20 17 Guangxi college entrance examination average score literature 157.5, science 109.2. Teachers and students should have a systematic, comprehensive and profound understanding of the ability requirements in the examination syllabus. In the process of preparing for the exam, teachers often have clear requirements for ability, while students' requirements for ability are a vague concept. As a result, students always take the exam passively, instead of training themselves according to the ability requirements in the exam syllabus in the usual preparation process.