The concept of 'green infrastructure' has gained traction in urban planning as a means to mitigate the adverse effects of climate change. Unlike traditional gray infrastructure, which relies on concrete and steel to manage stormwater, green infrastructure utilizes natural processes such as soil absorption and plant transpiration. This approach not only reduces flooding but also improves air quality and provides habitats for urban wildlife. However, its implementation faces challenges, including higher upfront costs and the need for ongoing maintenance. Critics argue that without standardized performance metrics, the effectiveness of green infrastructure remains uncertain, making it difficult for policymakers to justify investments compared to conventional systems. Nevertheless, proponents contend that long-term benefits, such as reduced energy consumption and increased property values, outweigh initial expenses, especially in densely populated cities where space is limited.
❓ Mối quan tâm chính mà các nhà phê bình nêu ra về cơ sở hạ tầng xanh là gì?
A. A. Chi phí duy trì theo thời gian quá đắt đỏ.
B. B. Nó thiếu các phương pháp rõ ràng để đo lường hiệu quả của nó.
C. C. Nó không thể làm giảm lũ lụt ở các khu vực đô thị.
D. D. Nó đòi hỏi quá nhiều không gian ở các thành phố đông đúc.
✅ 正确答案
B. It lacks clear methods to measure its effectiveness.
IELTS Reading Tips
Skim the questions first, underline keywords, then locate in the passage
Watch for paraphrasing; correct answers are often reworded
Be wary of absolute statements (all, always, never) — usually wrong
Pay attention to content after transition words (however, but, yet)
Manage time: about 20 minutes per passage; skip difficult questions first