储蓄国债（电子式）的发行对象为（）。
A、企事业单位和个人
B、企事业单位
C、机关团体
D、个人
参考答案：D
旧书店把出售的书照原标价减低10%，但仍能得8%的利润．问该书店卖出的书原来可以得百分之几的利润？
It’s ___ time that he has failed in the experiment.However, he has made up his mind to try ___ time next week.
A．the first…a second
B．a first.. the second
C．for the first.. second
D．the first..second
