需方参与服务过程，实现隐性知识的传播需要通过专业人员与需方进行大量的互动过程才能完成，体现了IT服务业的（）特征。-问呀课堂

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[单选题]需方参与服务过程，实现隐性知识的传播需要通过专业人员与需方进行大量的互动过程才能完成，体现了IT服务业的（）特征。

A产业内部呈金字塔状分布

B服务过程的交互性

C高知识和高技术含量

D声誉机制

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1. 以下选项中，（）不属于实体联系图。
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3. 采用（）支付，能够最大程度地保护用户的隐私权。
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