一袋糖有10小包,其中9小包质量相同,1小包轻一些,如果用天平称,至少( )次能找出这包糖。
2
There is a great deal of evidence ____ that music activities engage different parts of the brain. [ ]
A. indicate
B. indicating
C. to indicate
D. to be indicating
有一债券面值为1000元,票面利率为5%,每半年支付一次利息,5年期。假设必要报酬率为6%,则发行4个月后该债券的价值为( )元。已知:(P/F,3%,10)=0.7441,(P/F,6%,5)=0.7473,(P/A,6%,5)=4.2124,(P/A,3%,10)=8.5302
A.957.36
B.976.41
C.973.25
D.1016.60