1, from the training purpose, training content and training form. If your purpose is to improve your grades and serve the exam, then you are a subject anyway. If your purpose is to stimulate interest and form habits, then first of all, from this perspective, you are not a subject attribute.

2. From the content point of view, if your content is the content of the exam or the content of the brush question, you should remember all kinds of knowledge points, then you also belong to the discipline. If your content is to stimulate interest and expand your children in all directions of astronomy and geography, then as a form, it does not belong to the academic perspective.

3, you gather everyone together, and then, in order to train them to brush the questions in this way and let them practice in various ways, then you belong to the discipline. If you want to get everyone together, you have a good impression on books. In order to make him love reading and become a lifelong reader, then you are not the subject.

4, so from this perspective, whether extracurricular reading is a subject is two lines. His core point is that he doesn't take the exam in the way of subject study, but the purpose is to improve the ranking of this child's study. If not, it is not a subject.