jackhunter
果实
共回答了26个问题采纳率:88.5% 举报
With constant progress and constant development of the society of the human civilization,the problem of environmental pollution is outstanding day by day.In global the ten environmental problems,the air pollution arranges the seventh.The air is the requirement that we survive,good air quality is the foundation of our good life,so,we should particularly pay close attention to the atmospheric question.Hope everybody can start from minor matter around,returns the earth a beautiful atmosphere.
1年前
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