债券价格是债券现金流的现值,债券价格的变化与债券收益率的变化()
A.无关
B.方向相同
C.方向相反
D.比例相同
参考答案:C
When I wanted to buy a computer, I saved as much as I could, and my mother the rest of the money.
A.kept up
B.held up
C.tool up
D.made up
ZD6系列电动转辙机自动开闭器各接点片压力均匀,接触压力不小于()。
A.0.49N
B.0.98N
C.0.4N
D.9.8N