美国心理学家皮亚杰认为:“所有智力方面的工作都依赖于乐趣,学习的最好刺激乃是对所学材料的兴趣”。兴趣是最好的老师。那么如何培养学生的学习兴趣呢?笔者在教学实践中体会到可以分三个阶段进行。第一阶段,通过精心设计导言来激发学习兴趣;第二阶段是在日常课堂教学中采 Piaget, an American psychologist, said: “All intellectual work depends on the pleasure. The best stimulus for learning is the interest in the materials studied.” interest is the best teacher. So how to cultivate students' interest in learning? I experience in teaching can be divided into three stages. The first phase, through careful design of the introduction to stimulate interest in learning; the second phase is in the daily classroom teaching mining