非彩色所具有的属性为（）
A.色相
B.饱和度
C.明度
D.纯度
参考答案：C
_,I'd like to say how much I have enjoyed staying in your comfortable room. [ ]
A. To conclude
B. To include
C. In the conclusion
D. As conclusion
i5T3.5智能车床床身最大回转直径和滑板最大回转直径分别是多少？
