英语练习127 The greatest killers

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。

Alcohol and cigarettes are the two greatest killers in the world.

hundreds of thousands of people have died because of these two social evils.

As a result,some governments are trying to control the use of these drugs.

For example,in many countries,the legal age of drinking was raised from 18 to 21.

Some countries have even banned smoking in public places.

People can help each other live longer by simply discouraging these bad habits.

go buy me a carton of cigarette

I used to be a heavy smoker

he is a chain smoker

I'm a addicted smoking,I should quit smoking

million

one hundred students

ten thousand students

one hundred thousand students

好几万学生 tens of thousands of students
As a result[Therefore] , he failed the exam

Father banns me from talking to Mary.