由中宣部、教育部、共青团中央、全国学联等联合开展的2017年全国大中专学生暑期“三下乡”社会实践出征仪式暨首都“青年服务国家”社会实践项目展示活动于7月5日上午在北京科技大学举行。活动以“喜迎十九大·青春建新功”为主题,将动员500多万团员青年参与。清华大 The 2017 national secondary and secondary technical college students jointly launched by the Central Propaganda Department, the Ministry of Education, the Central Committee of the Communist Youth League, the National Federation of Students, etc. The social practice demonstration ceremony and the capital city “Youth Service Country” Social Practice Project Exhibition Activities on the morning of July 5 at the Beijing University of Science and Technology. With the theme of “Celebrating the Nineteenth Congress and Building New Skills in Youth”, the campaign will mobilize more than 500,000 youth members of the League. Tsinghua University