某投资项目,计算期5年,每年年末等额回收120万元,在利率为8%时,开始需一次投资()万元
A.256.24
B.315.65
C.479.13
D.541.26
参考答案:C
— Do you suppose you could do it without help, Jack?
— ______.This is not the first time for me. [ ]
A. Not likely.
B. Not exactly
C. Don't worry.
D. I'm afraid not.
如何理解理论联系实际原则应如何在教学中贯彻这一原则