建构主义是20世纪90年代兴起于美国关于认识和学习的理论。建构主义教学理论下的图案教学具有课程背景网络化,学习环境情景化,师生关系、生生关系互动化等特点。网络环境有益于学生自主学习与研究型学习环境的形成。在现代教学环境中学生可以进行自由探索和自主学习:“在此环境中学生可以利 Constructivism is a theory that began to emerge from the United States about cognition and learning in the 1990s. Constructivism Teaching Theory under the pattern of teaching network background with the curriculum, the learning environment situational relationship between teachers and students, interactive relationship between life and other characteristics. The network environment is conducive to the formation of students’ autonomous learning and research-based learning environment. In the modern teaching environment, students can freely explore and learn independently: ”In this environment, students can benefit