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【简答题】
直流电动机铭牌上的额定功率是指输出功率还是指输入功率?对发电机和电动机各有什么不同?
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举一反三
【单选题】In which of the following circumstances will an agent's apparent authority arise?
A.
When the principal tells the agent orally what the limit of their authority is
B.
What a third party determines the agent's authority is from what is usual in the circumstances
C.
When, without the principal being aware, anagent tells a third party what their authority is
D.
Where a principal has represented a person to third parties as being their agent, despite not actually appointing the person
【简答题】格塞尔的“双生子爬楼梯试验”充分说明了( )。A. 遗传素质的生理成熟程度制约人的身心发展的过程和阶段 B. 遗传素质的差异性决定人的身心发展个性 C. 遗传素质可随环境的改变而改变 D. 遗传素质提供了人的身心发展的可能性
【简答题】地面油嘴可分为()和()。
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