1. Familiarity with questions can improve the efficiency of answering questions: music theory grading questions often have certain patterns and rules. By being familiar with the types of questions, you can quickly understand the purpose and requirements of solving problems, master the methods and skills of solving problems, save the time of answering questions, improve the efficiency of solving problems, and increase the chances of completing more problems in a limited time, thus improving the overall performance.

2. Only by being familiar with the question type can you accurately understand the question type: the music theory grading question involves all aspects of music knowledge such as sound name, interval and acoustics. By being familiar with the question, you can understand the musical concepts and points mentioned in the question more accurately, avoid the deviation or confusion in the understanding of the question, make your answers more accurate, avoid the mistakes in understanding, and thus improve your score.