１．言之有序 ,条理清晰“序”是指教学语言的逻辑性。在教学中 ,教师应该对每课教材做深入钻研和细致分析 ,弄清要讲的概念和原理的来龙去脉 ,掌握其确切的含义 ,精心组织教学语言。确定怎样开头 ,怎样过渡 ,哪些应该先讲 ,哪些应该后讲 ,哪些应该贯穿课程始终 ,怎样结尾 ,应 1. In an orderly manner, the clarity of the “preface” refers to the logic of the language of instruction. In teaching, teachers should do in-depth study and detailed analysis of each course material, understand the context and concept of the concepts to be discussed, grasp its precise meaning, and carefully organize the language of instruction. Determine how to begin, how to transition, which should be discussed first, which should be discussed later, which should be consistent throughout the course, and how to end it should be