问题 填空题

在通信网中,为了防止当发送的数据接收方不能及时接收造成数据丢失的现象,要进行______。

答案

参考答案:流量控制

解析:

[分析]: 在通信网中,发送方发送数据的能力大于接收方的接收能力时,有可能会造成数据丢失的现象,在运输层应该进行流量控制。

阅读理解

阅读理解。

     If someone asks me, "Do you like music? " I am sure I will answer him or her. "Of course, I do."

Because I think music is an important part of our lives.

     Different people have different ideas about music. For me, I like rock music because it's so exciting.

And my favourite rock band(摇滚乐队), the "Foxy Ladies" is one of the most famous rock bands in

the world. I also like pop music. My classmate Li Lan loves dance music, because she enjoys dancing.

My best friend, Jane, likes jazz music(爵士乐). She thinks jazz is really cool. "I like dance music and

rock very much," says my brother, "because they are amazing." But my mother thinks rock is boring.

"I like some relaxing(轻松的)music." she says, that is why she likes country music(乡村音乐), I think.

1. The writer likes music because he thinks ______.

A. it's an exciting part of our lives      

B. it's an amazing part of our lives

C. it's an important part of our lives    

D. it's an interesting part of our lives

2. What kind of music does the writer like?

A. Jazz and country music.            

B. Rock and dance music.

C. Rock and pop music.              

D. Rock and country music.

3. Who likes dancing?

A. The writer.      

B. Li Lan.      

C. Jane.        

D. The writer's mother.

4. The writer's mother thinks that country music is ______.

A. amazing        

B. boring        

C. relaxing      

D. cool

5. How many people's ideas about music are talked about in this passage?

A. 4.            

B. 5.            

C. 6.          

D. 7.

选择题