共查询到20条相似文献，搜索用时 62 毫秒
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<正>一般情况下,在解答数学问题时,通常采用"以退求进"的思想方法,即从"结论"向"条件"后退;从"一般"向"特殊"后退;从"抽象"向"具体"后退;从"综合"向"单一"后退;从"高维"到"低维"后退的思想方法.但有些问题只用"退"的方法是非常困难,甚至难以解决.这时,如果采用"退"相反的方向——"进",如:从"特殊"进到"一般";从"较弱"进到"较强";从"简单"进到"复杂";从"具体"进到"抽象",再通过对新问题 相似文献
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刘康德 《上海师范大学学报(哲学社会科学版)》2007,36(4):15-22
文章对《周易》中的"爻"作了诠释.文章从"爻"的形状生成说起,论述了"爻"与"十"、"爻"与"×"的关系.文章又从"爻"的形状论及"十"与"×"的普遍性.文章最后由"爻"的本义("爻,交也"、"爻,效也")论及"爻"的衍生义. 相似文献
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刘承峰 《华东师范大学学报(哲学社会科学版)》2014,(5)
现代汉语中的"主观性"研究集中于"主观量",即言者对句中现实数量相对于预设量"向大"或"向小"的偏移主观评价。如果改变考察角度,可以发现量的"主观性"本质内涵与"主观量"并不相同,而应是基于"单位比较基点"所对应的"现实比较量"与"潜在比较量"之间的对比,言者对"单位现实比较量"相对"单位潜在比较量"偏移的主观评价。现代汉语中量的"主观性"存在"单位现实比较量"相对"单位潜在比较量"的"偏移"和"逼近"两种类型,前者主要指的是句法范畴中副词的"主观性";后者指的是语用中"主观性"的优选策略,如"非自然会话"中的言者会利用其信息优势,选定"主观性"表述。 相似文献
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融城现象给教育带来了多方面的发展机遇,同时,也带来了一些"融教"的新问题。探析"融教"的涵义,分析"融教"的基础,针对目前"融教"思想缺失、"融教"进程缓慢、"融教"优势遗弃的现状,提出要端正"融教"观念、改善"融教"策略、调整"融教"布局、突出"融教"重点。重视"融教"的基础投入,挖掘"融教"的潜在功能,强化"融教"的保障体系,以"融教"促进"融城"的发展。 相似文献
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王振刚 《学生之友(初中版)(金视野)》2014,(Z1):60-61
正"虎"字第三笔是"横钩"每次写"虎"字时,小精豆总是把第三笔写成"横"。课间,老师拿来了"虎"字的卡片,和"虎"的图片,让小精豆想一想,第三笔"横钩"的"钩"的部分像什么呢?小精豆定了定,说:"像虎牙。"从那以后,小精豆再也没有把"虎"字的第三笔写成"横"。 相似文献
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"捞"在东南方部分地区的客家话、粤语和西南官话中有"搅拌"、"混合"的实词义及"和""替"、"向"等虚词义,但"捞"在字书、经书、韵书里并没有这些义项的记录,文献里也没有出现使用"搅拌"及"和""替"义的例句."捞"在广韵里是豪韵、平声、来母,与台语中"搅拌"读音接近,承载"搅拌"义的"捞"与台语中的"搅拌"有着严整的音义对应关系.东南方部分地区客家话、粤语"捞"的"搅拌"义来源于台语,后由此虚化为表示"跟"、"替""向"等的连词、介词. 相似文献
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张玲玲 《四川教育学院学报》2013,(2):92-94
"六艺"指礼、乐、射、御、书、数六门科目的教育。从古至今,人们对它的研究也是从各个不同角度进行的,如:六艺的人文思想、六艺的教育意义和六艺的特点等等。对"六艺"的语源义进行探求,是以求从新的方面,即古代汉语角度对"六艺"进行研究。得出:"礼"、"乐"、"射"、"御"、"书"、"数"的语源义分别是"有规则"、"美,好"、"舍弃,远离"、"禁止"、"把……明显化,表现出来"、"把一个整体的东西细分"。 相似文献
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《阅读与作文(高中版)》2014,(24)
正中国资本系族的游戏,似乎从一开始就没有停歇过。你还记得那些年我们见到过的资本系族吗?"德隆系"、"斯威特系"、"中广系"、"凯地系"、"飞天系"、"托普系"、"农凯系"、"鸿仪系"、"朝华系"、"青鸟系"、"格林柯尔系"、"成功系"、"明伦系"、"精工系"、"飞尚系"、"升汇系"、"金鹰系"、"银泰系"、"明天系"、"新湖系"。至今日的"中技系"成清波"出事",股市看客们早已见怪不怪,中 相似文献
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《海外英语》2007,(5):10-11
Many college freshmen arrive woefully unprepared to do college work, and as disadvantaged populations continue to grow, the share of the American work force that has made it through college is expected to plummet. Many experts blame that educational failure not just on high schools but also on colleges. School & College, a special report by The Chronicle, looks at efforts to fix the system. What reforms would better prepare students for college? What should schools and colleges be doing differently? How should state and federal officials help? 相似文献
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罗艳萍 《读与写:教育教学刊》2008,5(6)
The communication of people partially is the communication of cultures. Culture has a direct effect on international commercial activities in all aspects. Different conceptions about time, space, equality, law and the like, lead people to deal with things in different ways. So to know cultures of the counterpart is to facil-itate our enterprises so as to have a smooth and successful communication in commercial activity. 相似文献
