1、Unit 3Warming up and readingBy Yang Beileidrivesmonitorkeyboardmain unitmousespeakersCD-ROMsCan you name each part in English?How do we use computers and the Internet?type and print calculatecommunicate with people all over the worldhelp us learn better and fastertreat patients operate railways or s
2、paceshipsPDAabacuscalculatorhuge computerPClaptopWhats next?Can you tell the development of computers?robotPre-readingRead and answer the questions.1.Who is the speaker in this story?Skimming 2.Whats the main idea of this passage?A.The development of computers.B.The development and use of computers.
3、C.A machine which is simple-minded.D.Computers may replace human race.A computer.While-readingCareful reading Para 1Para 2Para 3These changes only became possible as my memory improved.Since the 1970s many new applications have been found for me.Over time I have been changed quite a lot.Match the ma
4、in ideas and the paragraphs.1.In 1642 I began as a calculating machine and could solve any mathematical problem.2.My real father was Charles Babbage,who wrote a book and built me in 1936.3.I was brought into peoples homes in the 1970s.4.Since my birth I have been built to take the place of human rac
5、e.FFTFCheck the sentences are true or false.Scanning1.Who was the first person to make the earliest computer?A.Alan Turing.B.Charles Babbage.C.Charles Turing.D.Alan Babbage.2.When was the“universal machine”built?A.In 1822.B.In 1642.C.In 1936.D.In 1970.ScanningReading Comprehension 3.When was the com
6、puter the biggest?A.In 1642.B.In 1936.C.In the 1940s.D.In the 1970s.4.How old is the computer?A.About 170 years old.B.About 270 years old.C.About 370 years old D.About 470 years old.Scanning16421822 The analytical machine was made by Charles Babbage.1936The computer began as a calculating machineThe
7、 computer grew rapidly both in size and in brainpower.Read the text carefully and fill in the tables.Post-reading 1940sThe first family of computers was connected to each other.1970s nowComputers had grown as large as a room.1960sComputers were used in offices and homes.Computers connect people all
8、over the world together.Every coin has two sides,so does the Internet.Talk about the advantages and disadvantages about it to our students.advantagesdo readingdraw picturesplay gamescommunicate with my friendsgather information listen to musicwatch movies doshopping 1.Bad for our eyes and health 2.A
9、 waste of time and money 3.Make people isolate from their friends4.Some people use the computer wrongly.5.Some people especially the teenagers abandon(沉迷于)themselves to the computer games and chatting on the Internet.As a result,they have little time to study.disadvantages Retell the text by filling
10、 the following blanks.I began as a _ _ in 1642 in France.In 1822 I was built as an_ _.Then in 1936 Alan Turing wrote a book and built a _ _.As the years have gone by,I have been made _ and _ but I became _ and _.Quiz In the _ they gave me a family connected by a _.Now people call it the _.I have bee
11、n used in _ and _ since the 1970s.So I became PC.Since my _ I have truly been built to serve the _ _.I began as a _ _ in 1642 in France.In 1822 I was built as an_ _.Then in 1936 Alan Turing wrote a book and built a _ _.As the years have gone by,I have been made _ and _ but I became _ and _.calculati
12、ng machineanalytical machinemachineAnswer:universalsmallersmallerclevererquickerIn the _ they gave me a family connected by a _.Now people call it the _.I have been used in _ and _ since the 1970s.So I became PC.Since my _ I have truly been built to serve the _ _.network1960sInternethumanraceoffices
13、homesbirthRetell 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 Internet
