问题 单项选择题

操作系统的功能是

A.将源程序编译成目标程序

B.负责诊断机器的故障

C.控制和管理计算机系统的各种硬件和软件资源的使用

D.负责外设与主机之间的信息交换

答案

参考答案:C

解析: 操作系统是管理控制和监督计算机各种资源协调运行的。

阅读理解

阅读理解

Dear Mom,

     I need some things for school. Can you bring them to my school?  I need a notebook, two pencils, an

eraser and ruler. I need my CDs and video tape, too. The CDs are on the desk and the video tape is in

the bookcase.

Thanks.

                                                                                                                                                      Jim

Dear Jane,

     Your brother needs some things for school. They're in the red bag. He needs his CDs and video tape,

too. The CDs are on the desk. The video tape in the drawer of his bed. It isn't in the bookcase. Please

take them to his schooL

Thanks,

                                                                                                                                                    Mom

1. Jane is Jim's ______.                                                                                                                   

A. cousin                

B. daughter                    

C. sister

2. Jim needs ______.

A. a notebook and a red bag

B. an eraser, a ruler and a bag

C. two pencils and an eraser

3. _________are mentioned(提到) in the notes.              

A. Two boys              

B. A boy and a girl            

C. Two girls

4. ______takes the things to school.

A. Jane                

B. Jim                        

C. Jane's friend

5. The video tape is_______.

A. on the desk          

B. in the bookcase              

C. in the drawer

单项选择题 A1型题