人教新课标必修2 Unit 3 Computers reading课件 (15张PPT)
文档属性
| 名称 | 人教新课标必修2 Unit 3 Computers reading课件 (15张PPT) |  | |
| 格式 | zip | ||
| 文件大小 | 2.6MB | ||
| 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 | 2019-06-24 17:52:06 | ||
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课件15张PPT。Unit3 Computers WHO AM I?Reading
How to find the topic sentence?
Exposition 说明文Topic sentencethinking? How to find it?What is topic sentence?
Over time I have been
changed
quite a lot 1642
The computer began as
a calculating machine. 1822
The analytical machine
was made by Charles
Babbage. 1936
Alan Turing’s
universal machine 1940s
The computer had
grown as large as a
room 1960s
Family of computers
was connected to each
other. 1970s
PC & laptop were used in offices and homes.Now
Computers
connect people
all over the
world together.transistorschipsnetworkWorld Wide WebThesechangesonly became
possibleas my memory improvedtubesI have a memory like an elephant.
= I have a good memory and will never forget
things.APPSince the
1970smanynew applicationshave been foundfor mecommunicationtrade medical operations space rocketsmobile phonerobotsFinanceAPPSupporting details calculating machine
analytical machine
universal machine
PC
laptopmemory
tubes
transistors
chips
network
WWWcommunication
finance
trade
robots
space rockets
mobile phone
medical operations1. Over time I have been changed quite a lot.
2. These changes only became possible as my memory improved.
3. Since the 1970s many new applications have been found for me.historydevelopmentusesmain idea of the textThis text told us the _______ and the ______________ of computers , mainly to express its widely _______. Topic sentenceMain ideahistorydevelopmentusesExercises time
How to find the topic sentence?
Exposition 说明文Topic sentencethinking? How to find it?What is topic sentence?
Over time I have been
changed
quite a lot 1642
The computer began as
a calculating machine. 1822
The analytical machine
was made by Charles
Babbage. 1936
Alan Turing’s
universal machine 1940s
The computer had
grown as large as a
room 1960s
Family of computers
was connected to each
other. 1970s
PC & laptop were used in offices and homes.Now
Computers
connect people
all over the
world together.transistorschipsnetworkWorld Wide WebThesechangesonly became
possibleas my memory improvedtubesI have a memory like an elephant.
= I have a good memory and will never forget
things.APPSince the
1970smanynew applicationshave been foundfor mecommunicationtrade medical operations space rocketsmobile phonerobotsFinanceAPPSupporting details calculating machine
analytical machine
universal machine
PC
laptopmemory
tubes
transistors
chips
network
WWWcommunication
finance
trade
robots
space rockets
mobile phone
medical operations1. Over time I have been changed quite a lot.
2. These changes only became possible as my memory improved.
3. Since the 1970s many new applications have been found for me.historydevelopmentusesmain idea of the textThis text told us the _______ and the ______________ of computers , mainly to express its widely _______. Topic sentenceMain ideahistorydevelopmentusesExercises time