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《海外英语》2007,(4):36
There are numbers of crossroads on our long and unpredictable life journey where we totally have no idea about which direction to choose. No matter what our decision is, we should not turn back, but face the music and go ahead instead. I am this kind of girl who always does try without regretting, one example is how I dealt with my love. 相似文献
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Migration occurs behind a variety of reasons and has a great effect on the whole world. People may migrate in order to improve their economic situation, or in order to escape civil strife, persecution, and environmental disasters. The impact of migration is complex, bringing both benefits anddisadvantages. This paper briefly talks about the causes of migration, the allocation of benefits, and the ways in which individual countries and the international community deal with this important subject. 相似文献
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Richard Denner 《海外英语》2007,(4):14-15
Rosco and I wait for the fishermen to return.I sit at a wooden bench near the store at Mt.Baker Resort and watch the clouds change shape. Rosco has my belt around his neck and an eight foot tow chain hooked to a tree. Dogs must be on a leash. Ducks and rabbits are loose. 相似文献
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Given a graph G,a subgraph C is called a clique of G if C is a complete subgraph of G maximal under inclusion and |C|≥2. A clique-transversal set S of G is a set of vertices of G such that S meets all cliques of G. The clique-transversal number, denoted as TC (G), is the minimum cardinality of a clique-transversal set in G. The clique-graph of G, denoted as K (G), is the graph obtained by taking the cliques of G as vertices, and two vertices are adjacent if and only if the corresponding cliques in G have nonempty intersection. Let F be a class of graphs G such that F={G|K(G) is a tree}. In this paper the graphs in F having independent clique-transversal sets are shown and thus TC (G)/|G|≤1/2 for all G ∈ F. 相似文献
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Sister Carrie is one of the most controversial characters in American literature.Thought as a "fallen woman" firstly,she was defined as a "new woman" by some critics later. However, by digging into the motivaton behind the whole process of Carrie's "success", the relationship between Carrie and her creator (the author), the social conditions of then American, it can be found that Carrie has never been free-standing on her thought and she has never found her real-sdf even after becoming a famous actress. In a society dominated by mass consumerism Carrie is only an adherent of her own desires. She also is a representative of all those country girls flooded into cities, a symbol and a sacrifice of the urbanization of America in a time countryside was overcome by cities. 相似文献