最大的杀手 酒和烟是全世界最大的两个杀手。有数十万计的人死于这两 种有害于社会的东西。因此，有些政府正设法控制这些麻醉剂的 使用。例如，在许多国家中，喝酒的合法年龄已从18岁提高为 21 岁。有些国家甚至禁止在公共场所抽烟，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。

Lesson 121
The Greatest Killers
Alcohol and cigarettes are the two great-
est killers in the world. Hundreds of thou-
sands of people have died because of these
two social evils. As a result, some govern-
ments are trying to control the use of these
drugs. For example, in many countries, the
legal age for drinking has been raised from
eighteen to twenty-one. Some countries
have even banned smoking in public places.
People can help each other live longer by
simply discouraging these bad habits.