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问题 单项选择题

系统进行资源分配和调度的独立单位是

A．进程

B．线程

C．中断程序

D．用户程序

答案

参考答案：A

解析：【命题目的】本题主要考查了进程的基本概念。【解题要点】进程观点把操作系统看作由若干个可以同时独立运行的程序和一个对这些程序进行协调的核心所组成，这些同时运行的程序称为进程。系统进行资源分配和调度的独立单位。【考点链接】掌握线程的基本概念。

阅读理解

阅读理解.

      Once every four years,men from all over Greece came to join in a great athletic festival in Elis,in western Greece. This was called the Olympic Games because the place was called Olympia. We don't know when men first began ce]ebrating the Olympic Games, but they had certainly already done it in the time of' Homer,by 776 BC. The games were so regular(有规律的) that people used them to date by. They would say,"I was born in the second year of the twenty-fourth Olympiad ( starting from776 BC). "

     When it was time for the games, the rulers (统治者) of Elis sent the massage all over Greece. They declared a truce(宣布休战) throughout the Greek world for a month. No matter whom they had a war with,they had to stop the war and let their players go through their city state safely to get to the Olympic Games. Each city state paid for a few players from their city to travel to Elis. But the player had to promise that they had already practiced for at least ten months.

1. The underlined word "athletic" is related to         .

A. music    

B. time      

C. places    

D. sports

2. Elis is in the        of' Greece.

A. east      

B. south      

C. west      

D. north

3. The twenty-fourth Olympics must be held in           .

A. 680 BC          

B. 684 BC

C. 688 BC            

D. 692 BC

4. How long should the truce last because of the Olympic Games?

A. A day.    

B. A week.    

C. A month.  

D. A year.
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选择题

以下言行中，能体现公民自觉履行法定义务的是 [ ]

A．“又该缴税了。”“嗯，让我想想怎样少缴点税。”

B．“我要认真学习，将来报效祖国”

C．“听说你母亲病了？”“这与我无关，我是领养的。”

D．“你为什么不上学？”“我成绩不好，不想念了，反正老师说把初中毕业证书给我。”
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