Today in our environmental science lecture, we're discussing urban green spaces. A recent study in Manchester found that community gardens not only improve air quality but also reduce stress levels among residents. However, the researchers noted a key limitation: the benefits were most significant in neighborhoods with existing social cohesion. In areas lacking community engagement, the gardens had minimal impact on mental well-being. The study suggests that future urban planning should prioritize creating spaces that encourage interaction, rather than simply planting more trees. Professor Davis, who led the research, emphasized that maintenance is another critical factor, as neglected gardens can actually increase local crime rates.
❓ 根据讲座内容,曼彻斯特研究对社区花园有何发现?
A. A) 无论身处何种社区,它们总能减轻压力。
B. B) 当居民之间已经能够良好互动时,它们最为有效。
C. C) 如果不定期维护,它们会提高犯罪率。
D. D) 它们改善空气质量的作用大于对心理健康的影响。
✅ 正确答案
B) They are most effective when residents already interact well.