Bookstore. The full name of teaching resources is teacher qualification certificate, which is the license of teachers in the education industry and the minimum threshold certificate for entering the teaching industry. It needs to pass a formal exam to get it. The exam includes a written test and an interview. In 2022, the written test materials of junior high school mathematics teaching resources are available in bookstores, and all major bookstores have written test questions for junior high school mathematics teachers in 2022.