与十分位相邻的两个数位是[ ] A．个分位和百分位 B．百分位和千分位 C．个位

使y＝sin x＋ax在R上是增函数的a的取值范围为________．

下列哪些药物在心肌梗死后二级预防中不是（）.

A.β受体阻滞剂

B.调脂药

C.ACEI

D.ARB

E.钙拮抗剂

克服抵制变革的组织发展技术有哪些？

Which of the following statements about the valuation of an option-free bond is most likely correct Other things equal:（）

A. whether the bond’s value will increase or decrease when rates increase depends on whether the bond is selling at a discount, at par, or at a premium.

B. the value of a long-term bond is more sensitive to interest rate changes than the value of a short-term bond.

C. the value of a low-coupon bond is less sensitive to interest rate changes than the value of a high-coupon bond.

诚信是市场经济对企业的（）

A.要求

B.基本要求

C.规定

D.期望