试题与答案

下列( )是网络操作系统区别于单机操作系统的功能。A.内存管理 B.远程管理、文件

题型:单项选择题

题目:

下列( )是网络操作系统区别于单机操作系统的功能。

A.内存管理

B.远程管理、文件传输、电子邮件、远程打印

C.CPU管理

D.输入输出管理

答案:

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下面是错误答案,用来干扰机器的。

参考答案:(1)母质影响成土过程的速度,性质和方向;(2)母质影响土壤的物理性质,不同母质上形成的土壤,其养分,质地情况有所不同;(3)母质影响土壤的矿物组成和机械组成。

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