Three brothers were admitted to the National University of Science and Technology and Peking University. After learning about their parents' situation, they realized that the results were already determined.
Only after getting the results in the high school entrance examination did I realize that there is not a slight difference between the phoenix tail in the key class and the chicken head in the ordinary class.
The first volume of biology for eighth grade, with a summary of the core knowledge points of each unit. Memorize it in advance during the summer vacation, making it easier to start school.