学习兴趣是促进学生学习的强大内部推动力,浓厚的学习兴趣能使学生感到学习有极大的吸引力,是提高学生成绩的前提,更是激发学生创造性思维、开发智力的良药。一堂唤起学生兴趣、开发学生智力的 Learning interest is to promote students learning a powerful internal driving force, a strong interest in learning can make students feel that learning has great appeal, is to improve students ’performance, but also to stimulate students’ creative thinking, the development of intellectual medicine. Arouse students’ interest in developing student intelligence