通过导学案，学生在课前做到白主预习和学习，学生在课中按照导学案上的要求

Through the lesson plan, students do the white master preview and study before the class. The students actively cooperate and explore in accordance with the requirements of the lesson plan and the guidance of the teacher in the class, and internalize and construct knowledge in a deep level. Lay a solid foundation for later study

Through the introduction plan, students do white master preview and study before class, students in class in accordance with the requirements of the guide plan and teacher's guidance to carry out active cooperation and inquiry, deep-seated knowledge internalization and construction, for the subsequent learning to lay a solid foundation

Through the guidance plan, the students do preview and study before class. In the class, the students actively cooperate and explore according to the requirements of the guidance plan and the guidance of the teacher, internalize and construct the knowledge in depth, so as to lay a solid foundation for the later study<br>