ReadingExplorer, an introduction to audio-visual books. Keynote, imported version of College Experience English, a brand-new audio-visual course of College English.

Keynote was born in June 5438 +2003 10. It was introduced by Apple and runs under the MacOSX operating system. Keynote not only supports almost all picture fonts, but also makes the interface and design more graphical. With the help of graphics technology such as Shi Ying built into macOS, the slides made are more eye-catching.