【单选题】识读下面刚架的内力图。CB段的最大弯矩是多少,是左侧受拉还是右侧受拉?
【单选题】Corporate bonds are not as liquid as government bonds because
A.
fewer corporate bonds for any one corporation are traded, making them more costly to sell.
B.
the corporate bond rating must be calculated each time they are traded.
C.
corporate bonds are not callable.
D.
corporate bonds cannot be resold.
【单选题】识读下面刚架的内力图。CD段的轴力是多少,是拉力还是压力?
【单选题】识读下面的刚架内力图。BC段、CD段的轴力分别是
【单选题】Municipal bonds:
A.
are totally risk-free.
B.
generally have higher coupon rates than corporate bonds.
C.
pay interest that is federally tax-free.
E.
are free of default-risk.
【多选题】货币政策工具是指中央银行为了实现货币政策目标所采用的政策手段,下列货币政策工具中,属于选择性政策工具的是( )。
【单选题】Radar-SART的位置数据由____。
D.
由救助船雷达显示器上 12 个亮点位置来测定