高一英語必修1 unit3 reading (ppt)

Welcome上杭一中上杭一中 呂曉芳呂曉芳2007年年12月月14日日1. What is PC? Speak the name on the whole.It means: personal computer.2. What is IT?Information Technology.3. What is PDA?Personal digital assistant.4. What is W.W.W?World wide web.5. 科學(xué)技術(shù)?？茖W(xué)技術(shù)。Science and technology.6.筆記本電腦。筆記本電腦。Notebook computer.Give the English names of the following pictures of the computer components (組件組件)CD / DVD-ROMCRT monitorLCD monitorCPU 中央處理器中央處理器hard disc(硬盤硬盤)Chips (主板主板)/motherboardkeyboardmousemodemscannerprinterspeakerfloppy discUSB flash discCD/DVD/VCDMP3 player124356Label each part1. monitor2. screen3. CD-ROM4. mouse5. keyboard6. hard disk UNDERLINE THE CORRECT OPTION TO FORM COMPOUND WORDS.Example: search a) engine b) motor c) disk 1 keya) doorb) boardc) pocket2 weba) designb) lightc) site3 ona) timeb) linec) sign4 down a) roadb) foodc) load5 softa) wareb) bearc) toy6 upa) dayb) datec) late7 hard a) datab) diskc) systemsearchengineWhat can computers be used to do?1. use computer for school work 2. play computer games 3. send emails to friends 4. surf the Web for fun 5. download music and films6. chat online7. search for information8. look at photographs9. do shopping onlineShould high school students surf the internet(上網(wǎng)上網(wǎng))?I think we high school students should surf the internet because(first, second, third)I dont agree with you. In my opinion, it is bad for students to The reason is thatI agree with you. I think we can alsoHeavy!Difficult! Hard!Tired!1. Easy!2. Fast!3. Free!WORD PUZZLEAn abacusv It is built to solve some mathematical problems. But it is too big. A huge computerAn old calculating machine used in China until now.It is a new calculating machine which can solve a large number of mathematical problems.A calculatornIt can solve all kinds of problems and is used widely now. A personal computerIt is a kind of computer which can be taken conveniently like a notebook.A notebook computerWhats next?WHAT DO THEY HAVE IN COMMON?1.They can be used for calculating. 2.They can deal with maths problems.3.They are our friends.4.They are useful and helpful.THE HISTORY OF COMPUTERSthe second generation (1956-1963)the third generation (1964-1971)the fourth generation (1971- )The first generation (1945-1956)1. Where were you in 1642?2. What happened to you in 1822?3. What were you called in 1936?4. What did you get in 1960s?5. What happened to you in 1970s? You are Mr./Miss Computers, and I am the reporter. The reporter may ask the following questions:1. Where were you in 1642? In France.2. What happened to you (in 1822) after nearly two hundred years? I was built as an Analytical Machine by Babbage.3. What were you called in 1936? A universal machine.4. What did you get in 1960s? I got a family connected by a network.5. What happened to you in the 1970s? I have been used in offices and homes. Main idea: This is a short history of the _ of computers.developmentTopic sentences:Para 1 Over time I have been changed quite a lot.Para 2 These changes only became possible as my memory improved.Para 3 Since the 1970s many new applications have been found for me.16421822 The analytical machine was made by Charles Babbage.1936The computer began as a calculating machineThe computer grew rapidly both in size and in brainpower. Careful reading and timeline1940s The first family of computers was connected to each other.1970s nowComputers had grown as large as a room.1960sComputers were used in offices and homes.Computers connect people all over the world together.1. In 1642 I began as a calculating machine and could solve any mathematical problem.2. My real father was Charles Babbage, who wrote a book and build me in 1936.3. After I got my new transistors in the 1960s, I became smaller but cleverer and quicker.4. I was brought into peoples homes in the 1970s.5. Since my birth I have been built to take the place of human race.FFTTFTrue or False?calculatingAlan TuringserveFill the blanks: I began as a _ machine in 1642 in France. In 1822 I was built as an _ machine. Then in 1936 Alan Turing wrote a book and built a _ machine. As the years have_ _, I have been made _ . There were times when my size _ changed. And my memory became _ large _ I couldnt believe it. In the 1960s they gave me a family_ by a network. I was able to _with others through the World Wide Web. Since the 1970s many new applications _ for me.calculatingAnalyticaluniversalgone bysmaller totallythatconnectedhave been foundshare my knowledgeso 1. Look up the words below: in common, as a result, anyhow, so.that, in a way, watch over.2. Finish the Ex2 and Ex3 in Learning about Language on page20.Homework