美国心理学家布鲁纳指出:“学习的最好刺激乃是对所学材料的兴趣。要使学生上好课就得千方百计点燃学生心灵上的兴趣之火。”这里的兴趣主要是指学生对所学知识的内在兴趣,它是最大、最持久的兴趣,是直接推动学生学习的内在动力。在数 Bruna, an American psychologist, pointed out: “The best stimulus for learning is the interest in the materials studied, and every effort must be made to ignite students’ spiritual interest in good classes.” "The main interest here is It refers to students ’intrinsic interest in the knowledge they have learned. It is the largest and most lasting interest and is the intrinsic motivation to directly promote students’ learning. In number