Today, in our environmental science lecture, we'll discuss the impact of urban farming. One key point is that rooftop gardens can reduce a building's energy consumption by up to 25% because they provide natural insulation. However, the initial cost of setting up such a garden is often high, and maintenance requires regular watering, especially in dry seasons. A study in Chicago found that community gardens also improve local air quality, but they need at least two years to show measurable effects. So, while the benefits are clear, planning and investment are crucial.
❓ 講義によると、屋上庭園の大きな利点は何ですか？
A. A. 断熱性を提供することでエネルギー使用量を削減します。
B. B. 設置後はほとんど水を必要としません。
C. C. それらは直ちに地域の大気質を改善する。
D. D. 初期導入コストが安価である。
✅ 正确答案
A. They reduce energy use by providing insulation.