Click the "cloud disk" mouse three times to find the resources you want, and the collection will become your own resources, from the original one-and-a-half-day lesson preparation to 10 minutes; Predicting the difficulties mentioned in the teaching reference book in advance through the "learning guidance" module is not the difficulties of the students' own class, but the difficulties not mentioned in the teaching reference book and the knowledge points that the children have not mastered. She adjusted her teaching in time and changed from "experience teaching" to "science teaching".