某异步电动机运行在第一象限为电动机状态,当采用能耗制动方式时电动机运行在()。
A.第一象限
B.第二象限
C.第三象限
D.第四象限
参考答案:B
国际金融组织通常采用的宏观监控方法是( )。
A.监督检查 B.项目稽察 C.项目审计 D.项目跟踪评价
Even though the producer surplus increases under a monopoly scenario, relative to one of perfect competition, the consumer surplus :()
A. decreases by a lesser amount.
B. decreases by a greater amount.
C. decreases by an equal amount.