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Four recent books deal with the origins of early writing systems, the implications of texts and artifacts on the development of cognitive process and social practice, and the importance of textual artifacts for cultural cohesion and attendant issues of power and identity. This review draws out the interrelation of writing and speech, the conceptualization of literacy as singular and autonomous or multiple and ideological, and where and how to place forms of visual communication within the paradigm of “literacy.”  相似文献   
2.
Recent Australian research has quantified the role of large wood (wood of any origin and length with a diameter greater than 0.1 m) in dissipating stream energy, forming pool habitats by local bed scour, protecting river banks from erosion, and damming rivers with long rafts causing avulsions. Large wood in Australian streams is sourced by a range of processes from the nearby riparian zone which has usually been degraded by post‐European settlement vegetation clearing. Large wood loadings within the bankfull channel are dependent not only on the type and quality of the riparian plant community but also on bankfull specific stream power, channel width, and the processes of large wood delivery to the stream. While bank erosion and floodplain stripping by catastrophic floods are obvious and important delivery mechanisms, treefall and trunk and branch breakage by strong winds during tropical cyclones and severe storms are also significant in the tropics. Furthermore, wood decay and downstream transport produce temporally dynamic large wood distributions. The longevity of natural large wood structures in rivers, such as rafts, debris dams, and log steps, requires determination. River rehabilitation programs need to not only include the reintroduction of large wood, but also carefully plan the spatial distribution of that wood, the most appropriate type and range of large wood structures, and, most importantly, the revegetation of the riparian zone to ensure a natural long‐term source of large wood. Exotic species management is an essential part of river rehabilitation.  相似文献   
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According to a popular view, the past is present here and now. This is presentism combined with endurantism: the past continuously persists through time to the present. By contrast, I argue that memories, memorials, and histories are of entities discontinuous with present experiences, and that the continuity between past and present in them is a construct. Memories, memorials, and histories are semantic means for dealing with the past. My presupposition that past and present are different is supported by grammar: as verbal tenses show, the past is not present here and now, for otherwise it would not be past. A failure to note this difference is a lack of chronesthesia, a sense of time specific to human beings. I argue that presentism fails to account for the temporal structures of memory and the changes in perspective as we switch from the present to a past situation. My account is perdurantist in the sense that it allows for temporal parts of things such as memorials or tombstones, as well as events such as wars or commemorations. But my main goal is to outline a semantic approach to the past: the tie between past and present actions and events is the semantic ground–consequence relation: a past event is the antecedent grounding a present situation, explaining why it is the case. In addition, I show how we refer to the past by means of two rhetorical figures of speech: synecdoche, using the (emblematic‐) part‐whole relation for relating the past to the present by transposing its sense; and anaphor, which has a deictic function—it points back toward the past. In references to the past, the deictic field is a scene visualized by the speaker and addressees: the deictic field is transposed from a perceptual to an imaginary space.  相似文献   
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The May 2005 issue of International Affairs addressed the theme of critical perspectives on Corporate Social Responsibility (CSR) in the developing world. The aim of this article is to take the debate a step further. Five researchers and practitioners on corporate social responsibility and development in various regions in the developing world—Central America, Pakistan, China, Vietnam, Argentina and India—using knowledge gained by their empirical research, argue that the management-oriented perspective on CSR and development is one-sided. While recognizing that critical approaches to the question have emerged, there is still a need to know which issues should form part of a critical research agenda on CSR and development.
In this article the authors seek to fill this gap in order to facilitate a more in-depth investigation of what CSR initiatives can or cannot achieve in relation to improving conditions of workers and communities in the global South. They suggest that a critical research agenda on CSR and development should encompass four areas: a) the relationship between business and poverty reduction; b) the impact of CSR initiatives; c) governance dimensions of CSR; and d) power and participation in CSR. Such an alternative critical approach focuses on society's most vulnerable groups and adopts a 'people-centred' perspective as a counterbalance to the dominant 'business case' perspective. The authors conclude that this has significant implications for CSR practice.  相似文献   
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