瑞士著名教育家皮亚杰说过:所有智力方面的活动都要依赖于兴趣。因此,教师在课堂教学中应灵活运用多种教学策略,激发起学生的兴趣,学习就会积极主动,学得轻松而有成效。但是学习兴趣不是天生的,主要在于教师如何引导学生,充分调动学生对学习的积极性和主动性,进而能创造性地学,最终达到优化课堂教学和提高教学 Piaget, a famous Swiss educator, said: All intellectual activities must rely on the interest. Therefore, teachers should be flexible in the classroom teaching the use of a variety of teaching strategies to stimulate student interest, learning will be proactive, easy and effective learning. However, the interest in learning is not natural. It mainly lies in how teachers guide students, fully mobilize the students’ enthusiasm and initiative in learning, and then can creatively learn and finally achieve the goal of optimizing classroom teaching and teaching