《基础教育课程改革纲要(试行)》提出:“要改变机械训练的现状,倡导学生主动参与、乐于探究的学风,培养学生获取新知识的能力、分析和解决问题的能力以及交流与合作的能力。”新课改要求我们转变陈旧的教育观念,作业设计也应有相应的新理念、新方法。学生在主体实践中消除困惑 The Outline of the Basic Education Curriculum Reform (Trial) puts forward: “We must change the status quo of mechanical training, advocate students’ active participation, willing to explore the style of study, cultivate students’ ability to acquire new knowledge, analyze and solve problems, and the ability to communicate and cooperate.” "The new curriculum reform requires us to change old educational concepts, and job design should also have corresponding new ideas and new methods. Students eliminate puzzles in subject practice