高中英语_Book2_Unit_3_第三单元_reading：who_am_I课件_新人教版必修2.ppt

54321Unit 3 Computers readingJust have a fast readingFind out topic sentences of each paragraph.1. Over time I have changed quite a lot.2. These changes only became possible as my memory improved.3. Since the 1970s many new applications have been found for me.Lets have a more detailed reading!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 1940sa personal computer and a laptop, and used in offices and homes since the 1970sa calculating machine, in 1642帕斯卡计算器是由布莱斯帕斯卡(Blaise Pascal)发明的，帕斯卡计算器可以把一长串数字相加，在他的计算器中有一些互相联锁的齿轮，一个转过十位的齿轮会使另一个齿轮转过一位，人们可以像拨电话号码盘那样，把数字拨进去，计算结果就会出现在另一个窗口中。an analytical machine, (in 1822)分析机是由英国数学家查尔斯巴贝奇设计的一种机械式通用计算机。它的设计逻辑却非常的先进，是大约100年后电子通用计算机的先驱。a “universal machine”, in 1936(not a real machine, but just a mathematical model) a huge computer, as large as a room, in the 1940s尺寸（英尺） 3050电容(个)10000重量（吨）30开关(个)6000真空管(个)18800耗电（W）150000电阻(个)70000成本（1940年） $40万ENIACtechnical words Memory: storage or storage capacity as of a computer, disk, etc. The World Wide Web These changes only became possible as my memory improved. tubes transistors small chips network World Wide WebPara.3 Find some supporting details for the topic sentence.1 minute. Since the 1970s many new applications have been found for me. Since the 1970s many new applications have been found for me. communications finance trade robots mobile phones medical operations space rockets exploring the Moon and MarsName : 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 _machine 4. 1940s _ 5. 1970s _ and _My memory: _ _ _ My applications: _; _; _; _; _; _; _. 1642France Alan Turinghugesmaller and smalleranalytical calculatinguniversallaptopPCtubestransistorschipscommunicationfinancerobotmobile phonespace rocketmedical operationtradehuge computer1. personification（拟人） 2. narrative perspective: first-person narrative（叙述角度：第一人称角度）3. chronological order(时间顺序)4. main ideas and supporting details （主旨（主旨+支撑细节）支撑细节）How do we use computers in daily life?communicationentertainmentinformationwork and jobcommerce/finance onlinecommunication chatting sending E-mails expressing ideas online making new friends entertainment playing games watching movies listening to music information reading news searching for useful information, such as price information, job information and so on asking questions and seeking for help commerce/finance online shopping online transferring accounts paying all kinds of bills, such as water & electricity fees, cell phone fees and so on speculating in stocks online work and job using computers to do jobs applying for jobs online doing research HomeworkThe movieWall EMore information about the development of computers.