六级作文正文 第一篇：六级作文话题：Open Courses1. 现在网络公开课很盛行;2. 网络公开课有不少好处，也存在一些问题;3. 我对此的建议。范文：Online open courses are gaining popularity in recent years. Follwoing globally famous universities like Yale and Harvard, some universities in China have also started to offer online open courses. Those courses have attracted people from all classes with different occupations.The courses have brought many benefits to people. Many of the courses are provided by universities in foreign countries, and thus
