良好的开始是成功的一半。上课犹如写文章,也同样需要构建开头、中间、结尾三大部分。上课开始,同学们心中还残留着课间娱乐的兴奋,准备学习的心理还不是很充分。这时,教师导入得好,就能吸引住学生,唤起同学们求知的欲望,迅速进入学习的状态。反之,学生很难进入学习状态,影响一节课的学习效果。课堂教学的导入犹如一场音乐剧的序幕,有助于学生集中注意力,很快进入 A good start is half done. Class is like writing essay, also need to build the beginning, middle, end three parts. The beginning of class, the students still feel the excitement of class entertainment, ready to learn psychology is not very full. At this time, the teacher is well-imported, will be able to attract students, arouse the desire of students to learn, quickly into the state of learning. On the contrary, it is difficult for students to enter the learning state and affect the learning effect of a lesson. The introduction of classroom teaching is like a prelude to a musical that helps students to concentrate and quickly enter