学生是学习的主人,课堂上只有让学生充分、有效的活动,学生才能实现真正意义上的学习。教师通过精炼问题、层层深入、相机引导等活动的设计,让学生学的有效、学的丰富、学的有序,从而提高学习实效。 Students are the masters of learning. Only students who have enough and effective activities in class can realize their true learning. Teachers through the refining problems, layers of depth, camera guide and other activities designed to enable students to learn effective, rich in learning, learning in order to improve learning effectiveness.