3星以上宾馆、饭店相对湿度的标准范围是:()。
A.20%—45%
B.40%—45%
C.40%—65%
D.20%—65%
参考答案:C
If you’re buying today’s paper from the stand, could you get for me?
A. one
B. such
C. this
D. that
以下哪项是效率衡量方法的范例?()
A.缺勤率;
B.成为制造业领头羊的目标;
C.每天处理的保险索赔案件数;
D.顾客投诉比率。