《三国和两晋》是初中《中国历史》第一册第三编《封建社会》中的一章。这部分教材篇幅不长,但容量大,头绪多,阶级关系和民族关系错综复杂,各种矛盾相互交织。因此,教师备课时,必须从大量纷繁的历史事实中,抓住主要矛盾,理清线索,掌握重点,讲课时才能使学生获得必要的准确的历史基础知识,并帮助学生逐步掌握历史唯物主义的基本观点。第一节《三国鼎立》重点有二:一、曹操实行屯田制和统一北方;二、赤壁之战和 The “Three Kingdoms and Two Jins” is a chapter in the third chapter of “Chinese History” in the junior high school “Feudal Society.” This part of the teaching material is not long, but it has a large capacity, many clues, class relations and ethnic relations are complex, and various contradictions are intertwined. Therefore, when teachers prepare lessons, they must grasp major contradictions, clarify clues, and grasp key points from a large number of historical facts, so that students can acquire the necessary accurate historical basic knowledge and help students gradually grasp the historical materialism. Basic point of view. The first section of the “Three Kingdoms Divergence” focuses on two aspects: First, Cao Cao implements the system of farming and reunification of the north; Second, the Battle of Chibi and