饮水氯化副产物主要有()
A.氯化汞
B.氯仿
C.氯化钙
D.氯化镁
E.次氯酸
参考答案:B
Which of the following home regimens should the nurse suggest to relieve itching in children with chicken pox
A. Generous amounts of fine baby powder.B. Oatmeal preparation baths.C. Terrycloth towels moistened with hydrogen peroxide.D. Cool compresses moistened with a weak salt solution.
施工阶段的质量控制可分为()环节。
A.施工计划控制
B.施工准备控制
C.施工整过程控制
D.施工过程控制
E.竣工验收控制