由用户自行运行、维护、管理的供电设施故障引起其他用户停电时，属外部故障停电。在统计停电户数时，不计该故障用户。
参考答案：错
看图，读短文，在空格处填入正确的单词。
I am a big 1 . I'm from 2 ; now I'm in the US. I am four years 3 . My 4 is black and white.
Bamboo(何子) is 5 favorite food. I’m very shy.
I am a 6 . I'm 7 Africa, I like meat very much. People think I am 8 because I sleep and relax
20 hours every day. Many people think I'm scary.
哪种疾病可完全由超声检查发现()
A．肝肿瘤
B．肝脓肿
C．胆管梗阻
D．肝转移
E．肝炎
