哪一个不是基本的操作系统A．批处理操作系统 B．分时操作系统 _爱下问搜题

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问题单项选择题

哪一个不是基本的操作系统

A．批处理操作系统

B．分时操作系统

C．实时操作系统

D．网络操作系统

答案

参考答案：D

解析：计算机网络是通过通信设施将地理上分散的计算机系统互连起来，实现信息交换、资源共享、互操作的系统。网络操作系统就是在原来各自计算机基本的操作系统之上，按照网络体系结构的各个协议标准开发的软件，包括网络管理、资源共享、通信、系统安全和多种网络服务等。

完形填空

My name is Penny. I started being a    in a group called Kinds Camp in 1995. There were many      kids in the camp. At that time. I was a street kid. I didn’t know what to do    one of the workers asked if I wanted to help in the camp. I really didn’t know what to expect but I    .
The first day was     for me. I thought the kids might not like     and I was afraid to talk with them. But to my surprise, they were very     and smiled(微笑) at me. By the end of that day, I found I      working there. The kids didn’t      if I wore old clothes or I couldn’t read well. They     me for me the person not who my family were or how much money I had.
Volunteering to help the disabled kids not only helped them but it     helped me. It saved me from a road that might turn in the wrong direction. It       me understand that no matter how bad your     is there will always be someone else that has it much worse than you do. It gave me hope and made me find my place in the world. For that       them greatly.
Thank Kinds Camp for      me a chance(机会) to volunteer. I will keep on volunteering.

判断题

调味酸牛乳主要是指牛乳或复原乳在酸牛乳加工过程中添加了食糖、调味剂等辅料的产品。