单项选择题

There are three types of volcanoes; active volcanoes, dormant volcanoes and ______ volcanoes.

A. extinguished
B. extinct
C. distinct
D. instinctive
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单项选择题
The film star has cut a (an) ______ figure in the country, and it seems everyone knows her.
A. conspectus
B. conscientious
C. conspicuous
D. ambiguous
单项选择题
I have to give up my job in advertising because I can't keep up with the rapid ______ of work.
A. rate
B. pace
C. speed
D. velocity
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