D．tries to tell people about the danger of drunk driving

　　答案　D　[细节理解题。根据第二段的MADD tries to change the way we look at drunken drivers. Rebecca Bearden said，“It's not just a car accident. It is a crime，and it is a violent crime. And we have worked very hard and have succeeded in making society realize that is so. ”可知MADD尽量让人们明白酒后驾车的危害。]

　　50．By the underlined sentence in Paragraph 3，the writer means ________.

　　A．now people think it is OK to drive after drinking

　　B．now drivers try not to drink before driving

　　C．now more people get drunk than before

　　D．now more parties are held

　　答案　B　[推理判断题。根据第三段的Today，often one person at a party does not drink. This person is the driver. People think this is a good thing to do. 可知现在情况得到改善了，司机学会了在开车前不喝酒，而且人们也认为这样做是对的。]

　　51．We infer that alcohol­related deaths in California have gone down greatly mainly

　　because ________.

　　A．California has improved freeways

　　B．drivers there often have alcohol tests

　　C．the punishment for driving drunk there is severe

　　D．people there have chosen to go out by bus

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