工伤职工经评残并确认需要护理的，应当（）发给护理费
A.按工龄
B.按年龄
C.按月
D.按年
参考答案：C
教育工作的核心及主题是( )
A．坚持教育的公益性 B．全面实施素质教育C．立德树人 D．坚持教育的社会主义性质
Which of the following statements about duration is TRUE（）
A. The result of the formula for effective duration is for a 0.01% change in interest rates.
B. A bond’s percentage change in price and dollar change in price are both tied to the underlying price volatility.
C. The formula for effective duration is: (price when yields fall - price when yields rise)/(initial price × change in yield expressed as a decimal).
