人教版必修二 Unit3computersReading课件
Scanning
5. I began as a calculating machine
in Japan in 1642.
6. In 1936, I grew rapidly both in size
and in brainpower.
7. As time went by, I was made bigger.
网迷
网址 电子邮件箱 电子邮件 局域网 登陆
Internet sites
e-mail box electronic mail (e-mail) Local Area Network log in
log out
netizen
注销
网民
What do you use computers for?
search for …
Scanning
Reading Comprehension True or False 1. My real father was Charles Babbage, who wrote a book and built me in 1936. 2. After I got my new transistors in the 1960s, I became smaller but cleverer and quicker. 3. I was brought into people’s homes in the 1970s. 4. Since my birth I have been built to take the place of the human race.
2.学习和掌握一些关于电脑的表达和词汇。
3.学生可以用英语表达自己的观点并进行简单的理由
阐述.
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. _________________________________.
on the computer
draw pictures
use a computer
for school work
take part in
chat groups
operate railways (like the underground)
fly planes and spaceships
Pre-reading
desk-top computer
business computer
digital movie
I am a one hundred percent net worm,because I nearly net bar net bar more than 8 hours 网吧 stay in the everyday. 网虫 net worm 我平均每天都要在网吧里呆上8个小时以上，是个不折不扣的网虫。 be online, on the internet download files send and receive e-mail web fans 上网，在线 下载文件 收发邮件
Can you tell the development of computers?
abacus
calculator
huge computer
PC
What’s next?
robot PDA laptop
Reading
Learning aims:
1.通过学习本单元，使学生了解计算机的发展历史及其 在当今社会的广泛应用.
With the development of science and technology, many new things appear in human being’s life.
Let’s guess what they are:
1. With me you can watch different programmes just at home. I’m a machine that has a screen with moving pictures and sounds. But watching me too much is bad for your eyes.
3. When was the computer the biggest? A. In 1642. B. In 1936. C. In the 1940s. D. In the 1970s. 4. How old is the computer? A. About 170 years old. B. About 270 years old. C. About 370 years old D. About 470 years old.
1822
1936
1940s
Computers had _____ ___large as __ a room. grown as ______
network 1960s A family of computers was connected by a_______.
First as a PC _ ____and thenas a laptop computers were ___ __ ___ 1970s used in offices and homes. now Computers connect people all over the world together.
Reading Comprehension Look at these inventions. Can you put them in an order according to the time when they appeared? ( 2 ) analytical machine ( 5 ) laptop ( 1 ) calculating machine ( 6 ) robot ( 4 ) PC ( 3 ) universal machine
car
3. I am a machine which is a good
helper in doing house work. I wash clothes for people.
washing machine
4. A machine that you use to talk to other people even in a far-away place. We are connected by wire or radio. Now each of us often has a number.
8. Since the 1970s many new
applications have been found for me.
3 Detailed reading( 细读)
Read the passage more carefully and find more information about computers. Then fill in the two forms below.
5. Which of the following is in the right order of time? a. The computer was connected with other computers. b. Alan Turing wrote a book about the computer. c. The computer has been sent to explore the Moon and Mars. d. The computer began to simplify difficult sums. A. a. b. c. d. B. b. c. a. d. C. d. a. c. b. D. d. b. a. c.
telephone
5.It is a machine, which you can use to type your homework, draw pictures, play games, watch movies, listen to music, communicate with your friends, gather information…
Find a sentence to replace the following one (in the 1st paragraph)
Reading Comprehension 1. Who was the first person to make the earliest computer? A. Alan Turing. B. Charles Babbage. C. Charles Turing. D. Alan Babbage. 2. When was the “universal machine” built? A. In 1822. B. In 1642. C. In 1936. D. In 1970.
see movies
listen to music
read books and magazines
send emails to friends
合集下载
人教版高中英语 必修二 Unit3 《Computers Reading》 课件 (共24张PPT)
3.According to the last paragraph, which was not
mentioned in the use of the computer?
A.Mobile phones. B.Rockets.
C.Bikes.
D.Robots.
4 .We can infer that the computer will____ .
In the ______ they gave me a family connected by a ________. Now people call it the ________. I have been used in ______ and ______ since the 1970s. So I became PC. Since my ______ I have truly been built to serve the _______ ____.
