The first question:) The Provisional Constitution of the Republic of China has the nature of the bourgeoisie and the constitution of China, and the China People's Political Consultative Conference has played the role of a provisional constitution; 1954 the constitution of People's Republic of China (PRC) is the first socialist constitution in new China.

The second question: Three changes in the social nature of modern China.

1840 The Opium War broke out and China entered a semi-colonial and semi-feudal society. 1949 new China was founded, and China's semi-colonial and semi-feudal society ended and entered a new democratic society. 1956 Three major transformations were completed, and the socialist system was established in China. China has entered the primary stage of socialism.