A second points is that by offering the many subjects, students can explore their potential ability in other fields rather than their intend jobs. Many students have some abilities, but they don't have the change to discover and develop them. For instance, when my younger brother studied at secondary school, he just focuses on some nature subjects to become engineering. But when he entered the high school and attended a class about badminton, he brought into play ability in this sport and achieved some medal competitions.