欲了解窗外遮光物是否影响室内采光()
A.采光系数
B.入射角
C.开角
D.自然照度系数
E.人工照度
参考答案:C
It was()of you not to play the piano while I was having a sleep.
A.considerate
B.careful
C.considering
D.considerable
污水汽提装置设计规模为()万吨/年。
A.80
B.90
C.100
D.110