1, painting 6000 questions is transparent and easy to understand. The analysis of painting 6000 questions is simpler and more popular than chalk 5000 questions, and the thinking of solving problems is clearer.

2. Painting 6000 questions is novel. Every year, there will be a new version of the 6000 graffiti questions, and new and expanded questions will be collected every year, with a large number of questions.