一、创设积极的问题情境,激发学生学习兴趣亚里士多德讲过:“思维是从疑问和惊奇开始”。在课堂教学中,能够快速激发起学生的学习兴趣是引起学生积极思维、创新思维和提高教学效率的关键。为此,教师要精心创设能够引起学生有意注意的问题情境,给 First, the creation of a positive problem situation, to stimulate students interest in learning Aristotle said: “Thinking is from doubt and surprise start ”. In classroom teaching, being able to quickly stimulate students ’interest in learning is the key to arousing students’ positive thinking, innovative thinking and improving teaching efficiency. To this end, teachers should carefully create a problem situation that can arouse students’ intention to pay attention to