Unit3ComputersReadingThe amazing future we saw in the video come from the following ordinary objects:Do you want to know our future life?Do you know who I am?C machinealculatingWarming up: Do you know who I am?A machine nalyticalDo you know who I am? U machineniversalDo you know who I am?iPad is one type of c . omputersMobile phone Do you know who I am?Do you know who I am? L .aptop Study the title: “Who am I ?”Computer.What do you think this text is about?Skimming(略读略读)to findtopic sentence of each paragraphSkimmingOver 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.The passage is mainly about:the and of computers.changesapplicationsPara1 Para2 Para3 Topic sentenceScanning（找读）（找读） to find Information through key wordsscanningAlan Turing wrote a book about how I could be made to work as a “universal machine”Charles Babbage made the analytical machine.The computer began as a calculating machine.They gave me a family connected by a network.Computer is a devoted friend and helper of the human race.Computers have been used in offices and homes.1642 1822 1936 1960s 1970s Now Finish the timeline.Topic sentenceSupporting detailscalculating machineanalytical machineuniversal machinePC( desktop)laptopPara 1: Over time I have been changed quite a lot.Careful ReadingtypeSimplify difficult sumsThink logically and produce an answer quicklySolve any difficult mathematical problem Used in offices and homesanalytical machineuniversal machinecalculating machinePC/laptopMatchingfunctionPara 2: These changes only became possible as my memory improved. tubestransistors chipsnetwork World Wide WebAs a result, I totally changed my _. As I have grown older I have also grown _.shapesmallermemoryshapePara 3: Since the 1970s many new applications have been found for me.communicationfinancetraderobotsmobile phonesmedical operationsspace rocketsAnyhow, my goal is to provide humans with a life of high quality.How does computers provide humans with a life of high quality? With the help of computers, we can.Which of the following played a more important role in the changes of computers?A. changes in functionB. changes in sizeC. changes in memoryD. changes in applicationThese changes only became possible as my memory improved.further understandingIdevelopedveryslowlyandIttooknearlytwohundredyearsbeforeIwasbuiltasananalyticalmachinebyCharlesBabbage.Computers have always developed rapidly.That depends.“I am a devoted friend and helper of the human race” Suppose you were a computer below. Make a self-introduction in groups of four. Student 1: a calculating machineStudent 2: an analytical machineStudent 3: a universal machine Student 4: a laptopGroup workGood morning, we are happy here to give you this self-introduction. (together)I am a calculating machine. I was bornI could I developed very slowly .this is my son analytical machine .Hey, Long time no see . Im glad to tell you Im no longer simple-minded and I could think andHi ! My name is universal machine. My real Father is .I cansolve from then on.Hello, I am the most amazing one- laptop. Thanks to the network , I make a lot of friends. Our friend human race uses us to .Follow this: Our life have been changed by computers. They make our life more colorful and convenient.BUT Dont forget that computers are just tools.Never ignore the people around you.Dont get controlled by computers.Homework1.Read the whole text for at least three times and underline important words and phrases.2.Summarize the development of computers.3.Finish exercise 1&2 on P20.