学生升入初二年级,当他们翻阅一大摞新书时,唯独物理这本新书是陌生的。学生们渴望了解它。个别学生传闻物理“难学”,产生了一种潜在的畏难情绪,带来了不应有的心理压力。序言课,长期来往往被教师们所忽视,有的一带而过。事实上,序言课有它独特的教学任务——是物理启蒙教学的动员课,是诱导学生向纵深发展的起始课。所 As the students progressed into the first and second grades, when they read a large number of new books, this new book of physics alone is strange. Students are eager to learn about it. Some students rumors that physics is “difficult to learn,” creating a potentially fearful mood that brings undue psychological pressure. Preamble classes have often been ignored by teachers for a long time, and some have been passed by. In fact, the preface class has its unique teaching tasks—a mobilization class for physical enlightenment teaching, and an introductory course that induces students to develop in depth. By