2. 外语
  3. That an ecological crisis confronts humankind is now so central to our thinking that the notion that human beings adapt to their

That an ecological crisis confronts humankind is now so central to our thinking that the notion that human beings adapt to their

admin2009-02-10  47
问题     That an ecological crisis confronts humankind is now so central to our thinking that the notion that human beings adapt to their natural environment seems obvious. But ecological interpretations of world history are surprisingly recent. Sociologists, in attempting to classify societies, have looked increasingly to a people’ s relationship with their natural environment and, provide food, clothing, and shelter. Human beings meet these needs in a wide variety of environments, including deserts, rain forests, grasslands, and so on. Such environments are part of ecosystem, complex web of interdependencies among organisms, communities of organisms, and the natural habitual. Some societal variation derives from the different demands made by different ecosystems. Customs and ways of life that would be adaptive in one ecosystem would be maladaptive in another.
     We confront a habitat and evolve a mode of existence not so much as lone individuals, but cooperatively as larger social units. Social organization and technology are our chief adaptive mechanisms. Social organization develops as we create stable, ordered relationships and become infused with common cultural traits. Much depends on whether or not our values, norms, beliefs and institutions favor or foreclose new avenues of adaption. Likewise, technology —the application of knowledge for practical ends   allows us to harness and change aspects of our environment. In its broadest sense, technology entails the practical arts and skills of human society. As technology has become more advanced, we have gained access to greater amounts of non human energy (animal, water, fossil fuel, solar, and so on). In turn, new sources of energy have allowed our cultures to expand and change. Other changes follow as well.
The author points out that differences in people’s ways of life come from______.
选项 A、their cultural traditions
B、their adaptions to the environment
C、their demands for natural resources
D、their notions about the environment
答案B
解析 本文旨在探索人类生存方式(mode of existence)的起源。在生存斗争中，人们试图不断地适应和改造自己生存的空间，而人与不同自然环境的关系促成了人类社会的诸多差别，适应于一个社会的生活方式未必适应于另一个社会(主要参考第一段最后两句)。人类都有些基本需要，在满足它们的过程中，不同环境下的社会发展了不同的生活方式。这些方式不断沉淀固定下来，进而成为某个社会发展变化的适应性机制，技术的发展也不例外。主要参考第二段第一，二句。
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