A handout is a simple way to help people remember what you have said, which may contain an outline of your remarks.
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Impromptu is a planned spontaneous presentation.
A. 对
B. 错
If a person asks a question that you don't understand, you may just ignore it.
A. 对
B. 错
Periodically ______what you have covered so far.
______your presentation can help you eliminate potential problems and build up your confidence.
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