摘要：3．介绍江城情况时用第三人称.谈个人想法时用第一人称. [答案] One possible version: Dear Bob, It's very kind of you to write me and let me know about your beautiful city. Now I'd like to tell you something about my hometown jiangcheng. The city stands on the bank of the Changjiang River. It is a beautiful place for people to live in. Its economy has been developing rapidly in the past ten yeats. New factories, houses and rods have been built. More schools and hospitals are available for people. However, there are problems such as water and air pollution and heavy traffic in rush hours. In my opinion, Jiangcheng should develop its economy scientifically. I would also think that the growth of population should be brought under control so that we'll have a bitter hometown in future. Yous, Xiao Hua

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