Wang Bing's father began smoking when he was in college. His friend passed him his first cigarette . He has now been smoking for more than 30 years. It's an example of how young people are introduced to cigarettes,except that nowadays smokers develop their habit at an even younger age. It has become a main worry in China that many teenagers begin to smoke. A showed that 22. 5 % of the middle school students questioned had tried smoking and 15. 8% of them smoked regularly . For many teenagers, smoking is a symbol of being an adult,maturity   and attractiveness because the images who they love best often smoke on screen. The social environment also plays an important role in attracting teenagers, to smoking. They are used to seeing their elders, especially male  family members, smoking at home. Many of them imitate adult behavior and become new smokers. To increase the price of cigarettes is a useful way to reduce the number of young smokers, as teenagers have no enough money to spend on them. Another way is to teach the teenagers to refuse cigarettes. A survey shows that 92. 5% of the students know smoking will be bad for their health. If we tell them, in a proper way, most of them may give up smoking. All in all, the society, the government, the school and the family should join together to take the responsibility for an anti-smoking act aimed at teenagers,not just to put empty words and warnings on cigarette packs. What's the main idea of this passage?
The teenagers think smoking is a symbol of being an adult and maturity. The social environment encourages the teenagers to smoke. The teenagers should be taught to refuse to smoke. The teenage smoking has become a serious problem in China.