A
Why do people smoke? One reason is that people become addicted (有瘾) to cigarettes. The addictive substance (物质) in cigarettes is nicotine. When people smoke, the nicotine goes right into the blood stream and makes people feel relaxed. A smokers body gets used 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 do so. Another reason is that people simply enjoy smoking. Having a cigarette for many people means taking a break. For .some people smoking becomes part of certain social rituals (礼节), for example, the cigarette after dinner. Many people enjoy smoking because it gives you .something to do with your hands. Reaching for a cigarette, lighting it, flicking (轻弹) the ashes are especially comfortable in situation where a person feels nervous.
Many people also like the taste of tar(焦油) in cigarettes. However, it is the tar that causes cancer (癌). While governments and health experts (专家) have tried to get people to give up smoking completely, cigarette manufacturers (制造商) have tried to keep selling them by producing cigarettes with less tar. Many people in Western countries have welcomed these cigarettes since they find it hard to stop smoking but want to reduce the danger to their health.
1. Many people become addicted to cigarettes because ______.
【2010年高考英语阅读理解专项复习题6】相关文章:
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