unit3Computers_Reading公开课
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初中英语：Unit3 Computers Reading课件
Read for the meaning
1. Discuss the new words you have found in the text
2. Understand the whole text in groups
Find the phrases in the text.
1. 在20世纪40年代 1. in the 1940s
2. They can calculate at a faster speed than we can and almost never give wrong answers.
3. In addition, computers can do important jobs like operating railways and flying planes and spaceships.
4. They may be better than doctors at doing their job.
Fill in the blanks.
1. 万物生长靠太阳。
All living things __d_e_p_e_n_d__o_n__ the sun for
their growth.
2. 他现在不依靠他父母了。
Will we have nothing to do?
Will computers make our lives better?
Problem we We may have nothing to do.
may face
Read for the wholeapFra bibliotekearance
Uses in daily life
Computers
Relationship
Unit 3 Computers Warming up and Reading精品公开课课件
Warming up and reading
Warming up
What do you know about computers ?
camera
7
monitor
screen
3
host computer
4 6 1
keyboard
5
8
2
mouse
speaker
Wireless controller
Look at the following pictures and say their English names. calculator
Early days Name Function Poor A calculating _________ Simplify Develop machine difficult sums -ment An analytical ________ Think logically machine and produce an answer quickly A _________ universal Solve difficult mathematical machine ____________ Strong problems __________
Q2: What makes the computer totally
change his size?First tubes
Then transistors At last chips.
Q3: In how many ways do we say the computer changed? What are they? • smaller •Size:
Skimming
Competition (ASK and Answer)
Warming up
What do you know about computers ?
camera
7
monitor
screen
3
host computer
4 6 1
keyboard
5
8
2
mouse
speaker
Wireless controller
Look at the following pictures and say their English names. calculator
Early days Name Function Poor A calculating _________ Simplify Develop machine difficult sums -ment An analytical ________ Think logically machine and produce an answer quickly A _________ universal Solve difficult mathematical machine ____________ Strong problems __________
Q2: What makes the computer totally
change his size?First tubes
Then transistors At last chips.
Q3: In how many ways do we say the computer changed? What are they? • smaller •Size:
Skimming
Competition (ASK and Answer)
Unit 3 Computers Reading 课件-人教必修2精品
Unit 3 Computers Reading
I. Warming up
Look at the following pictures and say their English names.
calculator
abacus
Warming up
PC
huge computer
Warming up
PDA
laptop
Warming up
robot
What’s next?
Warming up
Discuss with your partner the following questions.
• What do these pictures have in common? • What do they tell you about the development
1. tubes 2. transistors 3. chips 4. network 5. World Wide Web
While-reading
Paragraph 3: Since the 1970s many new applications have been found for me.
1. communications 2. finance 3. trade 4. robots 5. mobile phones 6. medical operations 7. space rockets 8. providing a life of high quality
This passage is about _th_e_d_e_v_e_l_o_p_m_e_n_t_o_f_c_o_m__p_u_t_er_s_.
While-reading
I. Warming up
Look at the following pictures and say their English names.
calculator
abacus
Warming up
PC
huge computer
Warming up
PDA
laptop
Warming up
robot
What’s next?
Warming up
Discuss with your partner the following questions.
• What do these pictures have in common? • What do they tell you about the development
1. tubes 2. transistors 3. chips 4. network 5. World Wide Web
While-reading
Paragraph 3: Since the 1970s many new applications have been found for me.
1. communications 2. finance 3. trade 4. robots 5. mobile phones 6. medical operations 7. space rockets 8. providing a life of high quality
This passage is about _th_e_d_e_v_e_l_o_p_m_e_n_t_o_f_c_o_m__p_u_t_er_s_.
While-reading
人教版高中英语必修二Unit 3 computers reading 公开课课件
carry things
drone
work in wars
do space research
Homework
1. Finish exercise 1 on page 20
2. Find out some sentences of the passage you don’t understand. We will discuss it in next class.
Communication finance mobile phones Trade medical operation space rockets robots
What roles do computers play in the life of human beings?
They provide humans with a life of high quality.
Read para 1 and fill in the chart. (2 mins)
Time Machine Applications
calculating A __________ machine 1822 An analytical About in _____ machine universal In 1936 A ________ machine In 1642 By the 1940s A larger machine
Since the 1970s many new applications Para III: have been found out for me.
Can you find out the main idea of this passage?
