ARP 协议的作用是(60),ARP 报文封装在(61)中传送。60() A.由IP

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问题:

ARP 协议的作用是(60),ARP 报文封装在(61)中传送。

60()

A.由IP 地址查找对应的MAC 地址

B.由MAC 地址查找对应的IP 地址

C.由IP 地址查找对应的端口号

D.由MAC 地址查找对应的端口号

考点:计算机软件水平考试中级网络工程师计算机水平考试中级网络工程师2006年下半年上午真题
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任务型阅读。回答问题。

    Some things can carry messages, for example, a sign at the bus stop helps you to know which bus to

  take.Signs on the door tell you where to go in or out.Have you ever noticed that there are a lot of

 signs around you and that you receive messages from them all the time?

     People can communicate on many other ways.An artist can use his drawing to tell about beautiful

 mountains, about the blue sea and many other things.Books are written to tell you about all the

 wonderful things in the world and also about people and their ideas.

     Books, magazines, TVs, radios and films all help us lo communicate with others.They all help us to

 know what is going on in the world and what other people are thinking about.

1.What call help you if you want to know which bus to take?

       ___________________________________________

2.What do the signs on the door do?

       _________________________________________

3.People can communicate in many other ways, can't they?

      _________________________________________

4.What can help us to communicate with others?

       ______________________________________

5.What do they help us to do?

      ________________________________________

题型:单项选择题

高尔基说:“书籍是人类进步的阶梯”。初中阶段你读了不少文学名著吧?请你从下列名著中任选一部,谈谈阅读这部小说感受最深刻的一点,并简要介绍你印象最深的一个情节。(4分)

《钢铁是怎样炼成的》《格列佛游记》《安徒生童话》

名著:《                   》

①感受:                                                                    

②情节:                                                                   

题型:单项选择题

向心性肥胖是由于下列哪一种激素分泌过多所致()

A.生长素

B.胰岛素

C.糖皮质激素

D.盐皮质激素

E.甲状腺激素

题型:单项选择题

对于BC催化剂,第一反应器的温度设定点比第二反应器高()℃。

A.1

B.2

C.3

D.4

题型:单项选择题

M20表示公称直径为20mm的()普通螺纹.

A.粗牙

B.细牙

C.纹理

D.粗细

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