一、优化课堂结构,引导学生自主学习课堂教学是师生进行多种信息交流的主渠道。教师设计教学时,在教学时间和内容分配上可构建以“呈现目标任务——引导学生自学——教师讲解点拨——操作运用评价”为主的基本教学模式。1.呈现目标任务“呈现目标任务”就是教师在理解大纲与教材的基础上,向学生呈现这一节课的目标任务,让学生明确该节课应完成哪些任务、达到什么样的目标。该环 First, to optimize the classroom structure, and guide students to self-learning classroom teaching is the main channel for teachers and students to carry out a variety of information exchange. When designing teaching, teachers can construct the basic teaching mode based on “presenting the target task - guiding the students to learn by themselves - the teachers explain the point - the evaluation of the operation ” during teaching time and content distribution. 1. Rendering the target task “Rendering the target task ” is the teacher on the basis of understanding the outline and teaching materials, to show students the objectives and tasks of this lesson, so that students can be clear that the lesson should be completed by what tasks to achieve what the goal . The ring