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1、4第1頁/共36頁3第2頁/共36頁2第3頁/共36頁1第4頁/共36頁第5頁/共36頁第6頁/共36頁第7頁/共36頁第8頁/共36頁第9頁/共36頁第10頁/共36頁Unit 3 Computers reading第11頁/共36頁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/共36頁Lets have a more detailed reading!第13頁/共36頁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/共36頁a calculating machine, in 1642帕斯卡計算器是由布萊斯帕斯卡(Blaise Pascal)發(fā)明的，帕斯卡計算器可以把一長串數(shù)字相加，在他的計算器中有一些互相聯(lián)鎖的齒輪，一個轉過十位的齒輪會使另一個齒輪轉過一位，人們可以像撥電話號碼盤那樣，把數(shù)字撥進去，計算結果就會出現(xiàn)在另一個窗口中。第15頁/共36頁an analytical machine, (in 1822)分析機是由英國數(shù)學家查爾斯巴貝
4、奇設計的一種機械式通用計算機。它的設計邏輯卻非常的先進，是大約100年后電子通用計算機的先驅。第16頁/共36頁a “universal machine”, in 1936(not a real machine, but just a mathematical model)第17頁/共36頁 a huge computer, as large as a room, in the 1940s尺寸（英尺） 3050電容(個)10000重量（噸）30開關(個)6000真空管(個)18800耗電（W）150000電阻(個)70000成本（1940年） $40萬ENIAC第18頁/共36頁第19頁/共3
5、6頁technical words Memory: storage or storage capacity as of a computer, disk, etc. 第20頁/共36頁The World Wide Web第21頁/共36頁第22頁/共36頁Para.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/共36頁 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/共36頁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/共36頁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(時間順序)4.main ideas and supporting details （主旨+支撐細節(jié)）第26頁/共36頁How do we use computers in daily life?communicationentertainmentinformationwork and jobcommerce/finance online第27頁/共36頁communicationchattingsending E
9、-mailsexpressing ideas onlinemaking new friends第28頁/共36頁entertainmentplaying gameswatching movieslistening to music第29頁/共36頁informationreading newssearching for useful information, such as price information, job information and so onasking questions and seeking for help第30頁/共36頁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/共36頁work and jobusing computers to do jobsapplying for jobs onlinedoing research第32頁/共36頁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/共36頁2022-5-22Who am I? Frank Li34Homework1. Review the text2. Period 1 EX33. Copy and remember the new words第34頁/共36頁第35頁/共36頁2022-5-22Who am I? Frank Li36感謝您的觀看！第36頁/共36頁
高中英語 Book Unit readingwho am I 新人教必修PPT課件
