These are all for junior high school. Top students are relatively simple, but their knowledge level gradient is reasonable and their questions are comprehensive, which is helpful to master and skillfully use basic knowledge. However, the example of "striving for Excellence first" is clear, and it tells the common methods of competition questions, which is equally difficult and demanding.

If you have good grades, you can be a top student and consolidate in an all-round way, which is also a good practice for solving problems; If you think it's not enough, let's have another competition series.