CPPCC proposal: The CPPCC members submit opinions and suggestions to the People's Congress or the People's Government on major national or local policies and social issues through the CPPCC organization in the name of individuals, joint names, or parties and groups. form. Based on this definition, Which of the following are proposed by the CPPCC:. ['A CPPCC member wrote to the urban construction department about the serious damage to the public pavement of a community and the lack of maintenance for a long time.', 'A professor in the field of transportation science questioned the scientificity of the installation of traffic lights in the city and proposed a corresponding rectification plan to the local CPPCC organization.', "At this year's Provincial People's Congress, some representatives put forward suggestions and opinions on further protecting the legitimate rights and interests of migrant workers in cities.", "A representative of a city's industrial and commercial federation put forward a proposal to establish a SME service center at the first session of the fifth session of the CPPCC."]