教室课桌面上的采光系数最低值不应低于（）。
A、0.5%
B、1.5%
C、2.5%
D、5%
参考答案：B
I'd like to live in the house there is plenty of sunshine. [ ]
A. to which
B. that
C. where
D. which
圆筒轴瓦有何特点？
