问题 填空题

计算机网络协议的语法规定了用户数据与控制信息的结构和 【3】

答案

参考答案:格式

解析:[知识点] 网络体系结构的基本概念
[评析] 一个网络协议主要由语法、语义和时序三要素组成,其中计算机网络协议的语法规定了用户数据与控制信息的结构和格式。

阅读理解

20Today it is found that school students hardly pay much attention to sports. Is it because they aren’t interested in sports? No. They often say they have other more important things to do.

What are these important things? Examinations! Students have to spend much time on all kinds of examinations at school. So many of them almost become bookworms (书呆子). Books stop them from doing sports. Because of the pressure from their parents and teachers, the students have to work harder and spend most of their time on books. As for (就……而言) the students, they want to get good results so that they can improve their studies. So it is necessary for them to give all of their free time to their studies and stop their school sports.

In fact, education can’t go without physical (身体的) exercises, because a quick mind hardly goes along with a weak body. If you don’t have a strong body, you can never get anything, let alone (更不用说) a great success in your life.

小题1:       are the greatest problems, so the school students don’t pay much attention to sports now.

A.No interest

B.Exercises

C.Education

D.Examinations小题2:The underlined word “pressure” means “        ”.

A.happy feeling

B.good care

C.nervous feeling

D.deep love小题3:If you don’t have a         , you can never get anything.

A.good face

B.weak body

C.strong body

D.good father小题4:The writer thinks the students should          .

A.work hard all day and all night

B.have all kinds of sports after studying

C.do not have sports

D.spend the free time on the studies and give up the sports.小题5:which sentence is true?

A.If sudents want to get better results in studies, they must not do sports.

B.If students spend all their time on sports, they will improve studies.

C.If you have a weak body, you will have a hard mind.

D.If you want to be successful in your life, you must have a strong body.

单项选择题