根据养老保险的责任承担机制，可将养老保险划分为（）等模式。A．政府负责型 B．责任分

Which of the following statements regarding regulations governing the short-sale process is FALSE （）

A. The short seller must pay a margin equivalent to the prevailing margin requirement when the transaction is made.

B. If dividends are paid on the stock during the short-sale transaction, the short seller must pay dividends to the investor that loaned the stock.

C. The short-sale process must be completed within a 90-day period.

项目特定的HSSE隐患的识别应该在项目以下阶段进行。（）

A、项目踏勘

B、项目计划

C、动迁

D、以上所有

不知道所测溶液的电导率多大范围，如何处理？

在封建社会里，不属于主体税种的是（）。

A、土地税

B、增值税

C、消费税

D、营业税

购买力平价和利率平价理论(theory of purchasing power parity & theory of interest-rate parity)