什么是标准实施评价？
参考答案：
答：用内部审核方法进行。一是检查标准的落实情况；二是评价标准的适宜性、充分性、有效性、可操作性。
—Is that your English book?
—______. [ ]
A. That isn't
B. Yes, that is
C. No, it isn't
D. No, that is
羊毛密度
