新课标是教学新观念向传统教学的挑战。为了培养适应新世纪要求的具有创新精神和实践能力的一代新人 ,要求教师必须在新课程的教学设计中充分发挥学生的主体作用 ,创设合适的教学情境和条件 ,激发学生的学习热情 ,引导他们主动参与、乐于探究、勤于动手 ,在自主、合作、互动的 The new curriculum standard is the challenge of teaching new concepts to traditional teaching. In order to cultivate a new generation of people with innovative spirit and practical ability that meet the requirements of the new century, teachers are required to give full play to the main role of students in the design of new curriculum, create suitable teaching situations and conditions, inspire students’ enthusiasm for learning, and guide them Actively participate in, willing to explore, diligent in action, independent, cooperative and interactive