1, comprehensive coverage of test sites: The compulsory test questions of Butterfly Change Senior High School Entrance Examination cover important test sites of all subjects in senior high school entrance examination, including Chinese, mathematics, English, physics, chemistry, biology and other subjects. According to the outline of senior high school entrance examination and the setting of subject knowledge points, help students review and consolidate their knowledge in an all-round way.

2. The quality of the questions is high: the questions that must be brushed in the butterfly change senior high school entrance examination are well designed and meet the requirements of the difficulty and format of the senior high school entrance examination. Topics cover various types of questions, including multiple-choice questions, fill-in-the-blank questions, and solution questions. , can help students to be familiar with and master different types of questions.