The friend of the author was a lawyer too.
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在WindowsXP中,可以使用(61)来浏览日志文件,其中包含有(62)。
A. 事件查看器
B. 浏览器
C. 超级终端
D. 信息服务
某公司网络地址是202.117.240.0/20,被划分成16个子网,则每个子网的子网掩码为(30),包含的最大的主机数是(31)。
A. 255.255.255.0
B. 255.255.254.0
C. 255.255.252.0
D. 255.255.240.0
按照10BASE-2标准,一个网段的最大段长为(23),网段之间采用中继器最多可以连接(24)个网段。
A. 100m
B. 185m
C. 200m
D. 500m
Section B
Directions: In this section, you will hear 3 short passages. At the end of each passage, you will hear some questions. Both the passage and the questions will be spoken only once. After you hear a question, you must choose the best answer from the four choices marked A, B, C and D.
听力原文: Federal Express is a private airline service. It expands the Postal Service in the United States. It is the only U. S. airline specializing in the transportation of small packages 35 kilo grams or less.
Federal Express links 130 major American cities and 10, 000 surrounding communities. An urgent package picked up in one part of the country this afternoon can be delivered to any other part of the country tomorrow morning. All of the Federal Express jets fly into the International Airport at Memphis, Tennessee, because it is located in the center of the United States.
The sorting system for Federal Express is called "The Hub". Every night, from about 12 midnight to 3 am, the packages are gathered and sorted into shipments for specific destinations. The main labor force is comprised of students working part-time.
Since Federal Express started business in 1971, it has flown millions of air kilometers with out fail. In the space of one hour, 39 jets will take off to destinations all across the country.
(27)
A. Its private airline service.
Being an American Post Office.
C. Its transporting small packages.
D. The low cost of its service.