Analysis of test questions: ① The development of modern industrial civilization; ② The spread of modern western ideas; ③ The development of modern culture and education, all of which are the reasons for the phenomena in the materials. It is wrong to say that feudalism in China ended. At this time, it was a semi-colonial and semi-feudal society and the feudal system was not over. Therefore, this question should choose item B.

Comments: The characteristics of the changes of social life customs in modern China. ① Influenced by the West, it has obvious semi-colonial and semi-feudal social color, and its most typical feature is the integration of Chinese and Western cultures and the coexistence of foreign cultures. (2) The development is uneven, and the modernization of social life is obvious in trading ports and big cities, but it has not changed much in remote rural areas. (3) In the process of change, the conflict between the old and new cultures and the eastern and western cultures coexists, and the characteristics of modernization become more and more obvious.