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【单选题】
在三相四线制中性点接地供电系统中,线电压是指A.
之间的电压
B.
中性线对地之间的电压
C.
对零线之间的电压
D.
中线对零线之间的电压
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【简答题】听下面一段对话，回答第1-3题。 1. What are the two speakers? A. They are teachers. B.They are students. C.They are visitors. 2. What do you learn about thr new student? A. He doesn’t speak much Chinese. B. He has d...
【简答题】阅读理解。 Lily and Lucy are twins (双胞胎). They are English girls. They are students. They are in Chongqing with their parents. Lily is in Class One, Grade Seven. Lucy is in Class two,. Grade Seven. Li...
【简答题】根据短文内容完成下列句子，每空一词。 Mike and Peter are good friends. They are students. They go to school five days a week. Mike’s birthday is in the elh month of a year. Peter’s birthday is October 1st. That’s N...
【简答题】阅读理解。 It is a fine Sunday morning. There are a lot of children near the river. They are students of Grade One of No. 15 Middle School. There are two teachers with them. All of the students are Young P...
【简答题】They are students of our school.英译汉
【简答题】A．They are grateful students. B．They are 'brains'. C．They are hard-working students. D．They are fun people.
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