Web2.0的基本特征有以下几点：首先是互动。在网站中信息不但可以读，还可以写，即web2.0网站是一个互动的环境，用户可以把信息上载到网络或下载到个人电脑中。其次是参与，用户在网站系统内拥有自己的数据，每个用户都是自己的页面的主人，自由决定上面的信息。 再次是分享。用户不但可以方便而全面地看到别人那里公开的信息，而使其成为自己的资源和思想，同时还可以将自己的资源拿出来在网络上共享，使其为更多需要的人服务。此外，web2.0完全基于网络（web），不需要本地任何资源支持，所有功能都能通过浏览器完成。
译文:
The First Assignment
The basic characteristics of Web2.0 are as follow: firstly, interaction. You can not only read but also write on the internet. Namely, it is totally an interaction environment and the user can upload the statistic to the internet and download to his or her own computer. Secondly, participation. The user has his or her own statistics and every user is the owner of the page and can decide the information on the page. Thirdly, share. The user can not only see other's information easily, making it as his or her own thinking but also can share the resource on the internet for more people to use it. Moreover, Web2.0 is based on web totally and it does not need any resource to support and all the functions can be accomplished by the browser.