1 .		Many speakers are using presentation software because it makes their presentations more professional looking and also enabling them to import spreadsheets and graphics from other programs.     parallel   needs revision
2 .		Presentation software can allow a speaker to play slides automatically at a preset rate of speed, add an audio background, and special sound effects may also be added as the text comes onto the screen.     parallel   needs revision
3 .		Speakers can also custom-design the appearance of slides by using colored backgrounds, a choice of fonts, and graphic designs such as clipart, photographs, and logos.     parallel   needs revision
4 .		Among the design backgrounds available are an industrial grid, a dramatic sunset, and you can also choose a Japanese nature scene.     parallel   needs revision
5 .		Speakers can print out their slides in several formats: one slide per page, multiple slides per page, slides and notes, or they can print out notes without the slides.     parallel   needs revision