你校正在开展创建文明班级，共建和谐校园活动，请根据下表内容，以A Meaningful Activity为题写一篇短文，向China Daily投稿，介绍有关情况。
主题
同陋习告别，与文明握手
目的
根除乱扔、乱吐、留长发、吸烟、喝酒等现象；提倡穿校服、讲礼貌。
内容
举办图片展，进行教室、宿舍美化评比等。
注意：1． 词数：100左右
2． 参考词汇：civilization（文明）harmonious（和谐的）
参考例文
A meaningful Activity
Our school has now started an activity called Build Civilized Classes and a Harmonious Campus． The topic is Get Rid of Bad Habits and Greet Civilization．
Bad habits do exist． Some students throw rubbish everywhere or spit in public． Some wear long hair． Others are even addicted to smoking and drinking． We require that the students break away from these bad habits．
We urge the students to wear their school uniform and be polite to others．
During the activity， well hold a picture show， a competition of classroom and dormitory decorations and so on．
We all hope that well build each class into a civilized one and our campus into a harmonious place．