1 Underdeveloped areas teenagers, family economic situation is bad, main source of income is agricultural production, and the means of production and raw.In old way. Age requirement in 15-17. They need through the growth of economic knowledge to change the future, improve the house.The status, jiaoji And can bear hardships and stand hard work, has a strong thirst for knowledge and improve their life of desire. But also suffer from their power.Quantity, the poor vision is not quite open, knowledge limitations, information block and other reasons can't carry on the practice.
2 Urban middle school students, family economic condition good, since the childhood received a good education. They have a certain economic foundation of knowledge, active thinking, good at communication and exchange, extremely has the sense of social responsibility. Willing to social change and are willing to sacrifice, standing in the Angle, with his peers at skills to help rural teenagers.