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进入微博的网民越来越多，问题也五花八门。有关统计报告显示，2011年底，中国互联网不重复的微博独立用户数将达1亿，2013年底将达到2.53亿。这么庞大的群体汇聚的智慧，将是难以想象的。 “微博潮”来袭，我省不少中学生成为“微博”的忠实拥护者。从学生的微博中发现，学生们的微博大部分时间都在“直播”自己的学习生活情况。不少家长从微博上了解到孩子的情况后，会忍不住干预孩子的举动。“微博上一些负面偏激的语言会影响孩子，何况写微博太分心了。”个别家长发现子女有时候上课也写微博后，马上没收了手机。对于家长的干预，学生们有的表示反感，有的表示理解，也有的采取应对措施不予理睬。 如果你是班上的政治老师，请你运用辩证唯物主义的知识，就家长的做法和担忧与其进行思想沟通。
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道德的评价标准是（）。
The changing profile of a city in the United States is apparent in the shifting definitions used by the United States Bureau of the Census. In 1870 the census officially distinguished the nation’s "urban" from its "rural" population for the first time. "Urban population" was defined as persons living in towns of 8,000 inhabitants or more. But after 1900 it meant persons living in incorporated places having 2,500 or more inhabitants. Then, in 1950 the Census Bureau radically changed its definition of "urban" to, take account of the new vagueness of city boundaries. In addition to persons living in incorporated units of 2,500 or more, the census now included those who lived in unincorporated units of that size, and also all persons living in the densely settled urban fringe, including both incorporated and unincorporated areas located around cities of 50, 000 inhabitants or more. Each such unit, conceived as an integrated economic and social unit with a large population nucleus, was named a Standard Metropolitan Statistical Area (SMSA). Each SMSA would contain at least one central city with 50,000 inhabitants or more or two cities having shared boundaries and constituting, for general economic and social purposes, a single community with a combined population of at least 50,000, the smaller of which must have a population of at least 15,000. Such an area included the country in which the central city is located, and adjacent countries that are found to be metropolitan in character and economically and socially integrated with the country of the central city. By 1970, about two-thirds of the population of the United States was living in these urbanized areas, and of that figure more than half were living outside the central cities. While the Census Bureau and the United States government used the term SMSA (by 1969 there were 233 of them), social scientists were also using new terms to describe the elusive, vaguely defined areas reaching out from what used to be simple "towns" and "cities". A host of terms came into use: "metropolitan regions", "polynucleated population groups", "conurbations", "metropolitan clusters", "megalopolises", and so on. What does the passage mainly discuss
思想政治课新课程的评价要求是什么
云南省原保山地委书记杨善洲，始终廉洁奉公，公而忘私，尽心竭力为老百姓办实事，辞世前，他把自己20多年辛勤营造的数万亩森林无偿交给国家。杨善洲的行为（）。①践行了中国共产党的宗旨②体现了共产党员的先锋模范作用③反映了公民的权利和义务是统一的④表明了只有在劳动和奉献中才能实现人生价值
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