http://digfir-published.macmillanusa.com/video_public_speaking_accessible/video_public_speaking_accessible_ch178.html
Chapter
178. Preview statement (missing) (NEEDS IMPROVEMENT)
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http://digfir-published.macmillanusa.com/video_public_speaking_accessible/video_public_speaking_accessible_ch178_dlap.xmlDLAP questions59d7ab767894d24a7c000009