题目内容

I want to get something (read) ______ during the vocation.

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B类网络的子网掩码为255.255.252.0，则主机数目是______。

A. 2046
B. 1022
C. 510
D. 254

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ARP的功能是______。

A. 验证数据帧的接收
B. 获得主机的IP地址，然后将IP地址映射到一个注册的域名上
C. 测量在单个发送过程中丢失的数据包数
D. 获得主机的MAC地址，然后将MAC地址映射到主机的IP地址上

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W: Hello. Sales Department.M: Good morning. This is Blue Sky Electronics.W: Good morning. What can I do for youM: I’d like to find out if you delivered the goods we ordered.W: May I have the code number of your order, pleaseM: NK 04.W: NK 04. Just a moment, please. Yes, it was sent to you yesterday. You’ll get it soon.M: That’s fine. Thanks.W: Is there anything else I can do for youM: Not at the moment. Thanks. Good-bye. What do we know about the goods the man ordered（）

A. The goods were lost.
B. The delivery will be delayed.
C. They have been sent.
D. They will soon be returned.

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W: Why are you interested in our companyM: Your company is world famous. So, I think there will be better chances for personal development.W: You’re right. Do you think you have the qualifications for this jobM: Sure. My qualifications meet your job description.W: But you have no experience for this job.M: That’s sure. But I am eager to learn, and also quick at learning.W: Since you need further training, are you familiar with training salaryM: No. What is the monthly salaryW: 800 Yuan per month.M: Do you mind if I give an answer tomorrowW: Not at all. Why is the man interested in the job（）

A. He has got the required knowledge.
B. He is satisfied with the salary offered.
C. He thought he could be hired by the company.
D. He wanted to have better chances for development.

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