题目内容：
《中华人民共和国标准化法》规定我国标准分为（ ）级。
A．三级 B．四级
C．五级
D．两级
参考答案：
答案解析：
单选题：《中华人民共和国标准化法》规定我国标准分为（ ）级。
- 题目分类：质量专业基础理论与实务
- 题目类型：单选题
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B．四级
C．五级
D．两级
B．四级
C．五级
D．两级
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