人教版高一英语必修二Unit 3 Computers Reading课件(34张)

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名称 人教版高一英语必修二Unit 3 Computers Reading课件(34张)
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版本资源 人教版(新课程标准)
科目 英语
更新时间 2020-02-23 21:43:02

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课件34张PPT。Unit 3Unit 3 ComputersHeavy!
Difficult!
Hard!
Tired!Warming upEasy!
Fast!
Free!monitorkeyboardmousespeakermodemscannerprinterUSB flash dischard discLabel each part.monitorscreenCD-ROMmousekeyboardhard disk1. Look at these pictures. In pairs discuss
what they have in common.
2. What do they tell you about the development of computers?
3. What do you think will be the next
development?What’s next?1. Look at the title of the reading passage. Predict what it is going to be about.
2. Do you know in what ways computers are used today? Work out a list and compare it with your partner.Pre-readingSkimmingRead the text quickly.
1. Who am I?
A. An operator. B. Alan Turing.
C. A computer. D. Human race.C2. What’s the passage about?
The text mainly tells us a short history of the development of the __________ and its ____________ in different fields.? computerapplications ScanningRead the passage and finish the timeline. The computer began as a calculating machine.The computer grew rapidly both in size and in brainpower.Computers had grown as large as a room.1960s1936Computers were used in offices and homes.Computers connect people all over the world together.Read the passage again and
complete the chart below. Careful readingcalculatinganalytical universal mathematical
problemsMedical operations MemoryTransistorsApplicationsCommunicationTradeOver time I have been changed quite a lot.Calculating machine
Analytical machine
Universal machine
PC
laptopThese changes only became possible as
my memory improved.tubes
transistors
chips
network
World Wide WebSince the 1970s many new applications have been found for me.*communications *finance
*trade *robots
*mobile phones
*medical operations
*space rockets
*providing a life of high qualitythe second generation
(1956-1963)the third generation (1964-1971)the fourth generation
(1971- )The first generation (1945-1956)The history of computersSummary of the passage.
I began as a __________ machine in 1642.
It took nearly two hundred years
________ I was built as an analytical
machine. I became a “universal machine”
in 1936 to ________ any mathematical
problem. I was very big at one time. Post readingcalculatingbeforesolveHowever, as time _______ by, I was
made smaller and smaller. I was given a
family __________ by a network in the
early 1960s. I was able to _______ my
knowledge with others __________ the
World Wide Web.wentconnectedsharethroughI have been widely used in many fields,
such as in communication, _________
trade and medical __________. I have
also been put into robots and space
rockets to ________ the Moon and Mars.
I’m glad I am a devoted friend and
helper of the human race.financeoperationsexploreWhat is PC? Speak the name on the whole.It means: personal computer.2. What is IT?Information Technology.3. What is W.W.W?World Wide Web.4. 科学技术Science and technology.5. 人工智能Artificial intelligence.6. 笔记本电脑laptop How computers have changed our
lives?
1. Brainstorm a list of things that you, your school and your family use computers for.
2. Think about what you would have to do
if you could not use computers any
more.Retell the text according to the following clues and then write down your retelling.HomeworkChanges of the machineCalculating machineAnalytical machineUniversal machineMachine with artificial intelligenceMachine with new transistorA family connected by a networkA family used by the InternetRetell