问题
填空题
隔离开关和断路器串联时，隔离开头必须（）。
答案
参考答案：先合后分
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隔离开关和断路器串联时，隔离开头必须（）。
参考答案：先合后分
| 将相匹配的语句连起来。 | |
| ( )1. Here you are. ( )2. I like skipping. ( )3. What's this? ( )4. Pass me the rice, please. ( )5. What do you do at seven o'clock? ( )6. What's your favourite song? ( )7. What are they? ( )8. Do you like fish? ( )9. Does Tingting like rice? ( )10. What's the time? | A. I watch TV B. OK. C. Thank you. D. I like skipping, too. E. It's a monkey. F. Yes, I do. G. It's half past five. H. It's the ABC song. I. They are lions. J. No, she doesn't. |