Examinees arrive to take the national college entrance exam at the High School Attached to Northeast Normal University in Changchun, capital of northeast China's Jilin Province, June 7, 2013. Some 9.12 million applicants are expected to sit this year's college entrance exam on June 7 and 8. (Xinhua/Zhang Nan)

Examinees of national college entrance exam review books as waiting for entering exam rooms at the Dongzhimen Middle School in Beijing, capital of China, June 7, 2013. Some 9.12 million applicants are expected to sit this year's college entrance exam on June 7 and 8. (Xinhua/Gong Lei)

Examinees arrive to take the national college entrance exam at the Dongzhimen Middle School in Beijing, capital of China, June 7, 2013. Some 9.12 million applicants are expected to sit this year's college entrance exam on June 7 and 8. (Xinhua/Gong Lei)

A traffic police helps take traffic control measures to serve the national college entrance exam at the Affiliated High School of Peking University in Beijing, capital of China, June 7, 2013. Some 9.12 million applicants are expected to sit this year's college entrance exam on June 7 and 8. (Xinhua/Li Xin)

An examinee who has difficulties in walking is helped by a traffic police and a teacher as arriving to take the national college entrance exam at the Dongzhimen Middle School in Beijing, capital of China, June 7, 2013. Some 9.12 million applicants are expected to sit this year's college entrance exam on June 7 and 8. (Xinhua/Gong Lei)

A mother watches her child entering the exam room to take the national college entrance exam at the No. 11 High School in Changchun, capital of northeast China's Jilin Province, June 7, 2013. Some 9.12 million applicants are expected to sit this year's college entrance exam on June 7 and 8. (Xinhua/Xu Chang)