下列关于操作系统的主要功能的描述中，不正确的是（)。 （A) 处理器管理 （B) 作业管理 （C) 文件管理 （D)

The primary motivation for creating a collateralized mortgage obligation (CMO) isbest described as the desire to redistribute which risk of investment in residential mortgages:

A. interest rate risk.

B. default risk.

C. prepayment risk.

A．Default risk.

B．Liquidity risk.

C．Prepayment risk.

A moral obligation bond is also known as:

A. a general obligation debt.

B. a prerefunded bond.

C. an appropriation-backed obligation.

A、Is always of a specific amount.

B、Is a potential obligation that depends on a future event arising from a past transaction or event.

C、Is an obligation not requiring future payment.

D、Is an obligation arising from the purchase of goods or services on credit.

E、Is an obligation arising from a future event.

It is our obligation ___ a world leader.

A、as

B、like

[A] business

[B] estate

[C] obligation

[D] property