原题
Noise Control in Urban Areas
Urban areas across the globe are grappling with the challenge of noise pollution. This type of pollution can severely impact health, leading to sleep disturbances and cardiovascular problems. It has many causes.
Innovative solutions to control noise pollution, from traffic or other sources, are emerging. One such solution is green walls, vertical gardens installed on building facades. Green walls can absorb, reflect, or deflect sound waves, reducing the noise that enters a building. Additionally, they offer benefits like air purification and temperature regulation—thus not only improving the outdoor environment around buildings but also enhancing indoor air quality and helping regulate interior temperatures by acting as natural insulation.
Another approach involves quiet zones. These zones are designated areas where noisy activities are restricted, often including parks, residential neighborhoods, and hospital areas. By reducing noise levels in these zones, cities create pockets of tranquility. Some European cities have seen a decrease in stress-related health issues among residents in quiet zones.
Advancements in technology have also led to the creation of noise-canceling materials. Such materials are often used in buildings or road surfaces. They work by actively reducing sound vibrations. Urban planners can use these materials to design acoustic panels and noise barriers, strategically placing these structures to combat the noise problem.
What can be inferred about noise pollution in the European cities mentioned in the passage?
AIt was likely a factor in causing stress-related health issues among residents.
BIt has not been as effectively managed there as it has been in other places.
CIt has been controlled most successfully by adding green walls to buildings.
DIt has been funded primarily through the efforts of urban planners.
正确答案：A
解题思路
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