根据所给的题目和下面的关键词，写一篇120个词左右的短文：health , urrounded by , mog , anything but , gae , impuritie , aborb , poionou , try hard , blacked out
范文：
We all know that clean air i important to good health. Wherever you go and whatever you do, you are alway urrounded by a ea of gae that we call air. If there are impuritie in the air, they may be aborbed by our bodie and make u ill. We need clean air, but unfortunately , air pollution i globally preent , epecially in citie.
Many large citie are anything but pollution-free. Our citie have many factorie, which we need to make food, clothing and other thing. Every year thee factorie pour million upon million of ton of mog into air. Power plant and houe that burn coal add greatly to air pollution. Beide , there are more car in citie now. Once out on the treet, they will take in freh air and replace it with poionou gae.
Our country i trying hard to prevent and control air pollution. A long a every citizen alo realize it importance and make join effort, the day will come oon when people will take in only clean air. Then , the unlight will no longer be blackened out by moke and oot.