Grading according to scores. Official website, the Education Bureau of Dezhou City, Shandong Province, shows that Dezhou Geo-biology Examination is known to be divided into four grades of ABCD. According to the score, Grade D needs to be retaken. 100: A score of 85 or above, 70~85 excluding 85, B score with 70, C score with 60, C score without 70, and D score below 60. The senior high school entrance examination is the ordinary high school academic level examination. It is an examination organized and implemented by the provincial education administrative department according to the national curriculum standards for ordinary senior high schools and educational examination regulations. It is an important system to ensure the quality of education and teaching by mainly measuring the degree to which students meet the learning requirements stipulated by the state. Examination results are an important basis for students to graduate and further their studies. The implementation of the academic proficiency test is conducive to promoting students to study each course carefully and avoiding serious partiality; It is beneficial for schools to accurately grasp students' learning situation and improve teaching management; It is conducive to the scientific selection of students suitable for school characteristics and professional requirements in colleges and universities, and promotes the effective connection between high school and college personnel training.