteem
D．the remorse
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