若让我们的课堂真正成为高效课堂,离不开两个重要方面:教师的精讲和学生的精练。精讲:就是要删除课堂教学的无效环节和落实“三讲三不讲”原则,即:学生会的不讲,学生自己能学会的不讲,讲了学生也不会的不讲;学生易混、易错、易漏的知识要讲,学生想不到、想不深、想不透的要讲,学生自己解决不了的要讲。精讲就是要减少教师的讲授时间,杜绝教学中的假问题,用真问题组织教学,切实引导学生进行深度思考,把单纯听讲的课堂变成思维的课堂,让每一个学生的思维 There are two important aspects that can not be separated from our classrooms if they really become effective classrooms: the teacher’s refinement and the student’s refinement. Focus on: that is, to delete the invalid link in classroom teaching and implementation of the principle of “three stresses and three non-stresses”, namely: the student union does not speak, the students can learn to speak without speaking, and the students can not speak without explanation; students Easy to mix, easy to go wrong, easy to leak knowledge to talk about, students can not think, think not deep, can not think about to speak, students can not solve their own talk. The essence is to reduce the teacher’s teaching time, put an end to the teaching of fake problems, organize the teaching with real problems, and effectively guide students to think in depth, the simple listening class into a thinking class, so that every student’s thinking