养生学告诉人们一个道理:吃饭要七分饱,过饱容易消化不良。我们的课堂也是这样。一堂课的教学任务不能安排太多,学生上一堂任务太多的课也会得“消化不良”症,最终导致“厌食”。在倡导有效课堂甚至高效课堂的今天,不少教师曲解高效课堂的内涵,把大容量、高效率当成了课堂教学的目标。一堂课安排许多教学内容,设置许多教学环节,把课堂的每一分每一秒都安排得满满的,使整堂课的每一分每一秒都达到饱和状态,学生跟着教师设置的快节奏匆忙地往前奔。这种状况尤其在公开课、展示课、比赛课中几成常态,令人忧虑。同一个班内学生的学习能力、所处水平是不同的,要让所有学生都跟上快节奏的教学是不可能的。大容量、高效率的课堂如果成了常态,课堂 Health tells people a truth: eat seven full, too easy to full indigestion. The same is true in our classrooms. A class teaching tasks can not be arranged too much, too much task on the class students will get “indigestion ” disease, eventually leading to “anorexia ”. In advocating effective classroom and even effective classroom today, many teachers misinterpret the meaning of efficient classroom, the large capacity and high efficiency as the goal of classroom teaching. A lesson arranges a lot of teaching content, set up a lot of teaching links, every minute of the classroom is arranged full, so that every hour of the whole class reaches saturation, students follow the teacher set fast Rhythm rush forward. This situation is especially worrisome in open classes, display classes and competition classes. Students in the same class have different levels of learning ability and it is impossible for all students to keep pace with fast-paced teaching. High-capacity, high-efficiency classroom if it has become the norm