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问题 多项选择题

纳税人在办理报验登记时并提交下列（）等证件、资料。

A.税务登记证

B.税务登记证件副本

C.《外出经营活动税收管理证明》

D.发票领购簿

答案

参考答案：B, C

单项选择题

预防成本包括（）。

A.质量工作费

B.进料检验费

C.事故分析处理费

D.质量过剩支出
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单项选择题

According to the "invisible hand" principle, which of the following statements is least accurate（）

A. Competitive markets produce an optimal basket of goods and services.

B. Efficient allocation of productive resources occurs through competition.

C. The authority of the state, although not seen, must always be present in the market.
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