课堂教学是一个系统的动态过程,课堂教学必须依照一定顺序发展进行,向预设目标前进。要达到预设的目标必须利用不断得到的反馈信息进行有效地控制,使这个动态过程有效地向预定目标发展。那么,课堂问题就是重要的反馈方式之 Classroom teaching is a systematic and dynamic process. Classroom teaching must be developed in accordance with a certain order and advance to the preset goal. To achieve the preset goal, we must make use of the feedback information we get continuously to control effectively so that this dynamic process can be effectively developed to the intended goal. Well, classroom problems are important feedback methods