英语短文 作为一名中学生你认为课堂上哪些行为是礼貌的?哪些是不礼貌的?请根据个人体会写篇短文80词左右

The classmates, whether you thought our civilization or not or not, not only represent our personal image, but also represent the image of the school.Therefore, from now on, we should abandon our vari...