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1问题的提出近年来,山东省教育厅提出了《全面落实课程标准,规范办学行为的意见》,要求各学校开全、开足课程方案中所设的各门课程,规范办学行为,严禁加班、补课等违规行为,切实开展、落实素质教育.这样,我们的课堂教学时间相对减少了,为了保证教学质量,我们必须提高课堂教学效率.因此,如何提高课堂效率是我们每位教师面临的一个重大课题.预习在学习知识的整个过程中有着不可低估的作用,是学习知识的一个重要环节.预习的效果如何,直接影响着课
1 Proposal In recent years, the Shandong Provincial Department of Education has put forward the opinion of “fully implementing the curriculum standards and regulating the behavior of running a school”, requiring all schools to open full and open all the courses offered in the curriculum plan, regulate their behavior and prohibit overtime work , Make up classes and other irregularities, and earnestly carry out and implement quality education.Thus, our classroom teaching time is relatively reduced, in order to ensure the quality of teaching, we must improve classroom teaching efficiency.Therefore, how to improve the efficiency of the classroom is that we each teacher is facing Major topics.Preliminary study in the whole process of learning knowledge has a role that can not be underestimated, is an important part of learning knowledge.Preliminary study of the effect of a direct impact on the class