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问题 单项选择题

B公司目前正在建筑新厂房，为了转移由此带来的责任风险，B公司应该投保（）。

A.雇主责任保险

B.产品责任保险

C.职业责任保险

D.公众责任保险

答案

参考答案：D

选择题

Not until he called the secretary three times ______ that the manager went to an important meeting. [ ]

A. did he tell

B. he told

C. was he told

D. he was told

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填空题

电网运行应当遵循的原则是：连续、稳定，（）
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