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Pollution: a Social Problem-污染一个社会问题 Pollution: a Social Problem When we read newspapers, we often come across the word pollution. This word was not familiar to the people some decades ago. But now, it is a serious threat to us because.it means the poisoning of the air, seas, rivers and lands, which would do harm to our health. There are many factories that bring pollution to us. We can not have fresh air in the morning. This is mainly because of the poisonous smoke coming from factories, especially chemical ones. In rivers, seas and oceans, there are industrial wastes. Some factories just throw their wastes into seas or let them flow into rivers. When people drink the water from such rivers, they get poisoned. Besides, there is rubbish from ships and when sometimes an accident occurs in an ocean, oil flows out from tankers. On land, the accumulation of rubbish in the streets may dirty the city and ruin our health. This is mainly due to the improper disposal of rubbish by people. If we do mot fight against pollution, surely one day all of us will be killed. Some people like to put the blame on the industrial revolutions. On the contrary, the pollution problem will be solved only with the help of modem science and technology. 污染一个社会问题 我们看报的时候，经常会看到污染这个词。这个词对于几十年前的人来说并不熟悉。然而对于我们来说，它是一个严重的威胁，因为它意味着危害空气、海洋、河流和土地，进而对我们造成伤害。 | 
