unit3 computers reading
文档属性
| 名称 | unit3 computers reading |  | |
| 格式 | rar | ||
| 文件大小 | 2.5MB | ||
| 资源类型 | 教案 | ||
| 版本资源 | 人教版（新课程标准） | ||
| 科目 | 英语 | ||
| 更新时间 | 2007-12-24 07:14:00 | ||
图片预览
文档简介
课件29张PPT。 Unit 3
ComputersThe development of the calculating machine:An abacusA huge computerA calculatorA PCA notebook
computerMonitorFloppy diskPrinterCD-ROMKeyboardMouseModemSpeakerChipA personal computer (PC)Scannerkeyboardmousemodemscannerprinterspeakerhard discCD / DVD-ROMmonitorchips
/motherboardfloppy discCPUFunctions?Mouse, keyboard, scannerMonitor, printerFloppy disk, hard disk, CD-ROMCPUInput dataoutput dataStore datadeal with … When we introduce a new invention, such as the robot, what information should be included?Date,
founder/father,
shape/size,
fun_ction, development …Date,
founder/father,
shape/size,
calculating machineThe development of computeronly calculateanalytical machinefollow instructions from …universal machinesolve any mathematical problemThe development of computerconnected by networkClever and quickerShare … with…, talk totalk to … BASICPCdeal with … & communicate with …the size of a large roomThe first Computer (calculating machine)the size of a large roomSmaller & thinnera notebook computerartificial intelligencethe size of a large roomSmaller & thinnersimple In what order is the writing arranged?
What is the main idea of the text?
Disadvantages?
Some young people are easily addicted to (上瘾）the games.
Ｕsing computers too long is bad for eyes and neck.
Hackers (黑客) do computer crimes and steal important information.
Computer viruses (病毒) are spread.
The young tend to be cheated. Disadvantages?
6. Bad websites pollute children’s mind.
7. The young will pay less attention to handwriting.
8. Women can’t enjoy window-shopping.
9. The sudden breakdown of computer brings great loss. How to avoid(避免)the disadvantages and make good use of computer?
Tips: Do not… Do not tell others your private information, such as ID number, telephone number and address.
Do not visit some unsafe website.
Do not download(下载) some unknown files(文件).
Do not spread rubbish e-mails. How to avoid the disadvantages and make good use of computer?
Tips: Do not…5. Do not spend too much time surfing in the internet.
6. Do not use computer just for entertainment (娱乐) .The development of computerTry to use as many passive voice
as possible in your speech.
For example,
In 1642, computer was only built
as a calculating machine, so it could
only be used to calculate. In 1822…
As the years have gone by, I have been made smaller and smaller.
Since then, my family and I have been used by billions of people to deal with information and communicate with each other around the world by the internet.
I have truly been built to serve the human race since my birth. 1. in common:
have something in common
have a lot in common
have nothing in common
have little in common simple-minded
absent-minded
open-minded
narrow-minded
single-minded
strong-minded
weak-minded头脑简单的; 笨的
心不在焉的
虚心的, 没有偏见的
心胸狭窄的
一心一意的
意志坚强的
低能的, 愚蠢的
6. anyway 无论如何
anyhow
I don’t care what you say; I’m going to do it anyway.
I am afraid I am to busy to join in the discussion, thanks for your invitation anyway.
I couldn’t persuade him to put his heart into study anyway, which made me very upset.
7. go by: (of time) pass e.g. As time goes by, many things have
Changed.
With the time going by,…5. deal with
do with
How do you deal with your unfinished homework?
What do you do with your unfinished homework?One of the greatest
advancements in modern
technology has been the
Invention of computers.
ComputersThe development of the calculating machine:An abacusA huge computerA calculatorA PCA notebook
computerMonitorFloppy diskPrinterCD-ROMKeyboardMouseModemSpeakerChipA personal computer (PC)Scannerkeyboardmousemodemscannerprinterspeakerhard discCD / DVD-ROMmonitorchips
/motherboardfloppy discCPUFunctions?Mouse, keyboard, scannerMonitor, printerFloppy disk, hard disk, CD-ROMCPUInput dataoutput dataStore datadeal with … When we introduce a new invention, such as the robot, what information should be included?Date,
founder/father,
shape/size,
fun_ction, development …Date,
founder/father,
shape/size,
calculating machineThe development of computeronly calculateanalytical machinefollow instructions from …universal machinesolve any mathematical problemThe development of computerconnected by networkClever and quickerShare … with…, talk totalk to … BASICPCdeal with … & communicate with …the size of a large roomThe first Computer (calculating machine)the size of a large roomSmaller & thinnera notebook computerartificial intelligencethe size of a large roomSmaller & thinnersimple In what order is the writing arranged?
What is the main idea of the text?
Disadvantages?
Some young people are easily addicted to (上瘾）the games.
Ｕsing computers too long is bad for eyes and neck.
Hackers (黑客) do computer crimes and steal important information.
Computer viruses (病毒) are spread.
The young tend to be cheated. Disadvantages?
6. Bad websites pollute children’s mind.
7. The young will pay less attention to handwriting.
8. Women can’t enjoy window-shopping.
9. The sudden breakdown of computer brings great loss. How to avoid(避免)the disadvantages and make good use of computer?
Tips: Do not… Do not tell others your private information, such as ID number, telephone number and address.
Do not visit some unsafe website.
Do not download(下载) some unknown files(文件).
Do not spread rubbish e-mails. How to avoid the disadvantages and make good use of computer?
Tips: Do not…5. Do not spend too much time surfing in the internet.
6. Do not use computer just for entertainment (娱乐) .The development of computerTry to use as many passive voice
as possible in your speech.
For example,
In 1642, computer was only built
as a calculating machine, so it could
only be used to calculate. In 1822…
As the years have gone by, I have been made smaller and smaller.
Since then, my family and I have been used by billions of people to deal with information and communicate with each other around the world by the internet.
I have truly been built to serve the human race since my birth. 1. in common:
have something in common
have a lot in common
have nothing in common
have little in common simple-minded
absent-minded
open-minded
narrow-minded
single-minded
strong-minded
weak-minded头脑简单的; 笨的
心不在焉的
虚心的, 没有偏见的
心胸狭窄的
一心一意的
意志坚强的
低能的, 愚蠢的
6. anyway 无论如何
anyhow
I don’t care what you say; I’m going to do it anyway.
I am afraid I am to busy to join in the discussion, thanks for your invitation anyway.
I couldn’t persuade him to put his heart into study anyway, which made me very upset.
7. go by: (of time) pass e.g. As time goes by, many things have
Changed.
With the time going by,…5. deal with
do with
How do you deal with your unfinished homework?
What do you do with your unfinished homework?One of the greatest
advancements in modern
technology has been the
Invention of computers.