“良好的开端是成功的一半。”可以说,课堂教学中导入环节的设计关系到课堂教学成功与否。具体到每位教师身上则会因人因课而异,可以说百花齐放,异彩纷呈。好的导入可以有效调动学生的学习兴趣,集中学生注意力,为知识探究打下良好的基础,使学生带着跃跃欲试的强烈好奇心进入学习状态,使课堂效率得到大幅度提升。“工欲善其事,必先利其器”正说明了导入在教学中的突出作用,绝对不是可有可无,更不可随意处之。然而,在具体 “Good start is half the battle. ” It can be said that the design of the introduction of classroom teaching related to the success of classroom teaching or not. Specific to each teacher who will vary due to classes, it can be said that all flowers bloom, colorful. A good introduction can effectively arouse students ’interest in learning, concentrate students’ attention, lay a good foundation for knowledge exploration, enable students to enter the learning state with the intense curiosity of eagerness and greatly improve the efficiency of the classroom. “Workers want to do their thing, must first sharpen his instrument” is the introduction of the prominent role in teaching, is definitely not optional, but not at their disposal. However, specific