皮皮学,免费搜题
登录
logo - 刷刷题
搜题
【简答题】
Tim Berners-Lee is the man who wrote the software(软件)programme that led to the foundation of the World Wide Web. Britain played an important part in developing the first generation of computers. The parents of Tim Berners-Lee both worked on one of the earliest commercial(商业的)computers and talked about their work at home. As a child he would build models of computers from packaging material. After graduating from Oxford University he went on to the real thing. In the 1980s scientists were already communicating using a primitive version(原始版本)of e-mail. While working at a laboratory in Switzerland, Tim Berners-Lee wrote a programme, which let him store these messages. This gave him another idea: write a programme that will let academics(学术界人士)from across the world share information on a single place. In 1990 he wrote the HTTP(服务程序所用的协议)and HTML(超文本链接标示语言)programmes which form. the basis of the World Wide Web. The next year his programmes were placed on to the Internet. Everyone was welcome to use them and improve them if they could. Programmers used his codes(编码)to work with different operating systems. New things like web browsers(浏览器)and search engines were developed. Between 1991 and 1994 the number of web pages rose from 10 to 100,000. In 1994 Tim Berners-Lee formed the newly formed World Wide Web Consortium(协会),or W3C. More than 200 leading companies and laboratories are represented(代表)by W3C. Together they make sure that everyone can share equally on the web. 'The Web can help people understand the way that others live and love and are human. It helps us understand the humanity of people, 'he says. 1. From the lines we can infer that Tim Berners-Lee is _____. A. British B. American C. Swiss D. French 2. The main idea of this passage is _____. A. when the Internet came into being B. how Tim Berners-Lee formed W3C C. why computers develop so rapidly D. how the World Wide Web started 3. Scientists began to communicate using e-mail _____. A. in 1980 B. after the 1980s C. before 1990 D. in the 1960s 4. He made up his mind to write a programme that would let people from across the world share information on a single place when _____. A. he was a child B. he studied in Oxford University C. he formed W3C D. he worked at a lab in Switzerland 5. Which of the following is NOT true? _____ A. The number of web pages rose very rapidly in the 1990s. B. Tim's programmes were placed on to the Internet in 1990. C. The World Wide Web will have an effect on the social development. D. Tim Berners-Lee made a great contribution to the computer science.
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
微信内点击右上角“…”即可分享
反馈
参考答案:
举一反三
【多选题】缺铁性贫血的病因有哪些?
A.
先天储铁不足
B.
铁摄入不足
C.
生长发育快
D.
其他疾病所致
【单选题】在我国国家机构中居于最高地位的国家机关是
A.
全国人民代表大会
B.
国务院
C.
最高人民法院
D.
最高人民检察院
【判断题】变压器空载运行时的功率因数比负载运行时的功率因数高。
A.
正确
B.
错误
【简答题】巨幼细胞性贫血的病因有哪些
【单选题】下列关于药品的商品特征中,体现药品的公共福利性的是
A.
药品的使用目的是预防、治疗、诊断人的疾病
B.
国家对药品的研制、生产、流通、使用实行严格的质量监督管理
C.
国家对基本医疗保险药品目录中的药品实施政府定价
D.
药品必须通过合格的医师、药师的指导才能发挥其预防、治疗和诊断疾病的作用
【单选题】“ 北京开全国人大,我们开 ‘ 村人大 ’ 。 ” 湖北省某市 “ 村务公开日 ” 在全市 170 多个村统一举行。村民代表听取村务公开报告、听取村财务工作报告、评议村干部等规范程序一个也不少。这说明( )
A.
我国具有非常完善的社会主义民主形式
B.
我国公民当家作主,管理国家和社会事务的权力已经实现
C.
扩大基层民主是我国社会主义民主最直接、最广泛的实践
D.
直接选举是我国民主制度的特色
【多选题】在下列对变压器负载运行的描述中,正确的有【 】。
A.
负载运行时磁动势是由各侧电流共同产生,因此负载电流的变化时,主磁通也将随之变化。
B.
如忽略一次绕组阻抗压降的影响,则主磁通不会随着负载电流的变化而变化。
C.
变压器负载运行时的功率因数比空载运行时的功率因数高。
D.
变压器负载运行时的功率因数比空载运行时的功率因数低。
【多选题】造成功率因数偏低的因素有()。
A.
电感性用电设备配套不合适和使用不合理,造成用电设备长期轻载或空载运行,致使无功功率的消耗量增大;
B.
大量采用电感性用电设备,如异步电动机、交流电焊机、感应电炉等;
C.
变压器的负载率和年利用小时数过低,造成过多消耗无功功率;
D.
线路中的感抗值比电阻值大好几倍,使无功功率损耗大;
E.
无功补偿设备的容量不足,致使输变电设备的无功功率消耗很大。
【简答题】缺铁性贫血的病因有哪些?
【单选题】在我国国家机构中居于最高地位的国家机关
A.
全国人民代表大会
B.
国务院
C.
最高人民法院
D.
最高人民检察院
相关题目:
参考解析:
知识点:
题目纠错 0
发布
创建自己的小题库 - 刷刷题