现代信息技术改变了师生在传统课堂教学中的作用和地位,教学中学生把教师看成学习过程的参与者,而不仅仅是指导者。在这种环境中,学生要通过自己观察、实验、概括等手段,提出假设、检验假设、获取知识,他们与同学、老师共同探讨,交互学习。 Modern information technology has changed the role and status of teachers and students in traditional classroom teaching. Middle school students regard teachers as participants in the learning process, not just mentors. In this kind of environment, students should make assumptions, test assumptions and acquire knowledge through their own observation, experiment, and generalization. They discuss and interact with classmates and teachers.