You can search the name of the free downloaded document on the Internet, open it with your mobile browser, set your mobile phone to web page mode, and copy it directly with your mobile phone. 163 library is a professional platform for sharing and downloading educational materials. On this platform, you can share or download excellent courseware ppt, teaching plan, teaching design, test paper, mp3 of text and video listening, teaching plan, electronic teaching materials, review materials for senior high school entrance examination and college entrance examination, etc.