A. The development of computers. B. A machine which is simple-minded. C. The development and the applications of computers. D. Computers may replace human beings.
Unit 3 Computers Reading 课件(共74张PPT)
Unit 3 Computers
Reading
目录
1 Lead-in Pre-Reading 2
3 While-Reading Post-Reading 4
5 Review
Part I Lead-in
Getting ready
Look at the cartoon and answer the questions.
B Before you read
Look at the pictures, the title and the sub-headings of the article on
page 35. Then tick (✓) the facts that the article probably talks about.
What will happen to us if computers can do all our jobs? Will we have nothing to do? Computers may change our lives, but will they make them better?
I. Read the first part of the article and complete the table
×
Part III While-Reading
Read the text and answer the questions
Computer
Smaller and better In the 1940s, the first computers were bigger than cars. Now computers are becoming smaller and better. Some computers are tiny. You may be unaware of them. There is probably one inside your TV or washing machine. You depend on computers more than you realize.
Reading
目录
1 Lead-in Pre-Reading 2
3 While-Reading Post-Reading 4
5 Review
Part I Lead-in
Getting ready
Look at the cartoon and answer the questions.
B Before you read
Look at the pictures, the title and the sub-headings of the article on
page 35. Then tick (✓) the facts that the article probably talks about.
What will happen to us if computers can do all our jobs? Will we have nothing to do? Computers may change our lives, but will they make them better?
I. Read the first part of the article and complete the table
×
Part III While-Reading
Read the text and answer the questions
Computer
Smaller and better In the 1940s, the first computers were bigger than cars. Now computers are becoming smaller and better. Some computers are tiny. You may be unaware of them. There is probably one inside your TV or washing machine. You depend on computers more than you realize.
人教版高中英语 必修二 Unit3 《Computers ---Reading》 课件 (共25张P
Homework
1. Read the passage fluently after class; 2. Finish <名校学案> reading.
Do you know who I am?
abacus
I am very small. I can be used for calculating. A lot of students use me when solving mathematical problems. Do you know who I am?
1822 1936
The Analytical Machine was made by Charles Babbage.
Alan Turing wrote a book about how computers could be made to work as_a__u_n_i_v_e_rs_a_l_m__a_c_h_i_n_e.
Mobile/cell phone
I am an electronic machine that can store, organize and find information, do calculations and control other machines. My nickname is “PC”.
In what order is this passage arranged(安排）?
Time.
Topic sentence
Over time I have been changed quite Paragraph 1 a lot.
These changes only became possible Paragraph 2 as my memory improved.
高中英语Unit 3 computers-reading名师公开课市级获奖课件(人教版必修二;16张)
Careful reading
Timeline
1642: A __________________________ calculating machine was _______________________________ used in France. ____: the Analytical Machine was 1822 Made by Charles Babbage. Alan Turing wrote a book to 1936:___________________________ describe how computers could _______________________________ be made to work. _______________________________ 1960s:__________________________ Computers have new _______________________________ transistors and became _______________________________ smaller.
Unit 3 Computers
Period 3 Reading and comprehending
Aims:
1.Emotion, attitude and values: 1). To help students learn to read an introduction about computer 2).To help students better understand “the computer science” 3).To help students learn to use some important words and expressions 2. Knowledge aims 1). Main words and expressions. simplify sum ; operator; logically ;technological ; artificial; intelligence; personal; tube; network; web; mobile; rokets ;finance 2). Practice different reading skills, such as skimming, scanning, intensive reading, extensive reading, etc.
unit3Computers-Reading公开课(共23张)
a _a_n_a_ly_ti_ca_l_ machine think logically
_st_ro_n_g_
a2.u_n_iv_e_rs_a_l machine solve difficult3. _m_a_th_e_m_a_ti_c_al
problems
network times (the 2nd and 3rd para) large
1822
The __a_n_a_l_y_t_ic_aml achine was made by Charles
Babbage.
1936 Alan Turing _w__r_ot_e_a_b_o_ok__to__de_s_c_r_ib_e___ how
computers could be made to work．
Do you know who I am?
abacus
第4页，共23页。
I am very small. I can be used for calculating. In China, a lot of students use me when solving mathematical problems.
