Showing charts or graphs in powerpoint in a presentation is clear enough, more explanation would distract our audience.
学术英语视听说
章节列表
Unit 1 Orientation2Unit 2 Getting a big picture4Unit 3 Summarizing details and formatting lecture notes4Unit 4 Signal types, abbreviations, and numbers2Unit 5 Presentation basics4Unit 6 Focusing on your topic and introduction4Unit 7 Organizing body of a presentation3Unit 8 Organizing conclusion of a presentation2Unit 9 Using visual aids3Unit 10 Conveying message3Unit 11 Handling Q&A session2Unit 12 Seminar3Final exam5