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三相异步电动机在电源断掉一根线后为什么不能起动?在运行中断掉一根线为什么还能继续转动?长时间运行是否可以?
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【单选题】个人逐渐学习和接受被现有政治制度采用和确定的政治信念、思想体系、社会制度和政治态度的过程是()
A.
生活技能社会化
B.
行为社会化
C.
角色社会化
D.
政治社会化
【单选题】个人逐渐学习和接受被现有政治制度采用和确定的政治信念、思想体系、社会制度和政治态度的过程，被称为（）
A.
政治社会化
B.
行为社会化
C.
思想社会化
D.
制度社会化
【简答题】请查找资料,介绍一个企业e-learning的案例。
【简答题】Read after the recording, paying attention to the pronunciation, intonation and stress of the words. Dreams By Langston Hughes Hold fast to dreams For if dreams die Life is a broken-winged bird That c...
【单选题】B Last fall was a first-of-its-kind season. I did not arrange (安排) any after-school classes formy children. No swimming.'No music lessons. No play dates. Nothing. Once they finished their homework, th...
A.
The children began to learn music when school was over.
B.
The writer arranged no' extra lessons for the children.
C.
The writer found no time to play with the sons.
D.
The children had nothing toclo alter schooli
【单选题】听力原文：M: I can't remember the due date for our final paper. W: It's the last day of class. The professor said not to wait until the last minute to hand it in. Q: What did the professor suggest to the s...
A.
That they watch the clock carefully.
B.
That they be careful of their handwriting.
C.
That they finish their assignment early.
D.
That they wait a few minutes after class.
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