四級作文：Air pollution_空氣汙染
在我們平凡的日常裡，大家都經常看到作文的'身影吧，作文是從內部言語向外部言語的過渡，即從經過壓縮的簡要的、自己能明白的語言，向開展的、具有規範語法結構的、能為他人所理解的外部語言形式的轉化。寫起作文來就毫無頭緒？以下是小編整理的四級作文：Air pollution_空氣汙染，歡迎閱讀，希望大家能夠喜歡。
The picture reflects the air pollution is threats our healthy day by day,everybody has to wear masks to protect themselves from the fog and haze. Therefore,we can not neglect the seriousness of air pollution.
As a matter of fact,we have many methods to avoid or reduce the harm of air pollution.On the one hand,the major and largest sources of air pollution come from industrial pollution and automobile exhaust.Therefore,we should try to develop new energy to replace the tradition ones;in addition,public transportation vehicles is our top choice when we go out to doing something.On the other hand,we should plant more trees to absorb more carbon dioxide in the air and let trees release more oxygen through the process of photosynthesis.
In brief,the air belongs to us all and everybody on the planet ,to should take the responsibility for protecting the environment,to be specific,the air.