Read the schematic diagram of the distribution of functional areas in big cities and answer every question: 1: From the perspective of the structure of urban functional areas, it should belong to A. Concentric circles B. Sector.

Question 1:B

Question 2: A.

Question 3: A.

Question 1: This question examines the urban spatial structure. According to the chart, the functional area of the city is fan-shaped, so it is a fan-shaped model. So this question chooses option B.

Question 2: All activities in the city need to occupy a certain amount of land. Because the urban land area is relatively limited, the traffic accessibility and land price of different plots are also different. Therefore, there must be competition between activities, which leads to the high concentration of similar activities in space and the formation of urban functional areas. So choose option a in this question.

Question 3: If a high-rise building integrating retail, entertainment, catering and office is built in this city, it should be located in Area A of the city center. So choose option a in this question.