环境熏陶人的身心,它并非是决定性因素,却是影响人成长的极为重要的部分。一个良好的班集体,意味着有纯朴明朗的班风、强劲积极的凝聚力、锐意向上的势气。然而偌大一个集体,怎可无风无浪,一些不良现象时不时会来侵袭,让老师与同学受其威胁。要净化班风,形成或保持其积极性,就需有效地对不良现象进行防治。作业拖拉甚或不做现象接连不断出现,而且不及你采取对策,已如雨后春笋般遍地开花;打架骂人现象层出不穷, It is not the decisive factor that affects the physical and mental environment, but it is an extremely important part affecting the growth of people. A good class collective, means a simple and clear class, a strong positive cohesion, determined to move up the potential. However, a large group, how can the wind and waves, some adverse phenomena from time to time will come to attack, so that teachers and students threatened. To purify the class, to form or maintain its enthusiasm, we must effectively prevent and control the adverse phenomena. Do not drag the homework do not even appear in succession one after another, but not as good as you take countermeasures, has mushroomed everywhere; fight curse phenomenon after another,