答案：
解析：
Saving Our City 　　It is very important to deal with the rubbish in citied. Rubbish must be treated properly. Otherwise it may cause a lot of problems. It may pollute the air and water. When people breathe the polluted air or drink the polluted water they may get ill. 　　Our city has begun to pay attention to the problem. As far as I know some rubbish is sorted and sent to different factories. Rubbish such as old newspapers and glass is recycled. Some harmful rubbish is sent to a certain place and buried. Waste air is cleaned before it goes into the air. Waste water is treated before it is poured into rivers. 　　To protect the environment the government has passed laws to prevent people from throwing rubbish everywhere. We should do our best to take good care of the environment and fight against pollution.

答案：
解析：
Saving Our City 　　It is very important to deal with the rubbish in citied. Rubbish must be treated properly. Otherwise it may cause a lot of problems. It may pollute the air and water. When people breathe the polluted air or drink the polluted water they may get ill. 　　Our city has begun to pay attention to the problem. As far as I know some rubbish is sorted and sent to different factories. Rubbish such as old newspapers and glass is recycled. Some harmful rubbish is sent to a certain place and buried. Waste air is cleaned before it goes into the air. Waste water is treated before it is poured into rivers. 　　To protect the environment the government has passed laws to prevent people from throwing rubbish everywhere. We should do our best to take good care of the environment and fight against pollution.