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1、 I am very old now. I was born in China. Many people used me for calculating in the past, but now I am a bit lonely because they dont like me now. Do you know who I am?Do you know who I am?abacus I am very small. I can be used for calculating. In China, a lot of students use me when solving mathemat
2、ical problems. Do you know who I am?Do you know who I am?calculatorI am built to solve I am built to solve some mathematical some mathematical problemsproblems. But I am . But I am very bigvery big. . Do you know who I am?A huge computerI am a computer which can solve all kinds of problems and be us
3、ed both at home and office widely now . I have bigger screen.Do you know who I am?A PC / desktop (=personal computer)I am a kind of I am a kind of computer computer which can which can be taken conveniently(be taken conveniently(方便方便). ).Do you know who I am?Do you know who I am?A laptop / notebook
4、computerPDA Personal Digital AssistantI am so small in size that I can fit in your hand. I usually have a small screen usually bigger than a digital phone, however smaller than the smallest laptop, Im a great way to store telephone numbers, access the internet, make calculations, and so on. Do you k
5、now who I am?robotIm a machine that works automatically. I can do a wide variety of tasks, especially suitable for doing jobs too boring, difficult,or dangerous for human beings. Do you know who I am?A huge computerPCPDAlaptopabacuscalculator1. Look through the passage to find out who the speaker is
6、.It is a computer.2.Which type / style does the text belong to ?3.Why does the writer use the title WHO AM I ? What kind of literary devices (修辞修辞)does the text use? Personification the first person A. Description(描写描写) B. Narration(叙述叙述)C. Exposition(说明说明) D. Argumentation(议论议论)Readingsimple, vivid
7、, interesting, understandable.4. What is the main idea of the whole passage? A. The early development of the computer. B. The late development of the computer. C. The importance of the computer. D. The development and use of computers5. In what order is this passage arranged(安排）安排）?ReadingReadingTim
8、e. Timeline1642: _1822: The Analytical Machine was made by Charles Babbage. _ _1940s: _ The first family of computers was connected to each other.1970s: _ Now: _The computer began as a calculating machine.Alan Turing wrote a book to describehow computers could be made.Computers connect people all ov
9、er the world together.1960s:Computers were used in offices and homes.The computer grew as large as a room.ScanningScanning1936:Read paragraph 1 and think what is the topic sentence of this passage.Over time I have been changed quite a lot. has changed over time.Who am I ?The computerCareful readingQ
10、1:Q1:1 Who built the first analytical machine? 1 Who built the first analytical machine? 2 Who was the next important person to design 2 Who was the next important person to design computers? computers? Charles Babbage built the first analytical machine.Charles Babbage built the first analytical mac
11、hine.Alan TuringAlan Turing waswas the next important person to design the next important person to design computerscomputers. .Alan TuringCharles BabbageA PCl( ) analytical machinel( ) calculating machinel( ) laptopl( ) universal machine( ) robot123456Q2:the history of the computer,put in ordercalc
12、ulating machineanalytical machineuniversal machinePC( desktop)laptop. Changes in functionsSimplify difficult sums.Think logically and produce an answer quicker than any person.Solve any difficult mathematical problem.Used in offices and homes.Changes in size 1._ (earlier) 2._ ( in the past) 3._ mode
13、rn)not very bighugesmaller and thinnerChanges in sizeChanges in sizeRead paragraph 2 quickly and find out the topic sentence.These changes only became possible as my memory improved.内存内存tubestransistorschipsWorld Wide Web network网络网络万维网万维网Para 3: Since the 1970s many new applications have been found
14、 for municationfinancetraderobotsmobile phonesmedical operationsspace rockets Anyhow, my goal is to providing humans with a life of high qualityexplore the Moon and Mars How can you understand the underlined word?Since the 1970s many new applications have been found for me. A. a formal request for s
15、th B. the practical use of sth C. an act of spreading sth D. an act of making a rule Every coin has two sides, so does the Internet. Think about the advantages and disadvantages about it to us students.Advantages:Disadvantages:Computer and Internetsfunctions /advantagestype my homeworkdraw picturesp
16、lay gamescommunicate with my friendsgather information for my lessonslisten to musicwatch movies do shopping Bad for our eyes and health A waste of time and money Make people isolate from their friends Some people especially the teenagers are addicted to the computer games and chatting on the Intern
17、et. As a result, they have little time to study . Some people use the computer wrongly. ConclusionConclusionThere is no doubt that computer has two There is no doubt that computer has two sides ,too. If we make good use of it, it sides ,too. If we make good use of it, it will make our lives more col
18、orful and will make our lives more colorful and convenient. But dont lose yourself in convenient. But dont lose yourself in playing computers. Just remember: Keep playing computers. Just remember: Keep fit, study well and work hard.fit, study well and work hard.Writing :Should high school students surf the internet?What do you know about computer?For example,can you name some parts of computer?keyboard 键盘键盘mouse 鼠标鼠标monitor 显示器显示器screen 屏幕屏幕speaker 音响音响 host主机主机components of a computer
