这是一节班会课。课上,同学们表演了名为《课堂上下》的小品。小品的大致情节是:上课铃响,老师走进教室,教室里仍是一片哄哄嚷嚷。老师通过“上课”“同学们好!”的问候后,课堂安静了片刻。老师开始讲课,这时有的同学开始讲话,有的拿出课外书看起来,有的拿出小镜子、小梳子梳妆起来,老师提高了讲课的声音,并走下讲台,若无其事地走到讲话的同学身边,轻轻拍了拍他的肩膀,那个同学将肩膀使劲一扭做反抗状,同时嘴里嘀嘀咕 This is a class session. During the class, the classmates performed a piece named “Classroom Up and Down”. Pieces of the general plot is: the bell rang, the teacher walked into the classroom, the classroom is still a hubbub. After the teacher passed the greetings of “class ” “classmates !”, The class was quiet for a moment. The teacher began to lecture, when some of the classmates began to speak, some took out the extra-curricular books, some took out a small mirror, combed up, the teacher raised the voice of the lecture, and walked down the podium, went speechless The students around, patted his shoulder gently, that classmates shrugged his shoulders to do resistance, while his mouth muttered