苏霍姆林斯基说过:“教育的技巧并不在于能预见课的所有细节,而在于根据当时的具体情况,巧妙地在学生不知不觉中作出相应的变动。”课堂是活的,充满未知的变数,具有动态生成的特性。“生成”是新课程倡导的新型教学理念,是指教师在课堂教学中离开或跨越原有的预设,以学生有价值、有创见的问题与想法等为契机,及时调整或改变预设计划,让学生在课堂上获得非预期的发展。课堂上可以开发利用的课堂教学资源会突如其来,也会稍纵即 Suhomlinski said: “The trick of education is not to foresee all the details of the lesson, but rather to make the appropriate changes to the pupils unknowingly, depending on the circumstances of the day.” “The classroom is alive Full of unknown variables, with dynamically generated features. ”Generate " is a new teaching idea advocated by the new curriculum. It refers to the teachers who leave or cross the original precepts in the classroom teaching and take the chance of students’ valuable and creative problems and ideas as an opportunity to timely adjust or change the pre- Design plans to give students unexpected development in the classroom. Classroom teaching resources that can be developed and utilized in the classroom will come suddenly and will be available soon