Because of the implementation of the new curriculum standard, the teaching materials used everywhere are actually the same. As you said, the compulsory three histories are teaching AIDS for detailed knowledge analysis and must be synchronized. In order to better synchronize the teaching materials, there are generally different versions, such as History Teaching, Yuelu, People Edition and so on.

People have a wide range of education. Let me show you the People's Education Edition first (click to enlarge).

At the beginning, it was a chapter called "Learning to be Excellent and Being an Official", which was the outline and knowledge structure diagram of the whole teaching material of Compulsory Three History. The next step is to talk about it lesson by lesson according to the curriculum of the corresponding textbook.

Then the knowledge points, test sites and error-prone points of this lesson are summarized and explained, and the left and right examples are used for typesetting, which is easy to understand.

Finally, there are some exercises after each lesson. There are two levels, namely the new college entrance examination and the college entrance examination. Then there is the review summary and corresponding exercises after completing a unit. Uploading screenshots is too much trouble. Baidu knows that it takes at least two times to upload pictures in the library, but it can't say the URL link. Otherwise you can read e-books. You can only search by yourself, or go to the bookstore to read books. The complete explanation of teaching materials is a well-known teaching aid, with a long publishing history of 15 years, focusing on explanation. You can look at the chapter settings inside and talk about comparison (this is seven to three, repeated explanation) and so on. The cover is like this: