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One proposal for preserving rain forests is to promote the adoption of new agricultural technologies, such as improved plant varieties and use of chemical herbicides, which would increase productivity and slow deforestation by reducing demand for new cropland. Studies have shown that farmers in developing countries who have achieved certain levels of education, wealth, and security of land tenure are more likely to adopt such technologies. But these studies have focused on villages with limited land that are tied to a market economy rather than on the relatively isolated, self‐ sufficient communities with ample land characteristic of rain-forest regions. A recent study of the Tawahka people of the Honduran rain forest found that farmers with some formal education were more likely to adopt improved plant varieties but less likely to use chemical herbicides and that those who spoke Spanish (the language of the market economy) were more likely to adopt both technologies. Nonland wealth was also associated with more adoption of both technologies, but availability of uncultivated land reduced the incentive to employ the productivity‐enhancing technologies. Researchers also measured land-tenure security: in Tawahka society, kinship ties are a more important indicator of this than are legal property rights, so researchers measured it by a household’s duration of residence in its village. They found that longer residence correlated with more adoption of improved plant varieties but less adoption of chemical herbicides.

The passage suggests that in the study mentioned in highlight the method for gathering information about security of land tenure reflects which of the following pairs of assumptions about Tawahka society?


正确答案: A

参考解析

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    文章大意逻辑
    文章开篇提出保护雨林的一个提议:推广新农业技术以提高生产力,减缓毁林速度。接着说明已有研究表明发展中国家具备一定教育、财富和土地保有权保障的农民更易采用新技术,且这些研究聚焦于特定村庄。然后以对洪都拉斯雨林中Tawahka人的研究为例,阐述了农民采用新技术的情况受多种因素影响,如教育程度、语言(是否说西班牙语)、非土地财富,还提及土地保有权保障的衡量方式(亲属关系和居住时长)以及与采用新技术的关联。 文章类型及逻辑简图
    文章类型:总分结构。 逻辑简图: Proposal for preserving rain forests: promote new agricultural technologies to slow deforestation. Studies: Farmers with certain conditions more likely to adopt new technologies. Tawahka people study: Various factors affecting farmers' adoption of new technologies and land tenure security measurement. 做题方法及问题类型
    问题类型为推断题,做题方法是根据文章中关于Tawahka社会研究中对土地保有权保障衡量方法的相关描述进行推断。定位提示句子为“A recent study of the Tawahka people of the Honduran rain forest... Researchers also measured land tenure security: in Tawahka society, kinship ties are a more important indicator of this than are legal property rights, so researchers measured it by a household’s duration of residence in its village.” 选项分析
    A选项:文中提到在Tawahka社会,亲属关系是土地保有权保障的重要指标,居住时长也与土地保有权保障相关,该选项符合文章推断,当选。 B选项:文中未提及土地的充足供应使土地保有权保障不重要以及对合法财产权概念的影响,排除。 C选项:文中未对亲属关系强度和非土地财富作为接受新技术指标的可靠性进行比较,排除。 D选项:文中只是分别阐述了亲属关系和居住时长与采用不同技术的关联,未进行这种因果关联的对比,排除。

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