问题 单项选择题

网卡实现的主要功能是

A.物理层与网络层的功能

B.网络层与应用层的功能

C.物理层与数据链路层的功能

D.网络层与表示层的功能

答案

参考答案:C

解析:网卡是最常用的插卡之一,主要功能是实现与主机总线的通信连接,解释并执行主机的控制命令;实现数据链路层的功能;实现物理层的功能。

阅读理解
Classified Advertisements
If you need our service, please call 5161982.
 For Rent
Excellent Room for girls.  Single,  $115 a month. Double,  $180 a month.  Call
5160594.
Family Home, 3 bedrooms, large yard. Call 3125766.
Youth Paradise, room for boys, $100 per person. Call 8830553.
                                 For Sale
Coat for man, size 42, 1 year old, $85. After 6pm, Call 2125978
Color TV, size 21, $150; Mp3 player, $45; Recorder, $25. Call 6963749
Help Wanted    
If you can find a few hours during the day to look after 2 school age children,please call 3133694.   
A magazine needs a reporter.He or she should be good at writing in Chinese.
Experience needed.Call 5201314。
Lost
A yellow bag with a mobile phone and some books was left behind the library.Wiil the finder come to Class l,Grade 3?  
Found
A black jacket was found on the playground yesterday afternoon(June,21st).Will the owner please ring 3655488?   
 
小题1:If you want to make an advertisement, which number will you call?
A.5160594.B.365588.
C.5161982.D.313369.
小题2:Mary wants a room for herself, which room should she choose?
A.Family Home.B.Double.
C.Single.D.Youth Paradise.
小题3:The title "Classified Advertisements" probably means_________.
A.advertisements only for students to read
B.advertisements giving us useful information
C.advertisements that are very important
D.advertisements divided into different groups
小题4: If you want to find a part-time job, you will read_________.
A.Help WantedB.For Sale
C.For RentD.Lost
小题5:If a person has $115, he can buy_________.
A.TV and recorderB.coat and recorder
C.coat and mp3 playerD.TV and mp3 player
单项选择题