价值工程理论认为，凡是能满足使用者需求的任何一种属性都属于功能的范畴。下列物品属性中

Ly is a Treasury Manager with Deeter Holdings, a large consumer products holding company. The Assistant Treasurer has asked Ly to calculate the current yield (CY) and the Yield-to-first Call (YTC) on a bond the company holds that has the following characteristics: 7 years to maturity $ 1000 face value 7.0% semi-annual coupon Priced to yield 9.0 percent Callable at $1060 in two years If Ly calculates correctly, the CY and YTC are approximately: CY YTC（）①A. 7.80% 15.72% ②B. 7.78% 15.72% ③C. 7.80% 15.82%

A. ①

B. ②

C. ③

当指挥人员不能同时看到起重司机和负载时,应站在负载一侧并增设中间指挥人员传递信号。

协同运输是一种不需要消耗能量的运输方式。（）

下列项目中，( )应当按照规定的税率征收增值税。

A．直接用于科学研究、实验和教学的进口仪器、设备

B．销售自己使用过的物品

C．将货物交付其他单位或者个人代销

D．销售代销货物

大理石饰面常用于厅堂馆所、饭店以及高级建筑的外墙装饰上。