问题
单项选择题
在（）kV及以上电压等级的运行区域作业时，应采取防静电感应措施。
A.110
B.220
C.330
D.500
答案
参考答案：C
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在（）kV及以上电压等级的运行区域作业时，应采取防静电感应措施。
A.110
B.220
C.330
D.500
参考答案：C
| 请选用方框里的疑问词将下列句子补充完整。 | |
2. ____________ kites can you see? Eleven. 3. ____________ is that man? He's my uncle. 4. ____________ do you live? I'm live in Canada. 5. ____________ are you doing? I'm listening to music. 6. ____________ is your sister? She is four. 7.____________ are you going? Tomorrow. |