Abstract. On the basis of analyzing the pros and cons of different urbanization level measurement methods, this paper puts forward urbanization level measurement method based on entity space and then uses entity space data to describe the urbanization rate of various districts and counties of JingJinJi Region in 2005 and 2009. According to the analysis of time and space differences on such basis, JingJinJi may be divided from high to low order according to the urbanization rate of the entity space: central urban area, urban development area and suburb, which respectively bear different functions. According to the comparison of entity space urbanization rate and population urbanization rate in the aspects of sequence, primacy ratio, zipf index, etc., we find the non-intensive land use status quo of urban development area of JingJinJi and the feature that the distribution of entity space urbanization scale is much uniform than distribution of population urbanization scale. Accordingly, the paper puts forward the following suggestions : (1) The space construction should depend upon function division; (2) The urban development area should pay attention to the construction of the supporting facilities and meanwhile enhance land use rate; (3) The urban construction should be enhanced in small and middle regions and counties surrounding Beijing and Tianjin.
In early 2020, the sudden outbreak of COVID-19 completely changed the teaching form of higher education in China. Under such circumstances, online teaching and examinations have become new teaching methods. By studying the existing literature on online tests and analyzing the characteristics of the online assessment, this paper introduced the large-scale online final examination of the Central University of Finance and Economics from the aspects of regulations, organization, and quality control. Finally, relevant suggestions for improving the quality of online examinations were put forward.
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