A long time ago, it was an alternative system, that is, the number of three-level retirees was determined according to the number of three-level retirees; Recently, it has been relaxed, but the pass rate is still hovering around 30%. There is nothing new about exam skills, just hard work+hard work. The teacher of the second-level training class said that in the third-level training class, you were not the last to leave the study room at eleven o'clock in the evening, and you were not the first to study in the study room at six o'clock in the morning. It can be seen that learning is difficult and hard.