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有一次,我在课上给同学们介绍焰色反应的知识,为了提高学生的兴趣,我演示了“节日焰火”的小实验,没想到真如我预想的,课堂学习气氛一下子活跃起来,接着讲有关的内容效果不错。于是我不由得想,如果教师在课堂中能适时而恰当地补充与课堂课相关的内容,一定会
On one occasion, I introduced my classmates to the knowledge of flame reaction in class. In order to enhance students’ interest, I demonstrated a small experiment of “Festive Fireworks” and did not expect that as soon as I expected, the atmosphere of class learning was suddenly active , Then talk about the content of good results. So I can not help wondering if teachers can timely and appropriately replenish classroom-related content in the classroom,