only impart\rknowledge to us, but also help us to\rbecome good citizens. In addition, we\rshould treat our classmates kindly so\rthat we can live together and study\rtogether happily. We should also behave\rpolitely in everyday life. For example,\rwe should avoid such minor offenses ?\r as making loud noises, smoking,\rcasual littering ?L and spitting ?\r in public places.\rIf everyone develops good manners,\rpeople will be more friendly to each\rother and will live peacefully. With the\rgeneral moral climate of society\rimproved, civilization will progress.\rand people will live a better life.\rAccordingly, let? s strive to cultivate\rgood manners.