试题与答案

()是标定硫代硫酸钠标准溶液较为常用的基准物质A、升华碘 B、KIO3 C、K2Cr

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题型：单项选择题

题目：

()是标定硫代硫酸钠标准溶液较为常用的基准物质

A、升华碘

B、KIO3

C、K2Cr2O7

D、K2BrO3

答案：

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参考答案：A解析： 《招标投标法》第13条规定，招标代理机构是依法设立、从事招标代理业务并提供相关服务的社会中介组织。作为社会中介组织，招标代理机构与行政机关和其他国家机关不得存在隶属关系或其他利益关...

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