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E The most frightening words in the English language are, “Our computer is down.” You hear it more and more when you are on business. The other day I was at the airport waiting for a ticket to Washington and the girl in the ticket office said, “I’m sorry, I can’t sell you a ticket. Our computer is down.” “If your computer is down, just write me out a ticket.” “I can’t write you out a ticket. The computer is the only one allowed to do so.” I looked down on the computer and every passenger was just standing there drinking coffee and staring at the black screen. Then I asked her, “What do all you people do” “We give the computer the information about your trip, and then it tells us whether you can fly with us or not.” “So when it goes down, you go down with it.” “That’s good, sir.” “How long will the computer be down” I wanted to know. “I have no idea. Sometimes it’s down for 10 minutes, sometimes for two hours. There’s no way we can find out without asking the computer, and since it’s down it won’t answer us.” After the girl told me they had no backup computer, I said. “Let’s forget the computer. What about your planes They’re still flying, aren’t they” “I couldn’t tell without asking the computer.” “Maybe I could just go to the gate and ask the pilot if he’s flying to Washington, ” I suggested. “I wouldn’t know what gate to send you to. Even if the pilot was going to Washington, he couldn’t take you if you didn’t have a ticket.” “Is there any other airline flying to Washington within the next few hours” “I wouldn’t know, ” she said, pointing at the dark screen. “Only ‘IT’ knows. ‘IT’ can’t tell me.” By this time there were quite a few people standing in lines. The words soon spread to other travelers that the computer was down. Some people went white, some people started to cry and still others kicked their luggage. What could the girl in the ticket office do for the passengers without asking the computer
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Many theories concerning the causes of juvenile delinquency crimes committed by young people focus either on the individual or on society as the major contributing influence. Theories 16 on the individual suggest that children engage in criminal behavior 17 they were not sufficiently penalized for previous misdeeds or that they have learned criminal behavior through 18 with others. Theories focusing on the role of society suggest that children commit crimes in 19 to their failure to rise above their socioeconomic status 20 as a rejection of middleclass values. Most theories of juvenile delinquency have focused on children from disadvantaged families, 21 the fact that children from wealthy homes also commit crimes. The latter may commit crimes 22 lack of adequate parental control. All theories, however, are tentative and are 23 to criticism. Changes in the social structure may indirectly 24 juvenile crime rates. For example, changes in the economy that 25 to fewer job opportunities for youth and rising unemployment 26 make gainful employment increasingly difficult to obtain. The resulting discontent may in 27 lead more youths into criminal behavior. Families have also 28 changes these years. More families consist of oneparent households or two working parents; 29, children are likely to have less supervision at home, 30 was common in the traditional family 31. This lack of parental supervision is thought to be an influence on juvenile crime rates. Other 32 causes of offensive acts include frustration or failure in school, the increased 33 of drugs and alcohol, and the growing 34 of child abuse and child neglect. All these conditions tend to increase the probability of a child committing a criminal act, 35 a direct causal relationship has not yet been established.
改错题：改正句子中的错误。（本题24 分） （1）各级政府应当很好地履行中小企业发展的职责，要依法规范和引导其经营行为，保证中小企业健康发展。 （2 ）十年间，图书年出版品种增加了一倍，而总印数基本持平，说明图书的平均印数下降了一倍。 （3 ）200 年来，地球上的森林大约已有1/3左右被采伐和毁掉。 （4 ）秋高气爽，天高云淡，十月的北京是个美丽的季节。 （5 ）现在勤奋求知、苦练本领，是同学们将来能否大有作为的关键所在。 （6 ）我们出版社有优秀的有30 年工龄的两位老编辑。 （7 ）有些炎症，西药能治，中药照样能治，不仅一些中药能与一般抗生素媲美，而且副作用小，成本低。 （8 ）由于改编者没有很好地理解原作的精髓，凭主观想象，加入了许多不恰当的情节，反而大大地减弱了原作的思想性。 （9 ）我们的报纸、杂志、电视等一切出版物，更有责任作出表率，杜绝用字不规范的现象。 （10）有人不择手段仿造伪劣产品，对这种坑害消费者的不法行为，要给以严厉的打击。 （11）地震发生之后，当地政府及解放军部队全力救助，灾区群众都已住进了帐篷，防止余震再次发生。 （12）房屋买卖合同的问题很多，怎样才能避免买卖双方合法权益不受侵害，有关部门对此作了相关提示。
D Are you one of those who always fear whenever a dog is approaching If you are, you have got phobia (a very strong feeling of being afraid of something ). Of all human fears, phobias may be the most uncontrollable. They are most often caused by a particular situation or object. In general, phobias can mainly be divided into three varieties. To begin with，agoraphobia is a fear of staying in strange surroundings, for example, an unfamiliar place, or an open area. Social phobia refers to the anxiety people show when they have to stay or perform on social events, for instance, speaking in front of the class. Lastly, there are a wide range of specific phobias. People suffering from this kind of phobia are terrified of specific objects or creatures, such as spiders, perhaps to your surprise, clowns. Besides, there are about six hundred and fifty phobias listed by psychologists (心理学家) as yet. Faced with their phobias, many people choose to do nothing but just escape the situations or objects they fear. Psychologists, however, warn that if not treated properly, this kind of anxiety will get worse, so that it may disturb the sleep pattern, cause physical symptoms, and finally affect their daily activities. As for treatment, clinical research has discovered that medicine for anxiety is not successful in curing phobias. However, the anxiety disorders can be efficiently treated through cognitive behavioral therapy ( 认知行为疗法 ), through which patients are led to inspect the connections between their own fear and the situation or object, and then actively choose the acceptable treatments. Also, other treatments proved effective in reducing phobias are meditation, listening to calming music, and so on. What do those with agoraphobia feel terrified of and anxious about
H.261的视频图像序列有（）种，MPEG-1的视频图像序列增加了（）。 MPEG-1的视频图像序列增加了（）。
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