在线等。可追加分数。截止一小时后
自己努力的结果:Dating back to the history of China, shanghai is the major city, which reflects the direction of the development during the past 100 years. Before one thousand years, Beijing city was the centre of the cultural field. In addition, Shaanxi was the most prosperous city 3000 years ago, while Shanxi was the cradle of Chinese civilization of 5000 years.不知道有没有语法问题