课件42张PPT。WelcomeDescribe & Guess Several pairs of students will be chosen from the whole class. Each pair has two students. One student stands on the platform with his / her back to the screen. The other one describes the thing on the screen. He / she can’t use the direct words of the things to describes it. After his / her description, the student standing on the platform gives his / her own answer. Only English is allowed.Task 1 A gamenotebook computer Internetradiomp3 playermobile phoneair-conditionerTV setrefrigerator (fridge)digital camerarobot (android)planecarLook at each picture :
1. What is it in the picture?
2. Use a sentence to describe it.Task 2 Watch and TalkAn abacus is an old calculating machine used in China until now.an abacusA huge computer is built to solve some mathematical problems. But it is too big.a huge computera calculatorA calculator is a new calculating machine which can solve a large number of mathematical problems.a PC (personal computer)A PC is a personal computer which can solve all kinds of problems and is widely used now.floppy discchipsmonitormodemCD-ROMscannerkeyboardprinter1 A monitor is
2 The screen is
3 A keyboard is
4 A mouse is
5 A CD-ROM is
6 A hard disk is (a) the part of a computer that stores information.
(b) the part of the computer that you type on.
(c) the part of the computer that looks like a television
(d) something you use to click on things (files, etc.).
(e) the part of the monitor that you look at.
(f) a separate disk that contains lots of information.Match the words with their meanings.CPUhard discCD / DVD-ROMCRT monitorchipsLCDkeyboardmousemodemscannerprinterspeakerfloppy discUSB flash discCD/DVD/VCDMP3 playerA notebook computerA notebook computer is a kind of useful computer which can be taken conveniently like a notebook.Talk: (What do they have in common?)I think that…
In my opinion…
I believe that…
What’ s your reason?
Why do you think so?Have the computer and Internet become part of your life?
What can you use them to do?Task 3 DiscussionComputer and Internet send e-mailsdraw picturesplay gamescommunicate with my friendsgather information for my lessonslisten to the musicwatch moviesbuy things I likeHow to make good use of the computer and the internet?Summary1. The development of the computer
2. The usage of the computer and the internet.The development of the computer:an abacus
a calculator
a huge computer
a PC
a notebook computer1. send e-mails
2. draw pictures
3. play games (pay attention to the time)
4. watch movies
5. communicate with my friends
6. gather information for my lessons
7. listen to the music
8. buy things I likeThe usage of the computer and the internet. Preview the Reading passage and underline the difficult points.HomeworkTask 5 ListeningListen to the tape. Find the three robots from the following pictures and number them.123ABCDUnit 3Reading
Who am I?Fast Reading:
1. Who was the first person to devise(想出) the earliest computer?
2. What did he make and what did it do?
3. Who was the next important person to design computers? Scan the text and then answer the following questions:
1.Who is the speaker?
2.What the text might be about?It is a computer.The history / development/ applications of computers.1.Who is the speaker ?2.What the text might be about?Find out three sentences to support who the speaker is in the story.1.Then in 1822 I was built ….
(Itself was the first design of a computer)2.My real father was Alan Turing.
(He designed the first real computer.)3.However, people thought I was simple-minded until….,
(It has artificial intelligence.)Task 2 Comprehending1. Where were you in 1642?
In France.
2. What happened to you in 1822?
I was built as an Analytical Machine by Babbage.
3. What were you called in 1936?
A universal machine.
4. What happened to you in the 1970s?
I was brought into people’s homes.Fill in the blanks with information from the reading :According to the timeScanningTimeline1642: ____________________________________
____: The Analytical Machine was made by Charles Babbage.
1936: ____________________________________
1960s:____________________________________
____: The first family of computers was connected to each other.
1970s: ___________________________________
Now: ____________________________________
The computer began as a calculating machine.1822Alan Turing wrote a book to describe how computer could be made. Computers had new transistors and become smaller. 1960sComputers were brought into people’s homes.Computers connect people all over the world together.Explain how the computer technology has been developing and complete the following chart. Then give a brief oral presentation on the development of computer technology with the help of the chart.Detailed readingcalculating machineanalytical machineuniversal machineartificial intelligencePC (desktop/ notebook)Internet? Only calculating Following instructions from cards with holes Solving any mathematical problem Having artificial intelligenceClever and quicker Talking to humansConnecting peopleReading – IV ( 3m )Discuss in pairs and work out the changes of the computer abilities.TIPSThe main idea:
The text tells us that computers progress from the calculating machine to the machine with artificial intelligence.Discuss in groups of four and work out the main idea of the the passage.Reading – V ( 2m )Something to think about: Topic
The Internet
Advantages:
Disadvantages:debateTIPSSome words on the Internet:1. What is PC? Speak the name on the whole.It means: personal computer.2. What is IT?Information Technology.3. What is CD-ROM?Compact disc read-only memory.4. What is DVD?Digital Video Disc.5. What is W.W.W?World wide web.6. 科学技术。Science and technology.7. 人工智能。Artificial intelligence.8.笔记本电脑。Notebook computer.9. Who was the first person to devise the first computer? Charles Babbage invented an Analytical machine in 1822.10. Who was the computers’ real father?Alan Turing.Unit 3 Warming up Teaching Plan
Ⅰ. Teaching Aims:
1. Learn some professional information about computers.
2. Enable the students to talk about and describe computers in English.
3. Teach the students how to make good use of the internet in order to let them have a good and right attitude towards surfing the internet.
Ⅱ. Teaching important and difficult points:
Lead the students to the right direction of using computes and the internet.
Ⅲ. Teaching Process:
1. Greeting and duty report.
2. Lead in:
Task 1 A game Describe and Guess
Several pairs of students will be chosen from the whole class. Each pair has two students. One student stands on the platform with his / her back to the screen. The other one describes the thing on the screen. He / she can’t use the direct words of the things to describes it. After his / her description, the student standing on the platform gives his / her own answer. Only English is allowed.
Things to be guessed:
notebook computer radio mp3 player internet mobile phone air-conditioner
refrigerator plane car digital camera robot
Task 2 Watch and Talk
(1). Show several pictures and ask the students to use a sentence to describe it.
Teacher takes “an abacus” for example.
We have 5 pictures. When we talk about the PC, Teacher teaches the students some professional words and knowledge about computers.
(2). Talk: What do they have in common?
Use the following expressions:
I think that… In my opinion… I believe that…
What’s your reason? Why do you think so?
Task 3 Discussion
Questions:
(1). Have the computer and Internet become part of your life?
(2). What can you use them to do?
Ask the students to discuss “How to make good use of the internet?”
Summary
(1). The development of the computer
(2). The usage of the computer and the internet
Ⅳ. Homework
Preview the reading passage and underline the difficult points.
Ⅴ. Play a funny Christmas flash to give the Christmas regards.
