It is concluded that there are five categories of Web-Supported Collaborative Project-Based Learning Activity, including question communication, production design, resource collecting, production evaluation and role playing etc.

• 研究结论表明,中小学基于专题的网络协作学习活动的基本类型主要有:问题讨论、作品设计、资源搜集、作品评价和角色扮演等五种。