【编辑观点】“横看成岭侧成峰,远近高低各不同。”丰富的内容、新颖的形式源自不同的角度:同一道题既可讲求算法的多样化又可设计多种不同的问题,同样的知识点可以有不同的训练方式,开放型的练习拥有不同的答案……练习设计唯有围绕“知识”这个“点”和教学目标这个“宗”,不断变换视角,才能实现学习质量的提升,达成知识掌握与思维训练的和谐统一。 [Editorial view] “Cross-look into the ridge into a peak, far and near different levels.” Rich content, new forms originated from different angles: the same topic can address the diversity of algorithms can also design a variety of different issues , The same point of knowledge can have different training methods, open practice has different answers ... Practice Design Only around the “knowledge” of the “point” and the teaching objectives of the “case”, constantly changing perspective, in order to achieve the quality of learning To achieve the harmony of knowledge and thinking training.