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毒品一般指非医疗、科研、教学需要而滥用的有依赖性的药品.毒品的分类很多,一般分4类:麻醉镇宁类、中枢神经系统兴奋剂、镇宁催眠类和致幻剂.通常所称的3大毒品是指海洛因、可卡因和大麻,它们是影响最大、数量最多的毒品.结合所学的有机化学知识,同学们可以分析毒品的化学成分和化学性质,了解毒品的危害.
Drugs generally refer to drugs that are dependent on non-medical, research, or teaching needs and are abused. Drugs are classified in many categories and are generally classified into four categories: narcotic Zhenning, central nervous system stimulants, Zhenning hypnotics and hallucinogens. The three major drugs are heroin, cocaine and marijuana. They are the most influential and most numerous drugs. Combining the knowledge of organic chemistry, students can analyze the chemical composition and chemical properties of drugs to understand the dangers of drugs.