《8AU3ReadingA4稿》由会员分享，可在线阅读，更多相关《8AU3ReadingA4稿（29页珍藏版）》请在金锄头文库上搜索。
1、 Warming up Warming upUnit 3 Modern machines Unit 3 Modern machines Reading: ComputersReading: Computers 授课者：林李华授课者：林李华 （广州市第十六中学）（广州市第十六中学） Pre-reading (1)Pre-reading (1) Brain-storming:Brain-storming: What can a computer do? ? ? ? ?typecalculate play video/musicplay gamesprintdraw picturesTony has
2、 collected some information to write an Tony has collected some information to write an article about computers. Now he wants your article about computers. Now he wants your opinions. opinions. Do you agree or disagree with the Do you agree or disagree with the following?following? Discuss in pairs.
3、 (2 min)Discuss in pairs. (2 min)1. Computers are inside many machines in 1. Computers are inside many machines in our homes.our homes.2. Computers can do difficult jobs like 2. Computers can do difficult jobs like flying spaceships. flying spaceships. 3. Computers are already cleverer than 3. Compu
4、ters are already cleverer than people.people. Pre-reading (2)Pre-reading (2) Does Tony have the same opinions Does Tony have the same opinions with you?with you?Read through A2 and try to find out Tonys Read through A2 and try to find out Tonys opinions.opinions. (P34)(P34) While-reading (1) While-r
5、eading (1)1. Hidden helpersNot so many years ago, you hardly ever saw computers. Now they seem to be everywhere.There are also many hidden “computers” in your home, but you might be unaware of them. For example, there may be one inside your TV set, telephone or washing machine. You are more dependen
6、t on computers than you know.1. Computers are inside 1. Computers are inside many machines in our many machines in our homes.homes.There are also many hidden “computers” in your home,Does Tony have the same opinions Does Tony have the same opinions with you?with you? While-reading (1) While-reading
7、(1)2. Computers can do difficult jobs like 2. Computers can do difficult jobs like flying spaceships.flying spaceships.2. What kind of jobs can a computer do?Computers are probably the best calculators in the world. They are faster at calculating than people, and they rarely give wrong answers. They
8、 can also type, print and draw things like diagrams and graphs. They can teach you many things and also play games with you. More importantly, they can operate railways (like the underground) and fly planes and spaceships. For these reasons, we sometimes call them “electronic brains”. More important
9、ly, they can operate railways (like the underground) and fly planes and spaceships. Does Tony have the same opinions Does Tony have the same opinions with you?with you? While-reading (1) While-reading (1)3. Computers are already cleverer than 3. Computers are already cleverer than people.people.3. I
10、s a computer cleverer than I am?The answer to this question is, for the time being, “No”. You have greater understanding of the meaning of things than computers and can also create new ideas of your own. However, one day computers may be able to do more things than a human brain. In the future, they
11、 may even be better at doing their jobs than doctors, judges and teachers.This raises interesting questions. How will computers change our lives? Will we have nothing to do? Will computers make our lives better or worse in the future? The answer to this question is, for the time being, “No”.The impo
12、rtant information of each The important information of each passage:passage:Passage1: _ Passage1: _ Passage2:_Passage2:_Passage3:_Passage3:_There are many hidden “computers” in your home.More importantly, they can operate railways (like the underground) and fly planes and spaceships. The answer to t
13、his question is, for the time being, “No”. While-reading (1) While-reading (1) (like the underground)railwaysRead A2 again and try to find out the Read A2 again and try to find out the examplesexamples While-reading (2) While-reading (2)1. S1 There may be hidden computers in your 2. home. S2 Where,
14、for example? S1 Inside your _ _, _ or _ _.TVsettelephonewashingmachineExamples can help to explain Examples can help to explain something and make our ideas clearer. something and make our ideas clearer. Read A2 again and try to find out the Read A2 again and try to find out the examples - examples
15、- Ex.A3 Ex.A3 (P35)(P35) Work in Work in pairs.pairs. (2 min) (2 min) While-reading (2) While-reading (2)2. S1 Computers can draw things. S2 For example? S1 They can draw _ and _.3. S1 Computers can do some important jobs. S2 For example? S1 They can _ _and _ _ and _.diagramsgraphsoperateflyrailways
16、planesspaceshipsComputers can also Computers can also draw:draw: 曲线图、坐标、图表（数学）曲线图、坐标、图表（数学）图解图解diagramdiagramgraphgraph4. S1 A human brain can do some things better than a computer. S2 For example? S1 The brain can _ _ _.5. S1 In the future, computers may do some jobs better than people. S2 What job
17、s, for example? S1 They may be better at doing jobs than _,_ and _. createnewEx.A3 Give examples (P35)Ex.A3 Give examples (P35)ideasdoctorsjudgesteachers While-reading (2) While-reading (2) a judge -a person who decides things in a court of law法官法官法官法官Read A2 carefully and find out sentences Read A2
18、 carefully and find out sentences with the same meanings from the text.with the same meanings from the text. (2 min) (2 min) 1. There are many hidden computers in your home, but you might not notice them. 2. You dont know how much you need computers. 3. Your brain can understand the meaning of thing
