一、有效性教学导入提出的背景及作用兴趣是学习的动力,是推动学生主动去探求知识并带有情绪体验色彩的意向,激发学生兴趣是提高教学质量的有效保障。著名特级教师于漪曾说过:“课的第一锤要敲在学生的心灵上,激发起他们思维的火花,或像磁石一样把学生牢牢地吸引住。”人们都说:良好的开始是成功的一半。身为教师,我们走进教 First, the validity of the introduction of the teaching background and the role of interest is the driving force of learning, is to promote students to explore the initiative with the intention of emotional experience with color, to stimulate student interest is to improve the quality of teaching effective protection. Yu Yi, a famous teacher said: “The first hammer in the class knocks on the students’ minds, stimulating the sparks of their thinking, or attracting the students like a magnet.” "People say: Good The beginning is half successful. As a teacher, we go into teaching