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【多选题】
公共关系策划的原则包括A.
利益性原则
B.
客观性原则
C.
系统性原则
D.
可行性原则
E.
灵活性原则
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知识点：
皮皮学刷刷变学霸
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【单选题】不属于原发性主动转运的物质是:
A.
肌浆网钙泵对钙离子的摄取
B.
各种细胞器膜、细胞膜上的氢泵
C.
钠-钾泵转运钠离子
D.
质子泵转运氢离子
E.
肾小管对葡萄糖的重吸收
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