我国在1991年建成第一条与国际互联网连接的专线，并与斯坦福大学连接成功，实现者是中国科学院的______。
A．数学所
B．物理所
C．高能所
D．情报所
参考答案：C
解析： 本题考查点是因特网在我国的发展历史。我国在1991年6月建成第一条与国际互联网连接的专线。该专线从中国科学院高能物理研究所连接到美国斯坦福大学直线加速器中心。1994年，我国采用TCP/IP协议与国际互联网正式全功能连接。同年5月，中国科学院高能物理研究所建立了我国最高域名．cn服务器，标志着我国网络正式接入Internet。接着相继又建立了中国教育科研网(CERNet)、中国公用计算机互联网 (ChinaNet)和中国金桥网(GBNet)，从此中国用户日益熟悉并广泛使用Internet。
认真阅读下列短文,并根据所读内容在文章后表格中的空格里填入一个最恰当的单词。注意：每个空格只填1个单词。 Becoming a fireman is a challenging and competitive job today. A fireman’s main duty is being scheduled according to the fighting and extinguishment(熄灭) of fire which definitely requires being a strong man, both mentally and physically. The duty of a fireman involves protection of life and property of the public. They are the servicemen who are decisively selected by an organization to deal with situations like fire. The duty of a fireman intentionally consists of helping innocent people in their time of need. Such type of jobs is one of those few jobs where service is provided for people when they need help immediately. This may include rescuing people from a building at fire, providing them with medical facilities, extinguishing fire in a house or in a large commercial building. Serving people is the main intention of these professionals. The satisfaction which a fireman gets from this type of job cannot be compared to any other profession in the world. Such profession demands top-level commitment and professionalism from .those who have chosen it as a career. Fireman should possess the highest level of courage and patience to put their lives in danger for the sake of others. They undergo lessons of maintaining patience for long hours and go through complete preparation to become successful and well-organized professional firemen. There are certain tests that are recommended before becoming a fireman. It’s not that easy to become a fireman nowadays. A fireman is supposed to deal with unexpected situations, and they should be skilled at communicating with others and be self-disciplined at the same time. In order to be a good fireman, one must undergo（经历、接受） strict local fire department’s training program after passing all the tests. All the fire departments conclude a two-to-four-month course, including classroom training and practical training that cover firefighting techniques, fire avoidance, dangerous materials and urgent situation medical actions. Completing this training, trainees go through the department’s trial period of service that can last from three to six months, depending on the methods of selection. Firemen usually work both indoors and outdoors. They have to be on duty at all times and mostly work in shifts of at least 8 hours. They are also provided with several benefits which include medical aid plan, pension fund, annual leave and many more. Title: Fireman
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