Unit 3 Computers Period 1 Reading
学习目标：
1.了解电脑的发展历史,掌握与电脑有关的科技词汇。
2.全面培养学生的阅读能力,重点培养概括段落大意和理解文章主旨大意的能力。
重点：
培养学生的阅读能力
难点：
怎样做跳读和寻读
教学过程：
Step1：Lead-in
Computers have developed fast lately,儿童画动物so are you interested in exploring more detailed information?
Step2：Reading
Skimming
Read the text quickly and try to find out the topic ntence for each paragraph.
Matching work:
Topic ntences | Paragraphs |
慢性咽炎除根1.The changes only became possible as my memory improved. | Paragraph 1 |
2.Since the 1970s many new applications have been found for me. | Paragraph 2 |
3.Over time I have been changed quite a lot. | Paragraph 3 |
| |
Scanning
Draw the timeline (时光轴)and find the relevant(相关的)events.
The computer began as a calculating machine.
1822 .
1936 .
The computer has grown as large as a room.
1960s .
1970s Computers were ud in offices and homes.
Now .
Careful reading
A. Read through the text carefully and then fill in the blanks.
Although he was young, he could (1) difficult (2) .After two hundred years he was built as an (3) machine by Charles Babbage.He could think (4) .It was considered as a (5) revolution and start of his (6) intelligence.By the 1940s he grew as large as a room,This (7) worried his designers.As time (8) by,he was made smaller.First as a (9) computer (PC),then a laptop.
With time going by,his memory improved too.
As a result he (10) changed his shape.Over time his memory became (11) large (12) even he himlf couldn’t believe it!Since the 1970s many new (13) have been found for him.He has even been put into (14) and nt to (15) the Moon and Mars.Anyhow he knows his (16) is to provide humans with a life of high quality.
B.Read the text again and then do the true or fal exercis.
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.After I got my new transistors in the 1960s,I became smaller but cleverer and quicker.( )
4.I was brought into people’s homes in the 1970s.( )
5.Since my birth I have been built to take the place of human race.( )
Step 3芜湖特色. Consolidation
Read the text carefully again and complete the following charts.
| 一本和二本的区别>刘丽云Paragraph 1 | Paragraph 2 | Paragraph 3 |
Topic ntence | Over time I have been changed quite a lot. | The changes only became possible as my memory improved. | Since the 1970s many new applications have been found for me. |
Supporting details | 1.calculating machine 2.analytical machine 3.universal machine 4.PC 5.laptop | 1. 2. 3. 4. 5. | 1. 2. 3. 4. 5. 6. 7. 8. |
| | | |
Step 4.Post-reading
Have a debate:
Computers have good effects on our life.
You may
1.Great changes have taken place since computers came into people’
2.
3.By using computers,we
4.We can’t
5.I don’
6.with the
7.As a result,it...
8.Computers
9.so...
10.I don’t think there is anything
Some uful words,phras and ntence patterns
anyhow, from then on, totally, however, in a way, personally, over time | in my opinion, what’s more, what’s wor, in addition, all in all |
开关矩阵 | |
Homework:
Read the text again and under the difficult words and ntences that you don’t understan
d.
Reading参考答案
Skimming
Topic ntences | Paragraphs |
1.The changes only became possible as my memory improved. | Paragraph 2 |
2.Since the 1970s many new applications have been found for me. | Paragraph 3 |
3.Over time I have been changed quite a lot. | Paragraph 1 |
| |
Scanning
1642 The computer began as a calculating machine.
1822 The analytical machine was made by Charles Babbage.
1936 The computer grew rapidly both in size and in brainpower.
1940s The computer had grown as large as a room.
1960s The first family of computers were connected to each other.
1970s Computers were ud in offices and homes.
Now Computers have connected people all over the world.
Careful reading
A.(1) simplify (2) sums (3) analytical (4) logically (5) technological (6) artificial (7) reality (8) went (9) Personal (10) totally (11) so (12) that (13) applications (14) rockets (15) explore (16) goal
B.(1)F (2)F (3)T (4)T (5)F
Step 3 写父爱的作文Consolidation
Paragraph 2 1. tubes 2. transistors 3. chips 4. network 5. World Wide Web
Paragraph 3 1. communication 2. finance 3. trade 4. robots提供帮助英语 5. mobile phones 6. medical operations 7. space rockets 8. providing a life of high quality
