[听力原文]
Smoking can be harmful to your health. But why do people smoke
One reason is that people become addicted to cigarettes. To be addicted means that your body comes to need them. The addictive substance in cigarettes is nicotine. When people smoke, the nicotine goes right into the blood stream and makes people feel relaxed. A smoker’s body gets accustomed to the nicotine and if he stops smoking he feels nervous. Many smokers try to stop smoking, but because of the addiction to nicotine they feel so uncomfortable that they often find it too difficult to stop.
Another reason is that people simply enjoy smoking and what it symbolizes. Having a cigarette for many people means taking a break. For some people smoking becomes part of certain social rituals, for example, the cigarette after dinner. Many people enjoy smoking because it gives them something to do with their hands. Reaching for a cigarette, lighting it and flicking the ashes are especially
A. Nicotine.
B. Ashes.
C. Smoke.
D. Tar.
According to the USA Office on Smoking and Health, more than 3,000 children become smokers every day. 63 percent of all American high school seniors have tried smoking. Nearly one in five smokes daily.
It is apparent that no matter how many times children are told, a great number of them are going to try smoking anyway. Peer pressure plays an important part. Many children start smoking because their friends have tried it. Smoking may get them in with the "in crowd" and help them to make friends. If they smoke, they will be accepted by their peers.
How to avoid the child to be one of the smokers is a severe problem for the whole society. According to the Department of Health and Human Services, 11 percent of boys and 8.5 percent of girls smoke their first cigarette by fourth grade. Therefore, it is urgent to prevent the children from smoking. Parents have the most influence in this aspect. Children should be informed the harm of smoking in their 3 or 4 ye
A. two fifths
B. 63 percent
C. About one in five
D. 63,000
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