题目内容

次级债券的投资风险由投资者和募集者分担。

A. 正确
B. 错误

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销售、购买民用爆炸物品,应当通过()进行交易

A. 现金
B. 实物
C. 外币
D. 银行账户

深度为5的满二叉树至多有()个结点(根结点为第一层)。

A. 40
B. 31
C. 34
D. 35

门静脉高压症病人术前如何预防食管胃底曲张静脉破裂出血?

A large change in ambient temperature, or using an oil of a viscosity different from the one recommended by the manufacturer in a mechanical hydraulic governor, will result in the need to adjust the ().

A. pilot valve opening
B. compensating needle valve
C. compensating spring tension
D. accumulator spring tensio

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