A toy?A handbag?How much do you know about computers?keyboardmousehost computerscreenmonitorspeakerThe components( 组成部分)of a computer:A huge computerA PCPDAlaptopThe development of computersQ: What can we use computers to do?We can use the computer to.listen to musicwatch movies search for useful information communicate with friendsbuy things怎样学好英语Reading Who Am I ?Q2. What does each paragraph tell us?Q1.In the passage, what does “I” refers to？a computerTips A topic sentence gives the main idea of a paragraph. A topic sentence is usually the first or last sentence of a paragraph.Paragraph 1Paragraph 2Paragraph 3Over time I have been changed quite a lot.These changes only became possible as my memory improved.Since the 1970s many new applications have been found for me.Q3. Whats the main idea of the text?The changes and the applications of the computer.Read para1 and finish the exercise.E1:What was the computer called in different stages?1. It began as a(n) _ in France in 1642.2. About 200 years later it was built as a(n) _ by Charles Babbage.3. In 1936 it was made to work as a(n) _.4. As time went by, the computer was made smaller. First as a and then as a _.calculating machineanalytical machineuniversal machinePC(personal computer) laptopE2: Two important characters:Charles BabbageAlan Turinganalytical machinereal fatheruniversal machine NameFunction （功能）A calculating machineAn analytical machineAn universal machineA PC / a laptopSolve difficult mathematical problemsThink logically and produce an answer quicklySimplify difficult sumsBe used in offices and homesE3:Function of each machine Para 2: technical words Memory:chipchip transistortransistor tubetubeThe amount of space in a computer for storing information.内存networknetworkListen to paragraph 2: How did its memory improve?These changes only became possible as my memory improved. First, it was stored in _, then on _.And later on very_ _. In the early 1960s,I was given a family connected by a _. I was able to share my knowledge with others through the_ _ _.tubestransistors smallchipsnetworkWorld WideWebWhat are the new applications?mobile phonesParagraph 3 finance robotscommunicationmedical operationstradespace rocketHow did the writer organize the text?According to the time1642 began a calculating machineFrance 1822build analytical machine Charles Babbage1936Alan Turing wrote be made to work universal machinesolve 1940sas large asconnected network1970suse in offices and homes new application1960sRetell the history of computersName : computer Born : (time)_ (place) _ My real father: _ My size: 1._( in the past)2._(modern) My history: 1. 1642 _machine2. 1822_machine3. 1936 _machine4. 1940s _5. 1970s _ and _ My memory: _ _ _ My applications: _; _;_; _;_; _;_. 1642France Alan Turing large smaller and smalleranalytical calculatinguniversallaptopPC tubestransistorschips communicationfinance robot mobile phone space rocketmedical operationtradehuge computerHomework Computers_ people all over the world together.16421822Now19361960s1970sThe computer began as a_The_ was built by Charles Babbage.Alan Turing wrote a book about how computers could be made to work as a_The first family of computers was connected to each other.Computers were used in_The history of the computer:1940s The computer had grown as large as_Timeline(What happened?)analytical machinecalculating machine.universal machine.a room.offices and homes.connectTask3common1. most widely known; ordinary:He is a common sailor.2. have nothing/little/something/ a lot in commonAt first, I think we only had one thing in common, but suddenly I felt we had a lot in common.They have nothing in common with one another.The two brothers had everything in common in their manners, but the two sisters have little in common.In common with (like) many educated people he prefers classic music to jazz. 4. in common : equally with or by all.He and his bother own the firm in common.In common with many other classmates, I like sports.3. have. in common (with), share withWe just had nothing in common with each other and I couldnt communicate with his dull business friends5. in common with : =like2. I followed instructions from cards with holes. follow: take or acceptI followed my teachers advice and paid more attention to my spoken English.You will spend a lot if you always follow the fashion.We should follow the example of the students who behave themselves.Follow the road signs while driving.Can