课堂上如果讲者有意，听者无心，就很难达到预想的目的。如何调解学生的注意力 ?我用了以下四“招”，收到了较好的效果。　　招 1：每节课的开始，不要机械地忙于按教案程序讲课。因为开始上课的一二分钟，由于翻书、取笔、课间嬉闹余兴等因素，学生的注意力往往不够集中。这 If the speaker is interested in the classroom, listeners inadvertently, it is difficult to achieve the desired goal. How to mediate the students' attention? I used the following four “trick”, received better results. Recruitment 1: The beginning of each lesson, do not be mechanically busy with teaching lesson plans lectures. Because of the one or two minutes of starting a class, students tend to be less focused because of the factors of turning a book, taking a pen, or having fun in class. This