Web-based courseware is the key of network teaching. 摘要网络课件是网络教学的关键。
The practice of interactive teaching requires the teacher to accumulate large amounts of data and produce lively class pieces to rouse students' interest. 实施互动式教学要求老师必须在平时积累大量的案例资料或者制作生动的课件以提高学生学习兴趣。