高一下第三单元.ppt

2022-7-20Who am I? Frank Li7A personal computer (PC)2022-7-20Who am I? Frank Li8Unit 3 Computers reading2022-7-20Who am I? Frank Li92) Whats the main idea of the text? A. The computer wants to find “who he is”. B. The functional change of the computer. C. The computer becomes popular around the world. D. The history and development of the computer.Skimming1)The machine is introducing itself mainly according to _? A. function B. time C. size Detailed reading!3) Who is the speaker?It is a computer1936(1822)1970sAnd latera calculating machine, in 1642an analytical machine, 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 1970sParagraph 1Paragraph 2Paragraph 3Topic sentencesupporting detailsOver time I have been changed quite a lotThese changes only became possible as my memory improvedSince the 1970s many new applications have been found for me Calculating machineAnalytical machine Universal machine PCLaptop Tubes Transistors Chips NetworkWorld wide webCommunicationsFinanceTradeRobotsMobile phonesMedical operationsSpace rocketsProviding a life of high qualityName : 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. Which type / style does the text belong to ?2 . Why does the writer use the title WHO AM I ? What kind of literary devices (修辞修辞)does the text use?A. Description(描写描写) B. Narration(叙述叙述)C. Exposition(说明说明) D. Argumentation(议论议论)Personificationthe first person simple, vivid(生动的生动的), interesting, understandable.How do we use computers in daily life?communicationentertainmentinformationwork and jobcommerce/finance online1.chatting2.sending E-mails3.expressing ideas online4.making new friends1.playing games2.watching movies3.listening to music1.reading news2.searching for useful information, such as price information, job information and so on3.asking questions and seeking for help1.shopping online2.transferring accounts3.paying all kinds of bills, such as water & electricity fees, cell phone fees and so on4.speculating in stocks online1.using computers to do jobs2.applying for jobs online3.doing research With the development of computer technology, the internet had become more and more popular among students. However, just as a saying goes, a coin has two sides. The internet brings both advantages and disadvantages to students. Work with your partners to list some advantages and disadvantages of the internet. Some 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 advantagesDisadvantages1.Communicate with friends(all over the world)2. listen to the music3.see films & watch news4. play games5. do shopping 6.save a lot of time to do a lot of useful things