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1、4第1頁(yè)/共36頁(yè)3第2頁(yè)/共36頁(yè)2第3頁(yè)/共36頁(yè)1第4頁(yè)/共36頁(yè)第5頁(yè)/共36頁(yè)第6頁(yè)/共36頁(yè)第7頁(yè)/共36頁(yè)第8頁(yè)/共36頁(yè)第9頁(yè)/共36頁(yè)第10頁(yè)/共36頁(yè)Unit 3 Computers reading第11頁(yè)/共36頁(yè)2022-5-22Who am I? Frank Li12Skimming: Read and answer these questions:2. Who was the first person to invent the earliest computer? 3. Who was the next important person to design com
2、puters? Charles BabbageAlan Turing1. Who am I?A computer.第12頁(yè)/共36頁(yè)Lets have a more detailed reading!第13頁(yè)/共36頁(yè)1936(1822)LatterAnd lattera calculating machine, in 1642an analytical machine, (in 1822), Charles Babbagea universal machine, in 1936, Alan Turinga huge computer, as large as a room, in 1940s
3、a personal computer and a laptop, and used in offices and homes since the 1970s第14頁(yè)/共36頁(yè)a calculating machine, in 1642帕斯卡計(jì)算器是由布萊斯帕斯卡(Blaise Pascal)發(fā)明的，帕斯卡計(jì)算器可以把一長(zhǎng)串?dāng)?shù)字相加，在他的計(jì)算器中有一些互相聯(lián)鎖的齒輪，一個(gè)轉(zhuǎn)過十位的齒輪會(huì)使另一個(gè)齒輪轉(zhuǎn)過一位，人們可以像撥電話號(hào)碼盤那樣，把數(shù)字撥進(jìn)去，計(jì)算結(jié)果就會(huì)出現(xiàn)在另一個(gè)窗口中。第15頁(yè)/共36頁(yè)an analytical machine, (in 1822)分析機(jī)是由英國(guó)數(shù)學(xué)家查爾斯巴貝
4、奇設(shè)計(jì)的一種機(jī)械式通用計(jì)算機(jī)。它的設(shè)計(jì)邏輯卻非常的先進(jìn)，是大約100年后電子通用計(jì)算機(jī)的先驅(qū)。第16頁(yè)/共36頁(yè)a “universal machine”, in 1936(not a real machine, but just a mathematical model)第17頁(yè)/共36頁(yè) a huge computer, as large as a room, in the 1940s尺寸（英尺） 3050電容(個(gè))10000重量（噸）30開關(guān)(個(gè))6000真空管(個(gè))18800耗電（W）150000電阻(個(gè))70000成本（1940年） $40萬ENIAC第18頁(yè)/共36頁(yè)第19頁(yè)/共3
5、6頁(yè)technical words Memory: storage or storage capacity as of a computer, disk, etc. 第20頁(yè)/共36頁(yè)The World Wide Web第21頁(yè)/共36頁(yè)第22頁(yè)/共36頁(yè)P(yáng)ara.3 Find some supporting details for the topic sentence.(1 minute.) Since the 1970s many new applications have been found for me.第23頁(yè)/共36頁(yè) Since the 1970s many new appli
6、cations have been found for me. communications finance trade robots mobile phones medical operations space rockets exploring the Moon and Mars第24頁(yè)/共36頁(yè)Name : computer Born : (time)_ (place) _My real father: _My size: 1._( in the past) 2._(modern)My history: 1. 1642 _machine 2. 1822_machine 3. 1936 _
7、machine 4. 1940s _ 5. 1970s _ and _My memory: _ _ _ My applications: _; _; _; _; _; _; _. 1642France Alan Turinghugesmaller and smalleranalytical calculatinguniversallaptopPCtubestransistorschipscommunicationfinancerobotmobile phonespace rocketmedical operationtradehuge computer第25頁(yè)/共36頁(yè)1.personific
8、ation（擬人） 2.narrative perspective: first-person narrative（敘述角度：第一人稱角度）3.chronological order(時(shí)間順序)4.main ideas and supporting details （主旨+支撐細(xì)節(jié)）第26頁(yè)/共36頁(yè)How do we use computers in daily life?communicationentertainmentinformationwork and jobcommerce/finance online第27頁(yè)/共36頁(yè)communicationchattingsending E
9、-mailsexpressing ideas onlinemaking new friends第28頁(yè)/共36頁(yè)entertainmentplaying gameswatching movieslistening to music第29頁(yè)/共36頁(yè)informationreading newssearching for useful information, such as price information, job information and so onasking questions and seeking for help第30頁(yè)/共36頁(yè)commerce/finance onli
10、neshopping onlinetransferring accountspaying all kinds of bills, such as water & electricity fees, cell phone fees and so onspeculating in stocks online第31頁(yè)/共36頁(yè)work and jobusing computers to do jobsapplying for jobs onlinedoing research第32頁(yè)/共36頁(yè)2022-5-22Who am I? Frank Li33 advantages we cancommuni
11、cate with friends listen to the music see films & watch news play games do shopping save a lot of time do a lot of useful things DisadvantagesSome people especially the teenagers abandon (沉迷于沉迷于) themselves to the computer games and chatting on the Internet. As a result, they have little time to study .Some people use the computer wrongly. 第33頁(yè)/共36頁(yè)2022-5-22Who am I? Frank Li34Homework1. Review the text2. Period 1 EX33. Copy and remember the new words第34頁(yè)/共36頁(yè)第35頁(yè)/共36頁(yè)2022-5-22Who am I? Frank Li36感謝您的觀看！第36頁(yè)/共36頁(yè)
高中英語(yǔ) Book Unit readingwho am I 新人教必修PPT課件
