幸福长沙，非凡十年。在过去十年，长沙发生了巨大的变化，人们的生活也变得丰富多彩。今年十月，长沙被评为了特大城市。请你为新华社投稿，介绍长沙的变化，赞美长沙，祝福长沙。内容包括：
1.长沙的变化（从住房，环境，交通……方面介绍）；
2.作为青少年，我们能为长沙做什么；
3.赞美长沙，祝福长沙。
要求：
1.包含以上信息，适当拓展，使行文流畅；
2.词数：80词左右，标题和开头已给出，不计入总词数。
3.不得出现真实的人名、校名。
Changes in Changsha Great changes have taken place in Changsha in the past 10 years.
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【考点】说明文；时代变迁．

【答案】Changes in Changsha    Great changes have taken place in Changsha in the past 10 years.In the past，people here lived a poor life．The houses were old and small．Pollution was very serious，and there was rubbish everywhere．The transportation was not convenient，so few visitors came here．The environment has become much better．The mountains have turned greener．The rivers are clearer and the sky is bluer．There are trees，flowers and grass everywhere．People live a better life．Their houses are large and bright．Many people have their own cars．A lot of highways have been built in my hometown．The transportation is more convenient than before．
We usually need to protect the environment.At the same time，we should be polite to others.We try to walk instead of driving.
Every year，thousands of people from all over the world come to visit my town．I'm sure Changsha will become better and better in the future．