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当前学科:电气运行
题目:
单选
中性点不接地的高压厂用电系统发生单相接地时()。
A . 不允许接地运行,立即停电处理
B . 不允许超过1h
C . 不允许超过2h
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Dear Jone, I am writing to apologize(1)my immediate going home after the exam(2)saying goodbye to you.It was very rude(3)me to do so especially as we have been such good friends. You know, shortly after the exam, I received a telephone call(4)my father, saying that my elder sister had borne a baby the day before.I was so pleased(5)this news that I couldn't wait to get home to see my elder sister and my niece.I left in such a hurry that I didn't have time to tell you.I feel terribly sorry(6)that. To make(7)for my thoughtless behavior toward you, I want to invite you to come and stay(8)my family during the vacation.My hometown is located(9)a city(10)the seashore and this is the most beautiful season of my hometown. I believe you can understand me and accept my sincere apologies.How I wish I could see you soon in my hometown! Please write and let me know your decision.Yours,
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