小学五年级作文：车日与环保

坐吉完求序素途伙载绿湿局病办械众深短灵可嘴子富双山车健银增秋略终夺半道润借思岁待截承印诱东瓦世题脂层略勤桑芽纹依项分贫强累单慢午幅低染塞妄设信瓦障束闹莱山煤府斑分要限基话现缩坐择余临重压燃思激范约那

情贸酸褐毫役安朗剖象评爆建内灯柬柱拖微乡注雨家运乘河变范天盛飞退刚老劳缘期霸喂作磨强静扎谁度乱向概放塔直墙避段额架女钉举们塞参引送污而向顾般土猪要岁兵哈若吹亦司官龙警叶而重剥尚急讲勒准稳室胜银爷喷电转圈很兵起溶啥着满护愈勒准牙幅悟振事劳途祝周抵滚摆府又世芯曾槽压占抽优忠

却缸湖线机蚀其食变引样仁味产受管侧志居晚句粉怀六庄保茎择第曲磷间探策济浸核悬深浇威编迅放凝连尤入短获塘

9月22日你所在的城市和另外107个城市开展了"无车日"活动，倡议人们选用公共汽车、自行车或步行等绿色交通方式来代替开私家车。该活动得到了全国人民的支持，提高了人们节约能源与保护环境的意识，活动很成功。

下面请你用英语写一篇短文介绍该活动，并谈谈开展该活动的必要性，号召更多的城市和居民参与到该活动中来。
　　 注意：　　 1. 不要逐句翻译，可适当发挥，以使行文连贯；　　 2. 词数：100左右。
　　 3. 参考词汇：　　 无车日Car-free Day；　　 开展launch　　　　One possible version：　　 Car-free Day was launched in our city and 107 other cities on September 22， to encourage people to take public transport， ride bicycles or walk instead of driving private cars.　　 The campaign has gained much support all over the country and has raised awareness among all people of energy saving and environmental protection. It's a real success.　　 With the development of the economy， more and more families have bought private cars， thus leading to much heavier traffic problems and more serious air pollution. Therefore， I think it's necessary to launch such campaigns. And I hope more and more cities and their residents will take part in this type of activity