皮皮学，免费搜题
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【单选题】
网络操作系统的基本功能不包含?A.
计费功能
B.
设备管理
C.
文件管理
D.
存储器功能
拍照语音搜题，微信中搜索"皮皮学"使用
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参考解析：
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皮皮学刷刷变学霸
举一反三
【单选题】听力原文：W：I don't know how you can eat so much yet never put on any weight, son. Your father's got the same luck. I can't take a bite without calculating how many calories I am taking in. M：But remember ...
A.
The son.
B.
The father.
C.
The mother.
D.
Aunt Louise.
【简答题】阅读理解。 I love it at night. It's peaceful. And when it cools down I sometimes do some ironing. I don't really care for it. I work full-time and I am too busy for most housework. I remember the old woman...
【单选题】以下关于鼻饲法描述不正确的是
A.
安置卧位：半坐卧位或坐位
B.
鼻饲液温度：38～40℃
C.
成人插入胃管长度：45～55cm
D.
每次鼻饲量不超过200ml
E.
鼻饲间隔时间不超过2小时
【单选题】以下描述不正确的是( )
A.
在传输介质中双绞线的抗电磁干扰最差
B.
同轴电缆分为５０欧姆和７５欧姆两种
C.
激光不属于无线传输介质
D.
集线器是用于双绞线的联接
【单选题】听力原文：W: I don't know you can eat so much yet never put on any weight, son. Your father's got the same luck. I can't take a bite without calculating how many calories I am taking. M: But remember Aunt ...
A.
The son.
B.
The father.
C.
The mother.
D.
Aunt Louise.
【多选题】下列关于地址映射的叙述中，哪些是正确的？
A.
地址映射过程通常是由硬件完成的
B.
地址映射过程中一定要访问页目录和页表
C.
地址映射是将虚拟地址转换成物理地址
D.
页表项的一些内容是硬件确定的
E.
根据页表项的有效位确定所需访问的页面是否已经在内存
【单选题】听力原文：W: I don't know how you can eat so much yet never put on any weight, son. Your father's got the same luck. I can't take a bite without calculating how many calories I'm taking. M: But remember Au...
A.
The son.
B.
The father.
C.
The mother.
D.
Aunt Louise.
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