Alcohol and cigarettes are the two greatest killers in the world. 酒和烟是全世界最大的两个杀手. Hundreds of thousands of people have died because of these two social evils. 有数十万计的人死于这两种有害于社会的东西. As a result,some governments are trying to control the use of these drugs. 因此,有些政府正设法控制这些麻醉剂的使用. For example,in many countries, the legal age for drinking has been raised from eighteen to twenty-one. 例如,在许多国家中, 喝酒的合法年龄已从18岁提高为21岁. Some countries have even banned smoking in public places. 有些国家甚至禁止在公共场所抽烟. People can help each other live longer by simply discouraging these bad habits. 而人们只要劝别人改掉这 些坏习惯,就可以帮助彼 此活得久一点.
