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This paper describes the French initiative in materials research against both a national and an international background, in an attempt to disentangle the local circumstances, which prompted this governmental initiative, and to characterize the specific profile of materials research in France. In presenting a biography of the interdisciplinary program in materials research (PIRMAT), we argue that: i) the PIRMAT denotes a failure of the French science policy in materials research; ii) the leadership of the CNRS led to a specific style of research, quite different from the engineering approach of Materials Science and Engineering, and characteristic of a French style in materials research.  相似文献   
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Sports gambling is a well-established practice in Israel, whose beginnings can be traced to 1951. In recent years, the activities of the Israel Sports Betting Board (ISBB), also known as the ‘Toto Commission’, have become extremely popular with the public at large, and especially with sports fans. The study examines the changing advertising messages and creative appeals featured in the ISBB’s various advertising campaigns throughout Israeli history, and specifically the broad social meanings that can be inferred from these campaigns. The findings illustrate how significant structures of meaning in advertising function as reflections of the state of sports and society in Israel and as representations of some of the most salient phenomena in these domains. For example, for many years advertisements have been dominated by male presence, reflected primarily in the featured characters and language representations. Also prominent are representations of militarism as well as global biases, which are illustrated by the use of English in the local Israeli gambling brand name (‘Winner’), for example.  相似文献   
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Learning about emotions is an important part of children's social and communicative development. How does children's emotion-related vocabulary emerge over development? How may emotion-related information in caregiver input support learning of emotion labels and other emotion-related words? This investigation examined language production and input among English-speaking toddlers (16–30 months) using two datasets: Wordbank (N = 5520; 36% female, 38% male, and 26% unknown gender; 1% Asian, 4% Black, 2% Hispanic, 40% White, 2% others, and 50% unknown ethnicity; collected in North America; dates of data collection unknown) and Child Language Data Exchange System (N = 587; 46% female, 44% male, 9% unknown gender, all unknown ethnicity; collected in North America and the UK; data collection dates, were available between 1962 and 2009). First, we show that toddlers develop the vocabulary to express increasingly wide ranges of emotional information during the first 2 years of life. Computational measures of word valence showed that emotion labels are embedded in a rich network of words with related valence. Second, we show that caregivers leverage these semantic connections in ways that may scaffold children's learning of emotion and mental state labels. This research suggests that young children use the dynamics of language input to construct emotion word meanings, and provides new techniques for defining the quality of infant-directed speech.  相似文献   
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An important question which is often overlooked addresses the nature and quantity of higher‐order thinking activities when teachers are not explicitly ‘teaching for thinking’ but rather acting and behaving routinely. This study investigates the scope and nature of tasks demanding students’ application of higher‐order thinking skills while studying biology in junior and senior high schools in Israel. The method used is the collection and analysis of questions asked by teachers during classroom discourse, in homework assignments and in tests. The main findings show: (a) that the frequency of higher‐order thinking questions in biology class discourse in Israel is approximately 20%; (b) that the cognitive level of teachers’ questioning in HS is higher than in JHS; (c) that the matriculation exam has a strong influence on tests given by teachers; and (d) that while inquiry questions permeated HS testing they are less salient in HS class discourse, indicating the need for remedial treatment which should include the integration of more inquiry‐oriented pedagogies into classroom practice.  相似文献   
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2008年5月12日发生在中国的汶川毁灭性地震,造成整个四川省超过6万人遇难,500万人无家可归,而灾后的重建工作将需要很长时间。虽然当前救援组织和当地政府已经紧急修建了临时住房并提供饮用水,但同样重要的是我们应该开始考虑在救援人员离开后,国际社会应该如何有效在而合适地发挥长久的作用。  相似文献   
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