请阅读Passage One,完成第21—25小题。

　　Passage One

　　Drunken driving，sometimes called America’s social ly accepted form of murder，has become a national epidemic.Every hour of every day about three Americans on average are killed by drunken drivers，adding up an incredible 350，000 0ver the past decade.

　　A drunken driver is usually defined as one with a 0.1 0 blood alcohol content or roughly three beers，glasses of wine or shots of whisky drunk within two hours.Heavy drinking used to be an ac-ceptable part of the American alcohol image and judges were lenient in most coups，but the drunken slaughter has recently caused so many well—publicized tragedies，especially involving young children，that public opinion is no longer so tolerant.

　　Twenty states have raised the legal drinking age to2 1，reversing a trend in the l 960s to reduce it t0 1 8.After New Jersey lowered it to 1 8.the number of people killed by 1 8-to-20-year-old drivers more than doubled，so the state recently upped it back to 2 1.

　　Reformers，however，fear raising the drinking age will have little effect unless accompanied by educational programs to help young people to develop‘‘responsible attitudes”about drinking and teach them to resist peer pressure to drink.

　　Tough new laws have led to increased arrests and in many areas already.to a marked decline in fatalities.Some states are also penalizing bars for serving customers too many drinks.

　　As the fatalities continue to occur daily in every state.sonle Americans ale even beginning to speak well of the 13 years’national prohibition of alcohol that began in 1919，which President Hoover called the“noble experiment”.They forget that legal prohibition didn’t stop drinkin9.but encouraged political cor-ruption and organized crime.As with the booming drug trade generally，there is no easy solution.

　　21.Which of the following sentences best concludes the main idea of this passage?

　　A.Drunken driving has caused numerous fatalities in the United States.

　　B.It’s recommendable to prohibit alcohol drinking around the United States.

　　C.The American society is trying hard to prevent drunken drivin9.

　　D.Drunken driving has become a national epidemic in the United State.

　　22.Which of the following four drivers can be defined as an illegal driver?

　　A.A sixteen.year-old boy who drank a glass of wine three hours ago.

　　B.An old lady who took four shots Of whisky in yesterday’s party.

　　C.A policeman who likes alcohol very much.

　　D.A pregnant woman who drank a beer an hour ago.

　　23.In reformers’opinion，__________is the most effective way to stop youngsters from drinking alcohol.

　　A.raising the legal drinking age from l8 t0 21

　　B.forcing teenagers to obey disciplines

　　C.developing young people’s sense of responsibil ity

　　D.pressing teenagers to take soft drinks

　　24.The rule that only people above 2 1 years of age can drink__________.

　　A.is a new law promoted by the twenty states

　　B.had been once adopted before the l 960s

　　C.has been enfi)rced since the prohibition of alcohol

　　D.will be carried out all over the country

　　25.What is the author’s attitude toward all the laws against drunken driving?

　　A.Optimistic.

　　B.Pessimistic.

　　C.Indifferent.

　　D.Ironic.

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