课堂上,老师和学生始终面对面地共同构成教学活动的能动因素.居于主导地位的老师,自然会充分利用“评价”的手段对课堂活动进行掌握与调控.我们会看到:老师或表扬或批评、或肯定或否定、或诱导或劝止,学生的情绪、课堂的气氛、教学的速度与强度也就随之而或高昂或沉寂、或热烈或平淡、或飞流直下或缓缓而行,展现着波澜起伏、色彩纷呈动人的画卷.关于评价,各种流派的教育学专著都告诫我们, In the classroom, the teacher and the student always face to face together to form the dynamic factor of the teaching activity, the dominant teacher will naturally make full use of the means of “evaluation” to master and control the classroom activities.We will see: teacher or praise Or criticism, or affirmation or rejection, or induction or discouragement, the student’s mood, the atmosphere of the class, the speed and intensity of teaching are accompanied by exuberance or highness, or warmth or plainness, or flies or slows down , Showing the ups and downs, colorful pictures.About the evaluation, various schools of education monographs have warned us,