写作素材：公共场所是否应该禁烟.

　　Should Smoking Be Banned in All Public Places?

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　　1. Second-hand tobacco smoke can be deadly as well.

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　　2. Cigarette smoke contains about 4000 chemicals, about 50 of which are known cancer-causing agents .

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　　3. Only one smoker makes a majority, as the smoker spreads and fills all space available.

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　　4. Governments should pass law to protect people and place controls on actions that harm others.

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　　5. Damaging one’s health is viewed as a personal liberty; damaging some one else’s health may not.

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　　6. Smoking in public places constitutes a real hazard to non-smokers.

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　　7. Smoking endangers people’s health. Smokers are more likely to suffer from bronchitis and lung cancer and have a higher risk of developing other kinds of cancer.

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　　8. Smoking may pose a potential fire hazard for smokers are careless about the cigarette butts.

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　　9. Smoking may cause diseases such as cancers and bronchitis.

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　　10. For years cigarettes have been known to cause cancer, emphysema , and other horrible illnesses.

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　　11. Smoking not only does harm to the health of smokers but also affects the health of non-smokers around them because non-smokers are forced to take in some poisonous substances which smokers blow into the air.

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　　12. Families could save money by not purchasing cigarettes; and accidental fires costing millions of dollars caused by cigarettes would cease.

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　　13. With every cigarette you smoke, you are causing damage to your health.

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　　14. Every cigarette you smoke reduces your lifespan by 11 minutes.

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文章来自张弛新老师