抽象的
Web alert: online learning
Richard Beard
The popularisation of the Internet as a means of communication has prompted the development of many new concepts and the rethinking of approaches to many traditional activities.
免责声明: 此摘要通过人工智能工具翻译，尚未经过审核或验证
English 
Spanish 
Russian 
German 
French 
Japanese 
Portuguese 
Hindi