air pollution air pollution is aserious question inthe world It includes dirty air from the cars, from the facories and so on

空氣汙染在世界上是一個嚴重的問題，它包括來自汽車的汙染空氣，來自工廠的空氣，等等。

Only by changing the way we treat the environment can we get along well with it.Only by saving the environment can save ourselves.只有我們改變對待環境的態度，我我們才能和它更好地相處。只有我們拯救了環境，我們才能拯救自己。2.When the sky blue again,the rivers become clean,and the grass is always green,we"ll live a healthier and happier life.當天空再次湛藍，河水變得清澈，草地永遠碧綠，我們才會擁有更健康更快樂的生活。3.If we go on polluting water,the last drop of water will be our tears. 如果我們繼續汙染水資源，世界上最後一滴水將會使我們的眼淚。4.Saving oer environment is everyone"s duty.挽救我們的環境是每個人的責任。5.Our earth is just our future.我們的地球就是我們的未來。6.To protect the earth is to protect ourselves.保護地球就是保護我們自己。7.Everyone should remember that we have olny one earth.每個人都應該謹記，我們只有一個地球。8.Not a clean environment, then the living conditions favourable meaningless.沒有一個清潔的環境，再優裕的生活條件也無意義。 (曲格平)