问题
多项选择题
线路缺陷一般可分为（）。
A.临时缺陷
B.重大缺陷
C.紧急缺陷
D.一般缺陷
答案
参考答案：B, C, D
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线路缺陷一般可分为（）。
A.临时缺陷
B.重大缺陷
C.紧急缺陷
D.一般缺陷
参考答案：B, C, D
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| This is our classroom. It's not big, but it's very nice. The walls are 1 and the desks and chairs are new. On one of the walls, there is a 2 and we can find Beijing, Shanghai and Hangzhou on it. There are some 3 on the teacher's desk. They are for our 4 , Miss Gao. She is a good teacher and we all like her. I'm on 5 today. I come to school early. I help my teacher 6 her books and pictures on her 7 . I tell her everyone is here. But I'm 8 , Liu Mei is not at 9 . I don't know 10 she is. But I think she's at home. | ||||
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