6KV小车开关()应测量开关的断口、相间、对地绝缘电阻。
A、有明显受潮或绝缘怀疑时;
B、新安装或检修后;
C、故障后;
D、每次送电前。
参考答案:A, B, C, D
从A—F中选出正确答案,有一项是多余。
A. What about lunch?
B. Does she have dessert?
C. Do you know Sandra Clark?
D. Sorry, I don’t know.
E. She eats lots of healthy food.
F. She often has chicken, tomatoes, French fries and soup(汤).
A: 小题1:
B:You mean(指)the running star?
A: Yes. The running star Sandra.
B: Yes. I know a lot about her. 小题2:
A: Oh? What does she have for breakfast?
B: She likes eggs, bananas and apples.
A: 小题3: B: She likes hamburgers, salad and oranges for lunch.
A: And dinner? B: 小题4:
A: 小题5:
B: Yes, she eats ice cream.
世博会的英文名称是WorldExpo.