目前柳州市正在积极创建全国文明城市，中学生也在为之努力。假如你是学生李华，请根据下列图表所示内容，写一篇短文, 号召大家行动起来，努力使柳州市早日成为文明城市。
注意：1.短文内容应包含所有要点，不要简单翻译，可适当发挥；
2.文中不得使用真实姓名、班级等信息；
3.词数100左右（已给出的开头不计入总词数）。
4.参考词汇：civilized 文明的
As is known to all，Liuzhou is working hard to become one of the civilized cities in our country.
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As we all know, Liuzhou is working hard to become one of the civilized cities in our country. We middle school students should also do something for it. We should take following actions to make our city better and more beautiful.
First we should be polite to each other and respect our teachers and parents. Besides, when someone is in difficult, we should try our best to help. What’s more, it’s our duty protect our environment. We should plant trees every year, and then we can have a better life in the future. Water is very important in our daily life. It’s necessary for us to save water every day. We can ride bikes or walk to school instead of driving cars. We shouldn’t throw rubbish in public places. We'd better use shopping bags when shopping.
Only by working together can we make our city to become the civilized city.