Part Two 題組：       What is a green building? A green building is eco-friendly. It is built with recycled materials and can save energy and water.        Beitou Public Library is an example of a green building. It was opened in 2006, and it is the first green library in Taiwan. Beitou Public Library is a wooden building with a lot of windows that bring in natural light and fresh air, so the library is usually bright and cool. It also has a big balcony to keep the sun away. Besides, it recycles rainfall for the use of flushing toilets and cleaning. It helps save a lot of water. What’s more, its solar roof can produce 20% of the energy needed for the library during a summer day.        Beitou Public Library is a wonderful place to visit. It also sets a good example for the buildings to be built in the future. 

recycle重複使用 ； material材料 ； energy能源 ； flush沖洗 ； wooden木製的 ；solar 太陽能的 ； roof屋頂
【題組】29. Why is it usually bright and cool inside Beitou Public Library?
(A) Because it recycles rainfall to clean and cool down the walls.
(B) Because it has a solar roof.
(C) Because there are a lot of lights and fans inside the library.
(D) Because it has a lot of windows.