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 (91) on the individual suggest that children engage in criminal behavior (92) they were not sufficiently penalized for previous misdeeds or that they have learned criminal behavior through (93) with others. Theories focusing on the role of society suggest that children commit crimes in (94) to their failure to rise above their socioeconomic status, (95) as a rejection of middle, class values.
Most theories of juvenile delinquency have focused on children from disadvantaged families, (96) the fact that children from wealthy homes also commit crimes. The latter may commit crimes (97) lack of adequate parental control. All theories, however, are tentative and are (98) to criticism.
Changes in the social structure m
A. case
B. short
C. turn
D. essence
45岁男性，经理，送来急诊，自述半小时前突然感到气紧、胸闷、心悸、头晕、出汗，认为生命垂危，要求紧急处理。近1个月来这种情况发生过3次，每次持续0.5～1小时，发病间隙期一切正常，发病与饮食无明显关系。
最适宜的急诊处理是（）
(62) While there are almost as many definitions of history as there are historians, modern practice most closely conforms to one that sees history as the attempt to recreate and explain the significant events of the past. Caught in the web of its own time and place, each generation of historians determines anew what is significant for it in the past. In this search the evidence found is always incomplete and scattered; it is also frequently partial or partisan. The irony of the historian’s craft is that its practitioners always know that their efforts are but contributions to an unending process.
(63) Interest in historical methods has arisen less through external challenge to the validity of history as an intellectual discipline and more from internal quarrels among historians themselves. While history once revered its affinity to literature and philosophy, the emerging social sciences seemed to afford greater opportunities for askin
听下面一段对话，回答第22至第25题。
In January 1989, the Community of European Railways presented their proposal for a high speed pan-European train network extending from Sweden to Sicily, and from Portugal to Poland by the year 2020. If their proposal becomes a reality, it will revolutionize train travel in Europe. Journeys between major cities will take half the time they take today. Brussels will be only one and a half hours from Paris. The quickest way to get from Paris to Frankfurt, from Barcelona to Madrid will be by train, not plane. When the network is complete, it will integrate three types of railway line: totally new high speed lines with trains operating at speeds of 300 kilometers per hour, upgraded lines which allow for speeds up to 200 to 225 kilometers per hour, and existing lines for local connections and distribution of freight. If business people can choose between a three-hour train journey from city-center to city-center and a one-hour flight, they’ll choose t
A. To win more passengers from airlines in twenty years
B. To initiate the reform of railroad in western European countries
C. To speed up the trains between major European cities
D. To set up an express train network throughout Europe
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