The Ministry of Public Security and relevant departments decided to use "12 1 10" as a unified public service SMS alarm number for public security organs in Shanghai, Tianjin and Zhejiang.

Analysis of test questions: ① It does not meet the meaning of the question, and the economic functions of the government are not involved in the materials. ② The material that conforms to the meaning of the question "The Ministry of Public Security and relevant departments decided to use" 12 1 10 "as the unified public service SMS alarm number of public security organs in China" can be reflected. ③ In line with the meaning of the question, the material "Shanghai, Tianjin, Zhejiang and other places have all been opened 1 10 SMS alarm number" can be reflected. ④ In line with the meaning of the question, the material "Shanghai, Tianjin, Zhejiang and other places have all opened 1 10 SMS alarm number" can be reflected. So keep 234 and choose D.

Comments: This kind of examination requires students to master the functions of the government and the basic principles of government work. The main functions of the government include: ① safeguarding people's democracy and maintaining the long-term stability of the country; ② Organizing socialist economic construction; ③ Organizing the construction of socialist culture; (4) Providing social services. The difficulty of this question is low, and the students' ability to master book knowledge is examined. The basic principles of government work, the principle of being responsible to the people, ① adhere to the working attitude of serving the people, ② establish a pragmatic working style, and ③ adhere to the working method of coming from the masses and going to the masses. The difficulty of this question is moderate, and the ability of students to analyze according to book knowledge and materials is examined. The difficulty of this question is moderate, and the ability of students to analyze according to book knowledge and materials is examined.