1. Some professors prefer to answer students’questions in the end of the lecture, and others stop at different points toanswer students’ questions. Which style do you think is better forlearning?
2. In stead of printing books in paperversion, the university decides to release only online version of textbooks.Discuss at least an advantage and disadvantage of this change.
窥视卡
雷达卡
楼主
提升卡
置顶卡
沉默卡
喧嚣卡
变色卡
千斤顶
显身卡