如果你走进北京８０中政治老师刘庆海的课堂，感受最深的大概就是课堂上总能营造出一种既紧张有序又趣味盎然的氛围。学生们听课聚精会神，分明是为老师严密的理性思维、渊博的知识所吸引；忽而他们又发出轻松愉快的笑声，那是为老师风趣幽默的语言而打动……学生也并不永远是 If you walk into the classroom of 80 Liu Zhonghai, a political teacher in Beijing, you may feel that the deepest lesson in class is that you can always create an atmosphere that is both orderly and interesting. The students are attentive and attentive to the class, clearly appealing to the teacher’s rigorous rational thinking and profound knowledge. When they make a relaxed and pleasant laughter, they are impressed by the teacher’s humorous language. Students are not always