High school students are eligible to participate, so we should grasp the registration time! Besides, if you want to take part in the competition, you must want to win the prize, right? You must try your best to pass the initial exam (otherwise you are not qualified for the second interview). The second test depends on your personal nature. Recommend a material that I personally think is better: "Connecting the College Entrance Examination with the Olympic Games". The math problems are basically the same, and I felt it when I took the second interview. Of course, other subjects in this series (only science subjects here, liberal arts subjects have not been used) are also very good. Just come on. Your teacher should know more. Talk to the teacher more if it's convenient. ...