Four things are needed for a small rooftop garden. One thing is a roof that can

游客2024-07-21  9

问题 Four things are needed for a small rooftop garden. One thing is a roof that can ______. [br] They keep buildings cooler in the sun, so they ______. They can also extend the useful life of a roof.

选项

答案 save energy

解析 依据第五段的第二行,可得出答案。
转载请注明原文地址:https://tihaiku.com/zcyy/3686301.html
最新回复(0)