一、课前预习和师生互动策略做作业的效果和效率怎么样,取决于课堂学习的效果,而课堂学习的效果怎样取决于课前预习。预习过的学生,其疑问更有针对性和适切性,其注意力更集中,能主动地获取疑问的答案,学习的质量也明显高于别人,现代教育学认为,学生是学习的主体,教师是组织者、引导者,因此课堂活动应树立民主平等的师生关系,要积极营造一种 First, the pre-class preview and teacher-student interaction strategy to do the homework how and effectiveness, depending on the effect of classroom learning, and the effect of classroom learning depends on the pre-class preview. The students who have studied have more pertinence and pertinence of their questions, their attentions are more concentrated, they can take the initiative to obtain the answers of questions and the quality of learning is obviously higher than others. Modern education believes that students are the main body of study, Teacher is the organizer, guide, classroom activities should establish a democratic and equal teacher-student relationship, we must actively create a