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问题 单项选择题

阀控型起重液压系统在下降情况的执行机构回油油管上设溢流阀的主要作用是（）。

A.防止制动时执行机构回油油压过高

B.防止制动时执行机构进油油压过高

C.防止油马达转速过快

D.调节油泵工作压力稳定

答案

参考答案：A

判断题

审计意见段应说明，财务报表是否在所有重大方面公允反映了被审计单位的财务状况、经营成果和现金流量。( )
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单项选择题

Brian Bellow, a CFA Institute member, is a portfolio manager for Progressive Trust Company. Several friends asked Bellow to review their investment portfolios. On his own time, Bellow examined their portfolios and made several recommendations. He received no monetary compensation from his friends for his investment advice and provided no future investment counsel to them. According to CFA Institute Standards of Professional Conduct, did Bellow violate his duty to Progressive Trust（）

A. No, because Bellow provided no ongoing investment advice.

B. No, because Bellow provided investment advice to his friends.

C. Yes, because he undertook an independent practice that could result in compensation or other benefit to him.
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