- 问题详情:PublicSpeakingPublicspeakingcanbedefinedastheactofmakingaspeechinfrontofagroupoflisteners.Thetypesofpublicspeakingaredeliberatelystructuredwiththreegeneralpurposes:toinform,topersuadeandtoentertaintheaudience.Aninformativespeechhasapurposetoi...
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