2005年秋日的一个上午,笔者在一所省示范性重点中学听了某青年教师的公开课——《甲午中日战争》。由于教研员已提前一周通知,所以该教师作了充分的准备。上课时,教师按照教材的体例,依顺序介绍甲午中日战争爆发的原因、经过。由于准备的史料过于丰富,到下课铃响时,“黄海海战”的内 One morning in the autumn of 2005, the author listened to the open class of a young teacher in a demonstration key high school in the province—the Sino-Japanese War of Sino-Japanese War. As teachers and instructors had informed one week in advance, the teacher made full preparations. In class, the teacher introduced the causes and passages of the Sino-Japanese War in the Sino-Japanese War in order according to the style of the teaching materials. Because the preparation of historical materials is too rich, to the end of the school bell, “the Yellow Sea naval warfare”