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问题 单项选择题

Intemet使用的协议是

A．25/X.75

B．TCP/IP

C．Token Ring

D．CSMA/CD

答案

参考答案：B

解析： 以太网采用CSMA/CD，互联网采用TCP/IP。

完形填空
完形填空。

     A man is driving home on a cold rainy night. At a bus top, he sees three people waiting for a bus.
The first person is    1    best friend. This friend saved (救) his life years ago. The second one is his
aunt. She's very    2    and needs to go to hospital at once. The third one is the man's girl friend. He
loves her very much. The man wants to help    3    of them, but his car is very small and he can 
   4    only one in the car. Now he has his biggest    5   . Who's the one that he can take?

( )1. A.her   
( )2. A.sick  
( )3. A.one   
( )4. A.bring  
( )5. A.problem		B.his   
B.healthy 
B.two   
B.take   
B.idea 		C.their 
C.strict  
C.all  
C.hold    
C.plan
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单项选择题

王先生为某IT公司开发一套系统软件，一次性取得劳务报酬30000元，王先生就此项所得应纳个人所得税( )元。

A．4800

B．5200

C．5000

D．5600
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