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【简答题】
为什么说直流电动机中的感应电动势是反电动势？这个反电动势与发电机中的感应电动势有何不同？你能说出来吗？
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反馈参考答案：
举一反三
【单选题】听力原文：M: What's wrong with your new electric cooker? Let me see if I can fix it. W: Oh, I had the shop replace it with a new one this morning. Q: What did the woman do this morning? (15)
A.
She had the cooker changed.
B.
She bought a new cooker.
C.
She had her cooker repaired.
D.
She returned her new cooker.
【单选题】以下关于公安机关依法对人民代表大会代表采取强制措施的表述错误的是()。
A.
公安机关依法对某县人大代表张某取保候审，应当书面报请该县人民代表大会主席团或者常务委员会许可
B.
李某同时担任甲市、乙县两级人大代表，报请甲市人民代表大会主席团或者常务委员会许可后即可采取强制措施
C.
公安机关对现行犯赵某先行拘留的时候，发现其是某县人大代表，应当立即向该县人民代表大会主席团或者常务委员会报告
D.
公安机关在依法对王某执行逮捕后，发现其是县人大代表，应当立即解除，并报告原决定或者批准机关
【简答题】版图验证项目中必做的验证有 ____ 和 ____ 。
【判断题】A cooker does not mean "a person who cooks",but "an utensil in which food is cooked".
A.
正确
B.
错误
【单选题】听力原文：A: What's wrong with your new electric cooker? Let me see if I can fix it. B: Oh, I had the shop replace it with a new one this morning. What did the woman do this morning?
A.
She had the cooker changed.
B.
She had her cooker repaired.
C.
She bought a new cooker.
D.
She returned her new cooker.
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