新人教必修二Unit3Computers-Reading[閱讀課件]

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1、Unit 3 Computers keyboard mousemonitor screenspeaker host computer What do they have in common?An abacus A calculatorA desktopA notebook computer digital camera a laptoppalmtop Reading: Who am I? Listen to the tape and answer these questions.2 Who was the first person to invent the earliest computer

2、? 3 Who was the next important person to design computers? Charles BabbageAlan Turing1 Who am I?A computer. 1642: The computer began as a calculating machine. 1822: the Analytical Machine was built by Charles Babbage.1936: Alan Turing wrote a book to describe how computer could be made.1960s: Comput

3、er had new transistors and became smaller.1970s: Computers were brought into peoples homes.Now: Computers connect people all over the world together.Scanning Calculating machineComputerInternetAnalytical machineArtificial intelligenceUniversal machineThe development of computers: Useful phrasescalcu

4、lating machineAnalytical machinecard with holestechnological revolutionuniversal machineartificial intelligencego byby internethuman race計(jì)算器分析機(jī)穿孔卡技術(shù)革命萬能機(jī),通用機(jī)器人工智能走過，過去通過網(wǎng)絡(luò)人類 The development of computers:Calculating machine Analytical machineUniversal machineArtificial intelligenceComputerInternet In

5、tensive reading: Underline the phrases we_ to each other at an international conference.A are introduced B have been introducedC were introduced D had been introduced2 Have you ever_ to the exhibition which _ for three weeks?A gone; has been shown B visited; shown C been; has been on show D went; la

6、sted3 The boy whom you lent the bike to _ by a car.A hit B be hit C having been hit D was hit 4 I want to buy that kind of cloth because I _ the cloth _ well.A have told; washed B have been told; washesC was told; washed D have been told; is washedBC D B 5 The mayor of Beijing says all construction

7、work for the Beijing Olympics_ by 2006.A has been completed B has completed C will have been completed D will have completed6 The bridge_ away by floods and the fields_ by water.A had been washed ; were coveredB has been washing ; is covered C had been washed; had coveredD has been washed; is coveri

8、ng7 It has decided that well go on a study trip to London next summer.8 How long has this book been bought?CA It has been decidedHow long ago was this book bought? Using structures It has been reported that children will be off free education. It has been reported that free education will be offered

9、 to children. It has been said that we will be offered the latest computer science course book. It has been planned that the latest computer science course book will be offered to us. I have been told by Peter that I will be lent his notebook computer for a week. I have been told by Peter that his n

10、otebook computer will be lent to me for a week. Translation1 This type/kinds of computer has been specially designed for teachers and students.2 The needs of the teachers and students have been greatly considered.3 With the help of computer, you may not find it hard to deal with and share informatio

11、n.4 Besides, you can easily communicate with people all over the world by Internet.5 This will cost a lot of money, but after all, it is worth buying a computer for every teacher.6 She uses the computer so well that she doesnt often write with a pen and paper.7 If a new situation arises, they will make up new programmes.