在通货膨胀率很低的情况下,公司债券的利率可视同为风险收益率。( )
参考答案:错
解析: 通货膨胀率很低的情况下的,公司债券的利率中除资金时间价值外,还包含着风险收益率。
Sue said that she ______ her father half an hour before and she ______ for him. [ ]
A. phoned, was waiting
B. has phoned, will wait
C. had phoned, was waiting
D. would phone, is waiting
磨耗修理中一般使用改变公称尺寸修理法和()。