媒体教学常见“病”分析九年来，我观察了许多节运用各种媒体进行教学的情况，发现在借助媒体进行教学时存在不少问题，这些问题我把它统称为“病”。现把这些“病例”整理出来进行分析，并提出纠正方法，供广大同行参考。表１演示实物、模型等教学序号“病例”分析纠正方... Analysis of common “diseases” in media teaching For nine years, I have observed many sections of the situation using various media for teaching. I have found that there are many problems in using media to teach. These problems are referred to as “diseases.” These “cases” are now sorted out for analysis, and corrective measures are proposed for reference by our peers. Table 1 demonstrates the physical number, model number, etc.