属于违约用电行为的是()。
A.擅自改变用电类别
B.擅自超过合同约定的容量用电
C.绕越用电计量装置用电
D.擅自启用已被供电人查封的电力设备
参考答案:A, B, D
- It’s said that it will be extremely cold this winter.
-- ______, the majority of the experts predict that the temperature will be normal.
A.In other words
B.On the contrary
C.As a result
D.What’s more
油井产油量发生变化时应从哪些方面去分析?