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1、Unit3ComputersReading1公开课bookunitcomputersreadingThe amazing future we saw in the video come from the following ordinary objects:Do you want to know our future life?2公开课bookunitcomputersreadingDo you know who I am?C machinealculatingWarming up: 3公开课bookunitcomputersreadingDo you know who I am?A mach
2、ine nalytical4公开课bookunitcomputersreadingDo you know who I am? U machineniversal5公开课bookunitcomputersreadingDo you know who I am?iPad is one type of c . omputers6公开课bookunitcomputersreadingMobile phone Do you know who I am?7公开课bookunitcomputersreadingDo you know who I am? L .aptop 8公开课bookunitcomput
3、ersreading9公开课bookunitcomputersreadingStudy the title: “Who am I ?”Computer.What do you think this text is about?10公开课bookunitcomputersreadingSkimming(略读略读)to findtopic sentence of each paragraphSkimming12公开课bookunitcomputersreadingOver time I have been changed quite a lot.These changes only became
4、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 sentence13公开课bookunitcomputersreadingScanning（找读）（找读） to find Information through key wordsscanning14公开课bookunitcomp
5、utersreadingAlan 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
6、 been used in offices and homes.1642 1822 1936 1960s 1970s Now Finish the timeline.16公开课bookunitcomputersreadingTopic sentenceSupporting details17公开课bookunitcomputersreadingcalculating machineanalytical machineuniversal machinePC( desktop)laptopPara 1: Over time I have been changed quite a lot.Caref
7、ul Readingtype18公开课bookunitcomputersreadingSimplify difficult sumsThink logically and produce an answer quicklySolve any difficult mathematical problem Used in offices and homesanalytical machineuniversal machinecalculating machinePC/laptopMatchingfunction19公开课bookunitcomputersreadingPara 2: These c
8、hanges 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 _.shapesmallermemoryshape20公开课bookunitcomputersreadingPara 3: Since the 1970s many new applications have been found for municati
9、onfinancetraderobotsmobile phonesmedical operationsspace rocketsAnyhow, my goal is to provide humans with a life of high quality.22公开课bookunitcomputersreadingHow does computers provide humans with a life of high quality? With the help of computers, we can.23公开课bookunitcomputersreadingWhich of the fo
10、llowing 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 understanding24公开课bookunitcomputersreadingI developed very I developed very slowlyslo
11、wly and It took nearly two hundred and It took nearly two hundred years before I was built as an analytical machine by years before I was built as an analytical machine by Charles Babbage. Charles Babbage. Computers have always developed rapidly.25公开课bookunitcomputersreadingThat depends.“I am a devo
12、ted friend and helper of the human race”26公开课bookunitcomputersreading 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 work27公开课bookunitcomputersreadi
13、ngGood 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 univer
14、sal 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: 28公开课bookunitcomputersreadingOur life have been changed by computers. They make our life more colorful and
15、 convenient.BUT Dont forget that computers are just tools.Never ignore the people around you.Dont get controlled by computers.29公开课bookunitcomputersreadingHomework1.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 P20.30公开课bookunitcomputersreading
