(上课) 生:起立! 师:请坐!(环顾学生,都做好了学习准备后,开始教学)前面两节课。我们学习了战国时期的历史。战国时期,是从哪年开始的? 生(齐答):公元前475年。师(点头):战国时期,我国社会性质起了什么变化? 生(齐答):封建社会开始啦![评述:从提问已学知识导入新课。学生回答准确无误,记住了关键性年代,明确历史断限和社会性质的变化,说明掌握了基础知识。] 师:对!战国时期,我国已由奴隶制社会进入封建制社会。这时期,许多小诸侯国被大诸侯国吞 (Class) Students: Stand! Teacher: Please sit! (Looking around the students, have done a good job in learning to prepare, start teaching) the first two classes. We studied the history of the Warring States period. During the Warring States period, which year began? Health (Qi answer): 475 BC. Teacher (nodding): During the Warring States Period, what changed in the nature of our country? Students (Qi A): Feudal society begins! [Comment: From questioning to learning new knowledge. The students answered correctly, remembering the crucial age, clarifying the historical break and the changes in the nature of society, illustrating the mastery of the basics. ] Teacher: Right! During the Warring States Period, our country had entered a feudal society from a slavery society. During this period, many small vassal states were swallowed by the Great Powers