高中英语 book2 unit 3 第三单元 reading：who am i课件 新人教版必修2

,5,4,3,2,1,What are they ?,Welcome to my class!,First, lets play a game!,Huge computer,PC (personal computer),laptop(notebook computer),PDA (personal digital assistant),robot,Similarity?,Theyre computers in different stages.,Whats next?,i- robot (intelligent robot),WHO AM I ?,Unit 3 ComputersReading,Unit 3 Computers reading,Just have a fast reading,Find out topic sentences of each paragraph.,Over time I have changed quite a lot.These changes only became possible as my memory improved.Since the 1970s many new applications have been found for me.,Lets have a more detailed reading!,Read Para. 1 in 2 mins and find out the development histoty of computers. Ill give you some clues.,a calculating machine, in 1642,an analytical machine, (in 1822), Charles Babbage,a universal machine, in 1936, Alan Turing,a huge computer, as large as a room, in 1940s,a personal computer and a laptop, and used in offices and homes since the 1970s,a 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,ENIAC,Para. 2,technical words,Memory: storage or storage capacity as of a computer, disk, etc.,chip,transistor,tube,network,The World Wide Web,Para. 2,Read it by yourselves in 1 min and use another minute to put forward a question for your classmates.,Show time,Raise your question and win one score for your group!And of course you can also win one score for your group by answering questions.One person, one chance!,Show time,Well-done!,These changes only became possible as my memory improved.,tubes transistors small chips network World Wide Web,more and more powerful!,Para.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 Mars,Anyhow, my goal is to provide humans with a life of good quality.,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 _machine 4. 1940s _ 5. 1970s _ and _My memory: _ _ _ My applications: _; _; _; _; _; _; _.,Who am I？,1642,France,Alan Turing,huge,smaller and smaller,analytical,calculating,universal,laptop,PC,tubes,transistors,chips,communication,finance,robot,mobile phone,space rocket,medical operation,trade,huge computer,Writing skills,personification（拟人） narrative perspective: first-person narrative（叙述角度：第一人称角度）chronological order(时间顺序)main ideas and supporting details （主旨+支撑细节）,How do we use computers in daily life?,communication,entertainment,information,work and job,commerce/finance online,communication,chattingsending E-mailsexpressing ideas onlinemaking new friends,entertainment,playing gameswatching movieslistening to music,information,reading newssearching for useful information, such as price information, job information and so onasking questions and seeking for help,commerce/finance online,shopping onlinetransferring accountspaying all kinds of bills, such as water & electricity fees, cell phone fees and so onspeculating in stocks online,work and job,us