Impromptu speaking reinforces all aspects of good public speaking: quick thinking, sound argumentation, strategic word choice, and engaged delivery.
A.
正确
B.
错误
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举一反三
【单选题】Most people want to work, but it has become more difficult in today's world to find work for everybody. The economies(经济) of the world need to grow by 4% each year just to keep the old number of jobs ...