I think the way to improve is to consolidate the basic knowledge points. There is no other way. Doing more questions is the best way to consolidate. Improving comprehensive ability is generally the last two major issues. No matter how difficult the previous questions are, I think there is no problem for top students. You need to look at more questions and understand the way to solve them. Only by understanding the thinking of solving problems can we meet the problem from one angle. Did you pass 137 in the college entrance examination because of carelessness? It seems that I haven't changed enough. The penultimate big question, the first one, requires one step less, and the score of 13 is deducted completely, but I feel quite gratified. Everything else is correct under pressure.