Under normal circumstances, for a course, correspondence is usually two days, and there is also a half-day exam. The content of a book, so much content, the effect can be imagined ... if you meet an experienced teacher, it's ok. If the teacher follows the book, you can hardly learn anything. ...
If you want to learn more in preschool education, you should practice more, and read more books by yourself, and try to link book knowledge with practice content. If you have any questions, consult the kindergarten teachers and seniors, which will be very good for your growth.
In addition, kindergartens subscribe to many preschool magazines, so you can read more books and pay more attention to online information.
Where there is a will, there is a way. What you need to do is to accumulate patiently, hoping to help you ...