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一伴随着社会经济的快速发展，北京的交通建设在取得巨大进步的同时，也呈现出大城市快速发展期中普遍遇到的问题。问题一：交通结构有所改变。社会经济的快速发展，大大提高了城市居民的生活水平，刺激了交通出行的增加。据近年的统计表明，北京人均出行次数为每日２．７６次?
With the rapid social and economic development, Beijing’s transportation construction has made tremendous progress while at the same time presenting the problems commonly encountered in the rapid urban development. Question 1: The traffic structure has changed. The rapid social and economic development has greatly improved the living standards of urban residents and stimulated the increase of traffic trips. According to statistics in recent years, Beijing’s per capita number of trips 2.76 times per day?