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2019-2020年高中英語 話題導(dǎo)入 Module 6The Internet and Telemunications教案 外研版必修1 電腦網(wǎng)絡(luò)是我們?nèi)粘Ｉ钪械闹匾ぞ?如果沒有了它,這個世界不知會變得如何?電腦網(wǎng)絡(luò)能處理的事情太多了,衣、食、住、行、吃、喝、玩、樂、電子采購、電子公文交換、電子支付、電子保健、電子監(jiān)理等等,都和電腦脫不了關(guān)系,它還能把事情整理得井井有條。在以后的歲月中,不懂電腦網(wǎng)絡(luò)的人很可能寸步難行!  背景知識 THE FIRST PUTER 世界上第一臺電子數(shù)字式計(jì)算機(jī)于1946年2月15日在美國賓夕法尼亞大學(xué)正式投入運(yùn)行,它的名稱叫ENIAC(埃尼阿克),是電子數(shù)值積分計(jì)算機(jī)(The Electronic Numberical Integrator and puter)的縮寫。它使用了17468個真空電子管,耗電174千瓦,占地170平方米,重達(dá)30噸,每秒鐘可進(jìn)行5000次加法運(yùn)算。雖然它的功能還比不上今天最普通的一臺微型計(jì)算機(jī),但在當(dāng)時它已是運(yùn)算速度的絕對冠軍,并且其運(yùn)算的精確度和準(zhǔn)確度也是史無前例的。 PUTER NETWORK 將地理位置分散的計(jì)算機(jī)通過專用的電纜或通信線路互相連接,就組成了計(jì)算機(jī)網(wǎng)絡(luò)。網(wǎng)絡(luò)可以使分散的各種資源得到共享,使計(jì)算機(jī)的實(shí)際效用提高了很多。計(jì)算機(jī)聯(lián)網(wǎng)不再是可有可無的事,而是計(jì)算機(jī)應(yīng)用中一個很重要的部分。人們常說的因特網(wǎng)(INTERNET,也譯為國際互聯(lián)網(wǎng))就是一個通過通信線路連接、覆蓋全球的計(jì)算機(jī)網(wǎng)絡(luò)。通過因特網(wǎng),人們足不出戶就可獲取大量的信息,與世界各地的親友快捷通信,進(jìn)行網(wǎng)上貿(mào)易等等。 引入型閱讀 Tim Berners-Lee and the Internet Tim Berners-Lee is the man who wrote the software(軟件) programme that led to the foundation of the World Wide Web.Britain played an important part in developing the first generation(第一代) of puters.The parents of Tim Berners-Lee both worked on one of the earliest mercial(商業(yè)的) puters and talked about their work at home.As a child he would build models of puters from packaging material.After graduating from Oxford University he went on to the real thing.In the 1980’s,scientists were already 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.In 1990 he wrote the HTTP(服務(wù)程序所用的協(xié)議) and HTML(超文本鏈接標(biāo)示語言) programmes which formed the basis of the World Wide Web. The next year his programmes were placed on to the Internet.Everyone was wele to use them and improve them if they could.Programmers used his codes(編碼) to work with different operating systems(系統(tǒng)).New things like web browsers(瀏覽器) 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(協(xié)會) or W3C.More than 200 leading panies and laboratories are represented(代表) by W3C.Together they make sure that everyone can participate(參加) equally on the Web. 1.The main idea of this passage is ______. A.when the Internet appeared B.why puters develop so rapidly C.how the World Wide Web started C.how Tim Berners-Lee formed W3C  2.Scientists began to use E-mails______. A.in the 1960’s B.before 1990 C.after the 1980’s D.in 1980’s 3.Which of the following is not true? A.The World Wide Web will have an effect on social development. B.The number of web pages rose very rapidly in the 1990’s.[] C.Tim Berners-Lee made a great contribution to the puter science. D.Tim’s programmes were placed on to the Internet in 1990. 答案:1.C　2.D　3.D