问题
单项选择题
量电机绝缘电阻应用那种仪表：（）。
A、万用表
B、电压表
C、兆欧表
答案
参考答案：C
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量电机绝缘电阻应用那种仪表：（）。
A、万用表
B、电压表
C、兆欧表
参考答案：C
| 用方框内的词填空。 | |
— No, _____ isn't. ②This is Linda and _____ Jenny. ③— Are these your parents? — No, _____ aren't. ④— Is Guo Peng your brother? — Yes, _____ is. ⑤— Is she your sister? — No, _____ isn't. She is my friend ⑥ _____ are his brothers. ⑦— What are ______ over there? — They're computers. |