Unit 3 Computers
——Reading
camera
monitor
screen
host computer
keyboard
speaker mouse
Write out all the words you know about computers.
update
Internet
computer
Discussion/Debate
With the development of computer technology, the Internet had become more and more popular among students. However,just as a saying goes, a coin has two sides. The Internet brings both advantages and disadvantages to students. Discuss with your partners to list some advantages and disadvantages of the Internet. Advantages: _________________________________________ _________________________________________ Disadvantages: ____________________________________________ ____________________________________________
人教版高中英语 必修二 Unit3 《Computers ---Reading》 课件 (共21张PPT)
What’s
gather information
play games
do shoernet
watch movies
communicate
for homework
……
listen to music
Do you know the following the terms about the computers and the Internet?
Changes in size
• 1.___n_o_t_v_e_r_y__b_i_g__ (earlier)
• 2.____h_u_g_e________ ( in the past)
• 3.__s_m__a_l_le_r__a_n_d__t_h_i_n_n_e_r (modern)
Read paragraph two and complete the chart.
Topic sentence
Supporting details
Paragraph two
These changes only become possible as
my memory improved. 1. tubes 2. transistors 3. small chips 4. network 5. world Wide Web
Now have you known my development?
Careful reading read the passage again and complete the chart
Topic sentence
Para 1
Para 2
Para 3
Supporting details
1. calculating 1.tube machine ……
gather information
play games
do shoernet
watch movies
communicate
for homework
……
listen to music
Do you know the following the terms about the computers and the Internet?
Changes in size
• 1.___n_o_t_v_e_r_y__b_i_g__ (earlier)
• 2.____h_u_g_e________ ( in the past)
• 3.__s_m__a_l_le_r__a_n_d__t_h_i_n_n_e_r (modern)
Read paragraph two and complete the chart.
Topic sentence
Supporting details
Paragraph two
These changes only become possible as
my memory improved. 1. tubes 2. transistors 3. small chips 4. network 5. world Wide Web
Now have you known my development?
Careful reading read the passage again and complete the chart
Topic sentence
Para 1
Para 2
Para 3
Supporting details
1. calculating 1.tube machine ……
人教版高中英语 必修二 Unit3 《Computers ---Reading》 课件 (共32张PPT)
C. Charles Turing. D. Alan Babbage.
2. When was the “universal machine” built?
A. In 1822.
B. In 1642.
C. In 1936.
D. In 1970.
Scanning
3. When was the computer the biggest?
Discussion
Brainstorm a list of things that you, your school and your family use computers for. Think about what you would have to do if you could not use computers any more.
Reading
WHO AM I?
Skimming to get
general ideas
Reading Comprehension Complete the chart below.
Over time I have been changed quite a lot.
1 calculating machine 2 analytical machine 3 universal machine 4 PC 5 laptop
D. d. b. a. c.
Quiz
Retell the text by filling the following blanks.
I began as a _c_a_lc_u_l_a_t_in_g_ _m__a_ch__in_e_ in 1642 in France. In 1822 I was built as an
人教版高中英语 必修二 Unit3 《Computers ---Reading》 课件 (共29张PPT)
Discussion
Future computer can store a large number of information,and it will be more intelligent, so it can do many jobs like a normal person. e.g.It can be a doctor , a teacher , a driver and so on.
do housework though you are outside
I will become an intelligent remote(智能遥控) which can be used to control household appliances, such as TV, air-conditioner and light. And I also can help people do housework though they are outside. In a word, I can make people's life more convenient and comfortable.
communication
finance
Trade space rockets
mobile phones medical operation robots
The _d_e_v_e_lo_p_m__e_n_t and the applications of computers.
Development
You needn't drive the car by yourself
The computer examine and repair your car
人教版高中英语 必修二 Unit3 《Computers ---Reading》 课件 (共29张P
do housework though you are outside
I will become an intelligent remote(智能遥控) which can be used to control household appliances, such as TV, air-conditioner and light. And I also can help people do housework though they are outside. In a word, I can make people's life more convenient and comfortable.
communication
finance
Trade space rockets
mobile phones medical operation robots
ቤተ መጻሕፍቲ ባይዱ
The _d_e_v_e_lo_p_m__e_n_t and the applications of computers.