2. play games on the computer
3. send emails to friends
4. download music and films
5. go shopping on line 6. use QQ to make friends
7. communicate with others
Do you know who I am?
notebook computer/ laptop
第6页，共23页。
shapes
_st_ro_n_g_
a2.u_n_iv_e_rs_a_l machine solve difficult3. _m_a_th_e_m_a_ti_c_al
problems
network times (the 2nd and 3rd para) large
1822
The __a_n_a_l_y_t_ic_aml achine was made by Charles
Babbage.
1936 Alan Turing _w__r_ot_e_a_b_o_ok__to__de_s_c_r_ib_e___ how
computers could be made to work．
Do you know who I am?
abacus
第4页，共23页。
I am very small. I can be used for calculating. In China, a lot of students use me when solving mathematical problems.
2. play games on the computer
3. send emails to friends
4. download music and films
5. go shopping on line 6. use QQ to make friends
7. communicate with others
Do you know who I am?
notebook computer/ laptop
第6页，共23页。
shapes
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Do you know who I am?
abacus
I am very small. I can be used for calculating. In China, a lot of students use me when solving mathematical problems.
Do you know who I am?
wrote__ a book ___ ____ to describe ________ how 1936 Alan Turing ____
1940s Computers had _____ grown ___ as large ______ as__ a room.
1960s
1970s
A family of computers was connected by a network.
early days(the first paragraph)
Name a caculating machine a Function(功能) simplify difficult sums strong _____
poor
analytical machine ________ think logically a2.universal ______ machine solve difficult3. _________ mathematical
What are the advantages and disadvantages of the computers? In my opinion,I can use the computer to….
We can use the computer to…….
Watch movies
listen to music search for …
8. use the Internet to search for information 9. surf the web for fun 10. read news both at home and abroad, read books and magazines
Disadvantages 1.Some students may get too addicted (沉 溺于)to it . 2. Some students waste too much time in playing computer games. 3. Some students spend too much time in chatting with others and may be cheated (欺骗)by someone on line. 4. As a result, they have little time to study 5. It is bad for our eyes and health to spend long time in front of computers.
communicate with…
do shopping
Advantages
We can use the compuers to… 1. use a computer for school work 2. play games on the computer 3. send emails to friends 4. download music and films 5. go shopping on line 6. use QQ to make friends 7. communicate with others
keyboard mouse
main unit
What’s next?
work for us in Mars(火星)
carry things
work in wars (战斗)
仿真机器人
entertainment
娱乐 What do you think will be the next development?
Read the passage and choose the best answers.
1.What can we learn from the text? A Computer has a short history. B No one knows computer when the first computer was made. C Computers are not widely used even today. D D Computers are widely used. 2. Who was the computer’s real father? A A Alan Turning B Not mentioned in the text. C Bill Gates D Charles Babbage 3 .The computer almost changed completely _______. A in 1642 B in 1882 C C in the 1960s D in the 1970spassage fluently. 2. Do Ex on period 2. 3. Retell the passage .
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_____
narrow wide _____
small
____; trade robots; mobile phones; medical operations space have been found 8.______________;
in many fields(领 域). rockets
Discussion
Reading
Guess!
A handbag?
A toy?
Guess more:
I am very old now. I was born in China. Many people used me for calculating in the past, but now I am a bit lonely because they don’t like me now.
Reading
I.Scanning(略读)
Fast-reading
a computer 1.In the passage, “I” refers to _________. 2.the topic sentence of each paragraph. Paragraph I: Over time I have been changed quite a lot. paragraphII: These changes only became possible as my memory improved. paragraphIII: Since the 1970s many new applications have been found for me. So the whole passage is mainly about: the development of computers. _________________________________.
Do you know who I am? notebook computer/ laptop
What do you know about computers?
shapes
sizes
colors
kinds
parts
Do you know them?
CD-ROMs
drives
monitor
speakers
1642
began as a calculating The computer _____ ___ ___ _______ machine．
1822
analytical machine was made by The _________ Charles Babbage. computers could be made to work．
calculator
I can be used for calculating. Besides, I can also be used for watching DVD, sending e-mail and communicating through the Internet. However, I am not a PC, because I’m small enough for you to take me with you.
network times (the
tubes
2nd
problems and 3rd para)
large
my memory
since the 1970s applications 5___________
transistors 4._________ Small chips communication finance;7. 6.___________;
First as _ a ____and PC then as ___ a laptop __ ___ computers were used in offices and homes. now Computers connect people all over the world together.