Write an essay based on the chart below. In your writing.
you should
1) interpret the chart, and
2) give your comments
There is a bar chart illustrating remarkable changes have taken places with regard to the total and rural amount of China expressage from 2018 to 2020. The total number of China's expressage increased from 51 billion in 2018 then to about 83 billion in 2020, with its number of the rural area significantly jumping from about 12 billion to 30 billion in the same period.
Three reasons, in my belief, can account for this thend. Firstly, with the acceleration of the society and economy enormously boosting people's livelihood, the dramatic increase of expressage has inevitably turned out to be a prevailling trend. Moreover, the fast pace of modem life and fierce competition society result in people's gradually changed values, leading more and more people tend to put much emphasis on their convenience in order to save time and energy. Furthermore, relevant policies issued by the authorities and government advance the development of the China's expressage, especially in the rural areas.
From what has been analyzed above，we can confidently make a conclusion that this is the natural result of social and economic development, which complies with the interest of both the country and the people. Accordlingly, it can be predicted that with the collaboration of the government and individuals, people in mounting number prefer to purchase goods online delivered by the expressage which will ascends significantly both in total and rural area.
与悬浮-密实结构的沥青混合料相比，关于骨架-空隙结构的黏聚力和内摩擦角的说法，正确的是（ ）。
沥青混合料结构组成中，骨架-空隙结构的特点是（ ）。
柔性路面主要代表是沥青类路面，其破坏主要取决于（ ）和极限垂直变形。
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