假设电能表常数1200imp/kWh,如果该电能表脉冲指示灯闪烁l80次,则对应的电量为()kWh。
A.0.16;
B.0.18;
C.0.15;
D.0.20。
参考答案:C
If the promised yield is equal to the realized yield then:()
A. the coupon payments are reinvested at the promised yield during the life of the issue.
B. current yield is lesser than the yield to maturity.
C. promised yield is greater than current yield.
当关键线路的实际速度比计划进度拖后时,应在尚未完成的关键工种中,选择()的工,压缩其作业持续时间。
A.资源强度小或费用低
B.资源强度小且持续时间短
C.资源强度大或持续时间短
D.资源强度大且费用高