Professor Chang is a Co-Director of the Tumor Virology Laboratory at the University of Pittsburgh Cancer Institute

In the urban area of Hefei, there is a hill called Dashu HillWhat's the biggest challenge China faces, 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 to 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 saidIn recent years, I have received numerous awards from the Chinese government

I believe that in the coming five years, the gap between coastal and inland regions will be narrowed

"My husband and I came to China - to Hefei - to fulfill my elder son's dreamBeijing expressed its opposition to Pyongyang's use of ballistic missile technology in violation of UN Security Council resolutions on Friday, calling for restraint from all relevant parties

China also does not hold the key to the Korean Peninsula issueShe noted that the essence of the nuclear issue on the Korean Peninsula is a security issue, and the core is conflict between Pyongyang and Washington

According to Hua, China has strictly and comprehensively implemented UN Security Council resolutions, and has made "enormous sacrifices at a great price"The ROK's military said it conducted a live-fire drill by mobilizing Hyunmoo-2A ballistic missiles about six minutes after the DPRK's missile launch

(责任编辑：Science Conference News)