【正确答案】正确答案： Volunteering to teach in the west is of great significance to promote local education and economic development. The college students who volunteer to teach in the west impart academic knowledge to children in rural areas. More importantly, through a number of activities to combine teaching and entertainment, college students provide inspiration and guidance about the future study and life for children. They also want to motivate the children in rural areas to study, evoke their desire to go to developed cities outside, and help them make progress. In addition, the college students will bring new ideas and thoughts to the countryside. Volunteering to teach in the west can also help college students develop a sense of social responsibility and contribute to public benefit. To a certain extent, it also eases the shortage of teachers in western regions.