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五、逻辑问题例文分析 Case Study 3 The following appeared in the editorial section of a newspaper. As public concern over drug abuse has increased, authorities have become more vigilant in their effort to prevent illegal drugs from entering the country. Many drug traffickers have consequently switched from marijuana, which is bulky, or heroin, which has a market too small to justify the risk of severe punishment, to cocaine. Thus enforcement efforts have ironically resulted in an observed increase in the illegal use of cocaine. Student Essay The argument that enforcement effort over illegal drag trade, incurred by the increase of public concern over drug abuse, resulted in an observed increase in the illegal use of cocaine sound reasonable at first. But the fact that movement against drag abuse is the venture of all human being and all the responsibility of all governments, and other reasons below will weak the result, or draw to an opposite conclusion. Drug abuse brings us human being nothing but a disaster, mental aberration, debilitated health, career desolation, family breakage and peoples totally out of control. No doubt, however small the result will be, every government should take some action against drug abuse, make people way from illegal drugs and bring a steady and health society. All kinds of illegal drugs, not only cocaine, endangers our lives. Considering the enforcement effort over illegal drugs, we should view the efforts over the total amount of marijuana, heroin, cocaine and other illegal drugs. Since many drug traffickers have consequently switched from marijuana and heroin to cocaine because of governments action, We can not tell the change on the total amount of drugs if, with the dramatic decrease of marijuana and heroin, this total amount decreased as the result of enforcement. We can claim that opposite the argument, the enforcement of effort do overawe the drug traffickers. | 