19、s better than computers. 4. This makes people think of many interesting questions. While-reading (3) While-reading (3)Find out sentences from the text. Find out sentences from the text. 1. There are many hidden computers in your home, but you might not notice them. There are many hidden computers in
20、 your home, but you might be unaware of them. 2. You dont know how much you need computers. You are more dependent on computers than you know. While-reading (3) While-reading (3)3. Your brain can understand the meaning of things better than computers. You have greater understanding of the meaning of
21、 things than computers. 4. This makes people think of many interesting questions. This raises interesting questions. Find out sentences from the text. Find out sentences from the text. While-reading (3) While-reading (3)Anything you are not sure in A2?Anything you are not sure in A2?2. What kind of
22、jobs can a computer do?Computers are probably the best calculators in the world. They are faster at calculating than people, and they rarely give wrong answers. They can also type, print and draw things like diagrams and graphs. They can teach you many things and also play games with you. More impor
23、tantly, they can operate railways and fly planes and spaceships. For these reasons, we sometimes call them “electronic brains”. While-reading (3) While-reading (3)1. Hidden helpersNot so many years ago, you hardly ever saw computers. Now they seem to be everywhere.There are also many hidden “compute
24、rs” in your home, but you might be unaware of them. For example, there may be one inside your TV set, telephone or washing machine. You are more dependent on computers than you know.rarely the best calculatorsgive wrong answershardly3. Is a computer cleverer than I am?The answer to this question is,
25、 for the time being, “No”. You have greater understanding of the meaning of things than computers and can also create new ideas of your own. However, one day computers may be able to do more things than a human brain. In the future, they may even be better at doing their jobs than doctors, judges an
26、d teachers.This raises interesting questions. How will computers change our lives? Will we have nothing to do? Will computers make our lives better or worse in the future? While-reading (3) While-reading (3)Anything you are not sure in A2?Anything you are not sure in A2?1. Read fast and get the main
27、 idea for each passage. Passage1: How_? Topic sentence:Passage2:What_? Reading B (1) P36 Reading B (1) P36B2 More information about computers B2 More information about computers to give a computer instructionscan CD-ROMs or DVD-ROMs doWe give a computer instructions by putting different programs int
28、o it.Read B2 again and do T or F (2 Read B2 again and do T or F (2 min): min): ( )1. Its essential for programmers not to make mistakes. ( )2. Programmers use the same language to write different programs. ( )3. Computer language are so easy that everyone can understand them. ( )4. A DVD-ROM can hol
29、d plenty of infor- mation, including pictures and sounds. FTTF Reading B (2) Reading B (2)essential Post-reading (1) Post-reading (1) Look back to Reading A & B:Look back to Reading A & B:1. 1.What have we learnt from these passages? What have we learnt from these passages? 2. The main idea for each
30、 passage in Reading A:2. The main idea for each passage in Reading A:Passage1: _ Passage1: _ Passage2:_Passage2:_Passage3:_Passage3:_There are many hidden computers in your home.Computers can do a lot of things.Is a computer cleverer than human beings? Post-reading (2) Post-reading (2) How to give H
31、ow to give supporting informationsupporting information? ? Lets draw the Lets draw the outlineoutline ( (提纲提纲提纲提纲) for the ) for the passages. passages. (8) have greater understanding of (9) No, for the time being (10) raise interesting questions(11) can operate,fly(12) can teachplay games(1) can cr
32、eate (2) for example(3) be unaware of(4) in the future,may(5) be more dependent of(6) the best calculator (7)(7) can type, print, draw Post-reading (2) Post-reading (2) How to give How to give supporting informationsupporting information? ? Lets draw the Lets draw the outlineoutline ( (提纲提纲提纲提纲) for
33、 the ) for the passages. passages. Topic sentence Supporting information Topic sentence Supporting information _ _Passage1: _Passage1: _ _ _ _ There are many hidden computers in your home.-be unaware of-for example-be more dependent on Post-reading (3) Post-reading (3)Group workcomplete the outlines
34、:Group workcomplete the outlines: Main idea (topic sentence) Supporting information Main idea (topic sentence) Supporting information _ _Passage( Passage( 2 2 ): ): _ _ _ _ _ Computers can do a lot of things. _ _Passage( Passage( 3 3 ): ): _ _ _ _ _ Is a computer cleverer than human beings?Assignmen
35、t: Group work Now its your turn to write a short passage about computers. First decide your topic. eg: surf the internet, an e-mail box Bill Gates Assignment: Group work Then you can begin to draw your outline. Main idea (topic sentence) Supporting informationMain idea (topic sentence) Supporting in
36、formation _ _ _ _ _ _ _ _ _ Homework Homework 1. Finish writing your outline about computers. 2. Complete the sentences in B1 in the students books.3. Read aloud the new words and the text.4. Talk in groups of four: Will computers make our lives better or worse in the future? And tell your reasons.Thats all for today.Thank you for your listening. Good-bye!
