变压器交接试验验收阶段,绕组连同套管的绝缘电阻值不低于产品出厂试验值的70%或不低于()MΩ(20℃)。
A.10
B.100
C.1000
D.10000
参考答案:D
根据韦纳的成败归因理论,把成败的责任归因于任务难度,这属于()。
A.稳定的可控归因
B.不稳定的外在归因
C.稳定的外在归因
D.不稳定的内在归因
— Have you heard that Susan has been elected mayor of the city?
— After working so hard for so many years, ____.
A.she surely welcomes it
B.she has certainly earned it
C.she is welcome to it
D.it’s good news