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Cars account for half the oil consumed in the U.S., about half the urban pollution and one fourth the greenhouse (温室) gases. The
Cars account for half the oil consumed in the U.S., about half the urban pollution and one fourth the greenhouse (温室) gases. The
admin
2012-02-02
81
问题
Cars account for half the oil consumed in the U.S., about half the urban pollution and one fourth the greenhouse (温室) gases. They take a similar toll (损耗) of resources in other industrial nations and in the cities of the developing world. As vehicle use continues to increase in the coming decade, the U.S. and other countries will have to deal with these issues or else face unacceptable economic, health-related and political costs. It is unlikely that oil prices will remain at their current low level or that other nations will accept a large and growing U.S. contribution to global climatic change.
Policymakers, and industry have four options: reduce vehicle use, increase the efficiency and reduce the emissions of conventional gasoline-powered vehicles, switch to less harmful fuels, or find less polluting driving systems. The last of these—in particular the introduction of vehicles powered by electricity—is ultimately the only sustainable option. The other alternatives are attractive in theory but in practice are either impractical or offer only marginal improvements. For example, reduced vehicle use could solve traffic problems and a host of social and environmental problems, but evidence from around the world suggests that it is very difficult to make people give up their cars to any significant extent. In the U.S., mass-transit ridership and carpooling (合伙用车) have declined since World War II. Even in western Europe, with fuel prices averaging more than $ 1 a liter (about $ 4 a gallon) and with easily accessible mass transit and dense populations, cars still account for 80 percent of all passenger travel.
Improved energy efficiency is also appealing, but alternative fuel economy has barely made any progress in 10 years. Alternative fuels such as natural gas, burned in internal-combustion engines, could be introduced at relatively low cost, but they would lead to only marginal reductions in pollution and greenhouse emissions (especially because oil companies are already spending billions of dollars every year to develop less polluting types of gasoline). (337 words)
From the passage we know that the increased use of cars will______.
选项
A、consume half of the oil produced in the world
B、have serious consequences for the well-being of all nations
C、widen the gap between the developed and developing countries
D、impose an intolerable economic burden on residents of large cities
答案
B
解析
本题属于细节归纳题。通过归纳第一段主题可以得到答案。选项A、C和D均仅涉及问题的某个方面,只有B代表了私人轿车继续增长的真正后果。
转载请注明原文地址:https://kaotiyun.com/show/gRna777K
本试题收录于:
艺术硕士(艺术基础)题库专业硕士分类
0
艺术硕士(艺术基础)
专业硕士
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