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Biotechnology is expected to bring important advances in medical diagnosis and therapy, in solving food problems, in energy savi

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问题     Biotechnology is expected to bring important advances in medical diagnosis and therapy, in solving food problems, in energy saving, in environmentally compatible industrial and agricultural production, and in specially targeted environmental protection projects. Genetically altered microorganisms can break down a wide range of pollutants by being used, for example, in bio-filters and wastewater-treatment facilities, and in the clean-up of polluted sites. Genetically modified organisms can also alleviate environmental burdens by reducing the need for pesticides, fertilizers, and medications.
    Sustainability, as a strategic aim, involves optimizing the interactions between nature, society, and the economy, in accordance with ecological criteria. Political leaders and scientists alike face the challenge of recognizing interrelationships and interactions between ecological, economic and social factors and taking account of these factors when seeking solution strategies. To meet this challenge , decision-makers require interdisciplinary approaches and strategies that cut across political lines. Environmental discussions must become more objective, and this includes, especially, debates about the risks of new technologies, which are often ideologically charged. In light of the complex issues involved in sustainable development, we need clearer standards for orienting and assessing our environmental policies.
    Sustainable development can succeed only if all areas of the political sector, of society, and of science accept the concept and work together to implement it. A common basic understanding of environmental ethics is needed to ensure that protection of the natural foundation of life becomes a major consideration in all political and individual action. A dialogue among representatives of all sectors of society is needed if appropriate environmental policies are to be devised and implemented.
It can be inferred from the passage that the complexity of sustainable development______.
选项 A、makes it necessary to improve the assessing standards
B、renders environmental discussion possible
C、charges new technologies with risks
D、requires simplification
答案A
解析 第二段最后一句讲到鉴于可持续发展中涉及的the complex issues，我们需要用更清晰的标准来orienting and assessing our environmental policies。
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