1. 10 What landmark achievements and breakthroughs have China made in economic and social development in the past few years? What should young people do?

I. A New Era of Innovation and Development This year 10 is the year with the greatest scientific and technological progress and the fastest improvement of scientific and technological strength in China. China's scientific and technological undertakings have undergone historic, holistic and structural changes, successfully entered the ranks of innovative countries and fully integrated into the global innovation network, showing the overall layout and development trend with the characteristics of the new era. In terms of R&D expenditure, the social R&D expenditure of 202 1 is 2.7 times that of 20 12, the basic research expenditure of 202 1 2 is 3.4 times that of 20 12, and the R&D intensity reaches 2.44. At the level of scientific research, China's scientific research level and the overall strength of disciplines have been greatly improved, and many disciplines have reached the international leading level. The research and development capabilities of scientific research institutions, universities and leading enterprises in science and technology have significantly improved in the global position. In terms of high-tech enterprises, the number of enterprises has grown from less than 50,000 before 10 to 330,000 now. In terms of international science and technology innovation centers, three international science and technology innovation centers, namely, Beijing, Shanghai and Guangdong-Hong Kong-Macao Greater Bay Area, rank among the top ten in the global science and technology innovation cluster. In the field of basic research and strategic high technology, a number of world-class scientific and technological achievements have been produced, such as Tian Wen's exploration of Mars, Chang 'e's landing on the moon, and the successful docking of Shenzhou III with Tianhe core module. In the deep sea, the Deep Sea Warrior, Struggler and Haidu No.1 were successfully developed. In the field of quantum science and technology, China has become the only country in the world that has reached the milestone of "the superiority of quantum computing" on two physical systems.