题目内容
配置WWW服务器是UNIX操作平台的重要工作之一，而Apach是目前应用最为广泛的Web服务器产品之一， (1) 是Apache的主要配置文件。URL根目录与服务器本地目录之间的映射关系是通过指令 (2) 设定；指令Server- Admin的作用是 (3) ：而设置index.html或default.html为目录下默认文档的指令是 (4) ；如果允许以"http：//www.xxx.edu.cn/～username"方式访问用户的个人主页，必须通过 (5) 指令设置个人主页文档所在的目录。 4（）
查看答案
搜索结果不匹配？点我反馈
更多问题
For each blank, choose the best answer from the four choices and write down on the answer sheet. (21) is a six bytes OSI layer 2 address which is burned into every networking device that provides its unique identity for point to point communication. (22) is a professional organization of individuals in multiple professions which focuses on effort on lower-layer protocols. (23) functions with two layers of protocols. It can connect networks of different speeds and can be adapted to an environment as it expands. (24) is the popular LAN developed under the direction of the IEEE802.5. (25) is the popular backbone technology for transmitting information at high speed with a high level of fault tolerance which is developed under the direction of ANSI.
An awkward-looking character such as Cyrano de Bergerac might sniff at the suggestion, but recent scientific research shows beauty, brains and brawn may in fact all be allied, writes Dr. Raj Persaud.(46) Psychologists have concluded that we may be drawn to the stereotypically attractive because of what their faces reveal about their intelligence and success in later life. In America, research led by Professor Leslie Zebrowitz, of Brandeis University, has shown an association between facial attractive and IQ. Strangers briefly exposed to a target’s face were able to correctly judge intelligence at levels significantly better than chance.The same team also researched how a person’s attractiveness might bear relation to their intelligence. They found that good-looking people did better in IQ tests as they aged. (47) Their research sought to prove that how a person perceived himself and was perceived by others predicted how intelligent he apparently became more accurately than his past intelligence. (48) Perhaps because the more attractive people were treated as more intelligent, they ended up having more stimulating and, therefore, intelligence-enhancing lives.Does this mean that your face really could be your destiny Sociologists Dr. Ulrich Mueller and Dr. Allan Mazur, of the University of Marburg in Germany, recently analyzed the final-year photographs of the 1950’s graduates of West Point in the United States. Dominant facial appearances turned out to be a consistent predictor of later-rank attainment.Again, they believed there could be a self-fulfilling effect. (49) Because some men looked more authoritative, they naturally drew respect and obedience from others which, in turn, assisted their rise through the ranks.A team at the Royal College of Surgeons in Dublin has been investigating the sensitive subject of links between physical and mental abnormalities. Led by Doctors Robin Hennessy and John Waddington, the team used a new laser surface-scanning technique to make a 3-D analysis of how facial shape might vary with brain structure. Their findings showed that in early fetal life, brain and face development are intimately connected. From this they concluded that abnormalities in brain elaboration probably also affect face development.This, according to them, explains the striking facial features of some one with Down’s syndrome. (50) Using similar techniques, the team also demonstrated how other disorders linked to brain aberrations could be associated with facial alterations.So the very latest scientific research suggests that nobody should try to look too obviously different from average. Perhaps because the more attractive people were treated as more intelligent, they ended up having more stimulating and, therefore, intelligence-enhancing lives.
论述题 试述凯登所指出的原有行政改革策略越来越无效的原因。
CSMA(载波监听多路访问)控制策略中有3种坚持退避算法，其中一种是：“一旦介质空闲就发送数据，假如介质是忙的，继续监听，直到介质空闲后立即发送数据；如果有冲突就退避，然后再监听”这种退避算法称为 (1) 算法。这种算法的主要特点是 (2) 。CSMA/CD在CSMA的基础上增加了冲突检测功能。网络中的某个发送站点一旦检测到冲突，它就立即停止发送，并发冲突码，其他站点都会 (3) 。如果站点发送时间为1，任意两个站之间的传播延迟为t，若能正常检测到冲突，对于基带总线网络，t的值应为 (4) ；对于宽带总线网络，t的值应为 (5) 。 4（）
微信支付 
支付宝支付