学习心理学表明,“学”这一活动最好的方法就是“做”。“智慧自动作发端,活动是连接主题的桥梁。”这是皮亚杰的名言。学生的智力发展、应用能力的提高往往借助于动手实践。实践证明加强动手操作能力的培养,能让思维的空间更广阔,才是提高课堂教学效率的有效措施。但在现实的教学活动中,教师往往为了“节约”课堂上的时间,自己不厌其烦地一遍又一遍地讲解,而学生也越来越缺乏动手的 Learning psychology shows that the best way to learn this activity is to “do it.” “Wisdom automatically made the starting point, the activity is the bridge connecting the theme.” "This is Piaget’s famous quote. Students’ intellectual development, improve the ability to use often rely on hands-on practice. Practice has proved that strengthening hands-on training, allowing a broader space of thinking, is to improve the efficiency of classroom teaching effective measures. However, in the actual teaching activities, teachers tend to explain it over and over again in order to save time in class, and students are more and more lack of hands-on