今 天我们一起来学习第六单元---复习单元。
复习这个单元的所有课文,然后看看你们是否理解每篇课文的大意。
Review all the lessons in this unit and see if you can understand the main idea of each lesson.
该网站比较受欢迎的特色有视频聊天,由说本族语的人改错的写作练习,复习小测验,和学习单元。
Popular site features include an integrated video-chat-application, writing exercises that can be corrected by native speakers, review quizzes, and learning units.
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