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《联合国国际货物多式联运公约》是调整国际多式联运方面的国际公约，因此对多式联运经营人具有强制适用性。( )
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简答题 消息《研究生蔡成龙回乡当农民》的新闻主体采用的是哪种写法简述该结构方式的基本特征及运用中要注意的问题。 本报讯 初冬时节，记者来到图们市长安镇碧水村，看到山沟里有一座砖瓦到顶的新牛舍，牛舍中20多头皮毛锃亮、体格健壮的母牛在悠闲地吃着草料。若不是村民介绍，很难想到牛舍主人蔡成龙竟是一位研究生。 2000年7月，23岁的蔡成龙在延边大学农学院毕业后，到大连、北京、沈阳和长沙等城市工作，开拓视野、增长见识。后来，蔡成龙放弃了待遇优厚的外企翻译工作，回到延边继续求学深造。2002年，蔡成龙考取延边大学农学院动物营养与饲料科学专业硕士研究生，跟随导师研究延边黄牛发展课题。 2004年3月，为发挥所学知识，干一番事业，在读研究生的蔡成龙，回到碧水村当了农民。刚回家时，蔡成龙家没有积蓄，他四处跑贷款，向亲戚朋友求助，筹集到12万元钱，租赁了l5公顷水旱田、1公顷林地，购买了10多头牛，以及播种机、搅拌机和四轮农用车等农机具，建起了180平方米的育肥牛舍。蔡成龙运用自己所学的知识精心饲养黄牛，牛群逐渐扩大，多时达50多头。 为能使所学用于家乡建设，2005年，蔡成龙担起碧水村防疫员的重任。蔡成龙不但热情传授养牛技术，还买来液氮罐，为村民进行黄牛繁殖改良。在蔡成龙的带动下，村民养牛的收入也明显提高。 在发展养殖业的同时，蔡成龙还带动80多户村民发展种植业。去年，蔡成龙与延吉什锦食品有限公司签订订单，种植面瓜向国外出售。今年，蔡成龙种植面瓜60公顷，增加了农民收入。 今年，蔡成龙家出栏黄牛20多头，收入5万多元。蔡成龙养的牛成本低、膘情好，村民纷纷来找他学习养牛技术。 临别时，蔡成龙高兴地告诉记者，如今，他不仅还清了借款，还置办起了20余万元的固定资产。
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.
在自然保护区的核心区内，只允许从事科学研究活动，禁止旅游及其他生产经营活动。
A A volcanic eruption in Iceland has sent ash across northern Europe.Airlines have stopped or changed the flights across the Atlantic Ocean,leaving hundreds of passengers stuck in airports. Grimsvotn is one of the largest active volcanoes in Europe.What makes Grimsvotn different is that it lies under a huge glacier（冰川） of ice up to 12 meters thick.The hot volcano heats up the ice above it,which then forms a layer（层） of water between the glacier and the volcano.This layer of water puts pressure on the volcano,keeping it stable.As the water flows out from under the glacier,the pressure lifts.The lava（岩浆） from the volcano then comes up to the surface.This is exactly what has happened today. Now,airlines have to make changes to their flights so as not to fly through the clouds of volcanic ash.According to KLM,one of Europes biggest airlines,airplanes cannot go under the cloud or over it.Going through the cloud can result in ash getting stuck in the airplanes engines,causing damage to the plane. The eruption has also caused problems for animals in Iceland.The volcano left ash and sharp,glasslike rocks all over the countryside.Farmers are keeping their animals inside to stop them from eating ashcovered grass or the sharp objects. What makes Grimsvotn different from other volcanoes
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