我国对外政策的根本原则是( )

我国对外政策的根本原则是( )选择一项:a.独立自主b.睦邻友好c.改革开放d.坚持原则

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I have been very lucky to have had ______ managers

I have been very lucky to have had ______ managers during my career so far.选择一项:

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下列各项中,属于工业企业成本项目的有( )。

下列各项中,属于工业企业成本项目的有( )。选择一项或多项:A.废品损失B.燃料及动力C.外购材料D.直接材料E.直接工资

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