在教学中我们经常遇到一些教材内容少而简单的“单薄”内容,“单薄”内容的教学常常感觉淡而无味,要上好不容易.许多教师在教学“单薄”内容时缺少对教材和教学内容的深入研究和思考,常存在以下两种错误倾向:一是快速教学相关概念、原理等新知内容后就进行大量机械重复训练或题型归类训练,甚至不惜加大训练难度;二是将下一课时的全部或部分 In teaching, we often encounter some teaching material content is simple and simple “thin ” content teaching often feel light and tasteless, it is not easy.Many teachers in teaching “thin ” content is missing The textbook and teaching content in-depth research and thinking, there are often the following two kinds of wrong tendencies: First, rapid teaching related concepts, principles and other content of new knowledge after a large number of mechanical repetition training or type classification training, even at increased training difficulty ; The second is all or part of the next lesson