在新课程实施的背景下,生成性课堂呼声日益高涨,教师们都把追求“动态生成”当成了课堂的终极目标却忽视了“预设”这个概念。有的教师甚至把预设与生成对立起来。殊不知,这些生成的“美丽的风景”还必须借助于“预设”。余文森教授说过,“预设与生成既有对立性,也有统一性,课堂教学既需要预设,也 In the context of the implementation of the new curriculum, the voices of students in the productive class have been rising day by day. Teachers regarded the pursuit of ”dynamic generation“ as the ultimate goal of the classroom and neglected the concept of ”presupposition.“ Some teachers even confront the default with the formation. As everyone knows, these generated ”beautiful scenery “ must also help ”default “. Yu Weisen professor said, ”Preset and generate both the opposite sex, but also the unity of classroom teaching both need to be pre-set also