1. It’s well known that smoking is bad for our health.
2. Smoking does much harm to our lung.
3. Smoking too much is very easy to get cancer, which is very terrible.
4. Besides, smoking also do harm to people’s teeth.
5. Those people always smoke will damage their teeth and their teeth are always yellow.
6. The people who smoke the passive smoking are tend to get sick.
7. Smoking is now banned in many places of work.
8. Smoking leads to many harmful diseases such as lung cancer, heart attacks, strokes, impotence, etc.
9. Throughout the world, there are many anti-smoking campaigns.
10. Scientific research shows that smoking can lead to heart disease, cancer and other problems.
11. The world health organization says diseases linked to smoking kill at least two million five-hundred-thousand persons each year.
12. Many people find it difficult to stop smoking because smoking usually becomes a habitual behaviour.
13. Another reason is the effect of nicotine, the substance found in cigarettes works on people somewhat as drugs do.
14. I'm sorry, sir, but smoking is not allowed in the library.
15. You may smoke in the lounge if you’d like.
16. Smoking is very popular among Chinese people.
17. Nowadays, the number of smokers during teenagers is increasing.
18. It is very uncomfortable to inhale the smoke of a cigarette smoker.
19. Three to four times more smoked detectors are sold per year than the room stats.
20. They smoke more than women.
21. How risky is second hand smoke？
22. You can no longer smoke in pubs.
23. She lit a cigarette and began to smoke.