The content in classroom practice is very comprehensive and suitable for primary school students. The paper is thick and the size is standard.

The content design of classroom exercises conforms to the learning plan under the core literacy.

It's. It is characterized by strong pertinence and is especially suitable for students in the period of curriculum reform.

Because it is synchronized with the teaching content of books, students can review after class or preview before class to summarize the problems in a chapter more systematically, and ask their classmates or teachers for advice on the problems, so as to better complete the learning task.