Missing questions refers to the situation that the answers to questions are leaked in various large-scale exams. 20 10 postgraduate entrance examination, Zhengzhou university exam questions were seriously leaked. 20 12 English postgraduate entrance examination has also been exposed as a "leakage incident", involving multiple test sites.

Yunnan is a provincial administrative region of People's Republic of China (PRC), and the Tropic of Cancer runs through the south. It is adjacent to Guangxi Zhuang Autonomous Region and Guizhou Province in the east, facing Sichuan Province across the river by Jinsha River in the north, close to Xizang Autonomous Region in the northwest corner, Myanmar in the west, Laos and Vietnam in the south and southeast respectively. The total area is 394 1 10,000 square kilometers. By 2020, there will be 129 counties (cities, districts) in the whole province, including 17 municipal districts, 18 county-level cities, 65 non-ethnic autonomous counties and 29 ethnic autonomous counties. Yunnan is located in the southwest border of China, bordering Guangxi and Guizhou provinces in the east, Sichuan Province in the north and Xizang Autonomous Region in the northwest. On February 25th, 2020, 65438 was awarded the "Advanced Province (City) Award for Free Blood Donation" by the National Health and Wellness Committee. Before the Qin Dynasty, there was an ancient kingdom of Dian. During the Tang and Song Dynasties, local governments such as Nanzhao State and Dali State were established. In A.D. 1276, the Yuan Dynasty established a provincial administrative division in Yunnan, and "Yunnan" officially became the name of the provincial administrative division in China. 1950 In June, the People's Government of Yunnan Province was established.