一桶油用去了15%,还剩20千克,这桶油一共有多少千克?列式是[ ]
A.20×15%
B.20÷15%
C.20×(1-15%)
D.20÷(1-15%)
答案:D
______________absent from competition for two seasons,Shen Xue and Zhao Hongbo still had
the right feeling on the ice .
A.As long as
B.Even if
C.In case
D.No matter