In the urban area of Hefei, there is a hill called Dashu HillWhat's the biggest challenge China facem6平台s, and how do you think the country should go about overcoming it? The biggest challenge could come from the changes"Nowadays all the primary schools in my country have made Chinese-language courses available to students," said Cho, who was believed by some local media to have given the strongest push to the achievementEditor's Note: The Communist Party of China will hold its 19th National Congress on Oct 18And she was the first South Korean citizen tm6平台o gain permanent residency in China in 2006"Now I often accompany Hefei officials to South Korea for business recruitment and students for educational exchanges," Cho said