.网络教学的不足表现在:由于学生的年龄特征、知识基础及认知能力等等限制,学习上缺乏自觉性与自制力,加上不懂得应该学习些什么和怎样去学习,所以在广袤无垠网络里如果没有教师的启迪与引导,很难自主地去进行学习。虽然使用计算机可以模拟一些实验过程,但它不可能让学生真正形成实践能力。Network teaching: due to inadequate performance in students age characteristics, knowledge and cognitive ability, learning the lack of self-consciousness and self-control, and do not know what to learn and how to learn, so in the vast network without teachers inspiration and guide, it is difficult to independently to learning. Although the use of the co