计算机的软件系统可分为（　）

计算机的软件系统可分为（　）A．程序和数据 B．操作系统和语言处理系统 C．程序、数据和文档 D．系统软件和应用软件

分类：行政能力  题型：单选题
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According to the passage, vitamin-deficiency diseases were c

According to the passage, vitamin-deficiency diseases were caused by

分类：行政能力  题型：单选题
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The newly broadened stadium is __________ of the previous on

The newly broadened stadium is __________ of the previous one.

分类：行政能力  题型：单选题
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