Mathematics and physics in junior high school are not difficult. You should do more questions and think more. This kind of thing is easy to understand the knowledge points in the book Especially in physics, remember formulas, think more about how these formulas come from, deduce more, and don't memorize them. It's no use memorizing, you can't do the problem. Then there is physics, which is closer to life and combines with the phenomena in life to form various images in your mind. Chemistry is much simpler. Read more books, remember some chemical reaction equations, and understand the reasons and conditions of the reaction. . . . Come on! ! To have confidence in yourself, the college entrance examination is actually quite easy, and it should be easier now. . . Come on! Good luck! !