There are a lot of knowledge points in this subject, and it's almost the same if you can't reach the level of knowing astronomy and geography after learning subject two.

You can't memorize just because you have too many knowledge points. Combined with formula recitation, it is necessary to recite the original quiz course. The phrase "repeat twice and innovate to promote production" directly solves the reaction of dozens of pages of education to productivity, and the problem of recitation does not exist.