Today in our environmental science lecture, we're discussing urban green spaces. A recent study in Melbourne found that parks with native trees reduce local temperatures by up to 4 degrees Celsius during heatwaves. Interestingly, the cooling effect was strongest within 50 meters of the trees, but it diminished rapidly beyond 100 meters. The researchers also noted that grass areas without shade provided negligible cooling. So, while planting more trees is beneficial, their placement is crucial for maximum impact on city microclimates.
❓ 멜버른에서 진행된 연구는 자생 나무의 냉각 효과에 대해 무엇을 밝혀냈는가?
A. A. 나무로부터 50미터 이내에서 가장 강했으며, 100미터 이후에는 급격히 약해졌다.
B. B. 100미터까지의 모든 거리에서 동일하게 효과적이었다.
C. C. 그것은 폭염 조건에서 밤에만 발생했다.
D. D. 잔디 지역에서 나무 캐노피 아래보다 더 두드러졌다.
✅ 正确答案
A. It was strongest within 50 meters of the trees and weakened quickly after 100 meters.