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  3. In the United States, the need to protect plant and animal species has become a highly controversial and sharply political issue

In the United States, the need to protect plant and animal species has become a highly controversial and sharply political issue

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问题     In the United States, the need to protect plant and animal species has become a highly controversial and sharply political issue since the passage of the Endangered Species Act in 1973. The act, designed to protect species’ living areas, and policies that preserve land and forests compete with economic interests. In the 1990’s, for example, the woodcutters in the Western United States were challenged legally in their attempt to cut trees for timber in the Cascade Mountains. The challenge was mounted to protect the endangered spotted owl(猫头鹰), whose remaining population occupies these forests and requires the intact, ancient forest for survival. The problematic situation set the interests of environmentalists against those of corporations and of individuals who stood to lose jobs. After months of debate and legal battles, the fate of the woodcutters--and the owls--was still undecided in mid-1992. Similar tensions exist between the developed and the developing nations. Many people in industrialized nations, for example, believe that developing nations in tropical regions should do more to protect their rainforests and other natural areas. But the developing countries may be impoverished(使穷困), with populations growing so rapidly that using the land is a means to temporarily avoid worsening poverty and starvation.
    Many of the changes to Earth that concern scientists ’have the potential to rob the planet of its biological richness. Global warming, for example, could wipe out species unable to quickly adapt to changing climates. Clearly, protecting Earth’s biological diversity is a complex problem. But solutions to humanity’s current problems will come only through coordinated international efforts to control human population, stabilize the composition of the atmosphere, and preserve intact Earth’s complex web of life.
According to the passage, what truely results in the impoverishment of the developing countries?
选项 A、The rapid growth of population.
B、The presenvation of rainforests.
C、The cutting of rainforests.
D、The conflicts between developed countries and developing countries.
答案A
解析 细节理解题。依据文章第一段最后一句“the developing countries may be impoverished，with population so rapidly that using the land is a means to temporarily avoid worsening poverty and starvation”，可知导致发展中国家贫穷的真正原因在于人口过快的增长，而伐木耕地只是权宜之计。另外由文章第二段最后一句话可知解决人类所面临问题的关键之处在于通过全球协作控制人类自身数量的增长。
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