Development
• keep watch on our health • cure disease 治疗疾病
• don't need to go to the hospital
• remote medical consultation 远程会诊
•teach you knowledge •don't need to go to school •more time to learn
Calculating machine Analytical machine Universal machine PC Laptop ……
Applications
I will become an intelligent remote(智能遥控) which can be used to control household appliances, such as TV, air-conditioner and light. And I also can help people do housework though they are outside. In a word, I can make people's life more convenient and comfortable.
communication
finance
Trade space rockets
mobile phones medical operation robots
ቤተ መጻሕፍቲ ባይዱ
The _d_e_v_e_lo_p_m__e_n_t and the applications of computers.
Development
• keep watch on our health • cure disease 治疗疾病
• don't need to go to the hospital
• remote medical consultation 远程会诊
•teach you knowledge •don't need to go to school •more time to learn
Calculating machine Analytical machine Universal machine PC Laptop ……
Applications
人教版高中英语 必修二 Unit3 《Computers ---Reading》 课件 (共25张PPT)
1940s Computers had grown___a__s_l_a_r_g_e__a_s_a__r_o_o_m__.___
The first family of computers was connected 1960s by__a__n_e_tw__o_rk__. ________
Computers have become very important in 1970s c_o_m__m_u__n_ic_a_t_io_n_,_f_i_n_a_n_c_e_a_n_d__t_ra_de．
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.
trade. The computer is a devoted friend and helper of the_h_u_m_a_n__ race.
Discussion
List the advantages and disadvantages of the mobile phone
Advantages
More active and interesting
Easier to understand
Reading
Skimming to get
general ideas
What’s the main idea of the passage?
It’s a short history of the _d_e_v_e_lo_p_m__e_n_t_ of computers.
人教版高中英语 必修二 Unit3 《Computers ---Reading》 课件 (共32张PPT)
True or False 1. My real father was Charles Babbage,
who wrote a book and built me in 1936. 2. After I got my new transistors in the
1960s, I became smaller but cleverer and quicker. 3. I was brought into people’s homes in the 1970s. 4. Since my birth I have been built to take the place of the human race.
PC
Personal Computer
Can you tell the development of computers?
abacus calculator huge
PC
computer
What’s next?
robot
PDA
laptop
What is a computer?
A computer is a machine which keeps knowledge in its memory and does work on that knowledge. This knowledge is kept in symbols; it is called data. A computer usually has a monitor to show results. However, some computers can speak. These computers can be used for voice mail.
Scanning
who wrote a book and built me in 1936. 2. After I got my new transistors in the
1960s, I became smaller but cleverer and quicker. 3. I was brought into people’s homes in the 1970s. 4. Since my birth I have been built to take the place of the human race.
PC
Personal Computer
Can you tell the development of computers?
abacus calculator huge
PC
computer
What’s next?
robot
PDA
laptop
What is a computer?
A computer is a machine which keeps knowledge in its memory and does work on that knowledge. This knowledge is kept in symbols; it is called data. A computer usually has a monitor to show results. However, some computers can speak. These computers can be used for voice mail.
Scanning
人教版高中英语 必修二 Unit3 《Computers ---Reading》 课件 (共25张PPT)
trade. The computer is a devoted friend and helper of the_h_u_m_a_n__ race.
Discussion
List the advantages and disadvantages of the mobile phone
Advantages
the _a_n_a_ly_t_ic_a_l_machine was made by Charles Babbage. At that time, after the computer was _p_r_o_gr_a_m__m_e_d by an operator who used cards with holes, it could “think” logically and produce an answeqru_ic_k_e_r___ than any person. With the time going by, the computer has been made _s_m_a_l_le_r__. Later, computers were __co_n_n_e_c_te_d__ with each other.
World Wide Web
Para 3: Since the 1970s many new applications have been found for me.
communication finance trade robots mobile phones medical operations space rockets
The information could be _s_h_a_re_d__.
Since the 1970s many new _a_p_p_li_c_at_i_on_s_have been found for the computer. It has become very important in _c_o_m_m__u_n_ic_a_ti_o_n, finance and
Discussion
List the advantages and disadvantages of the mobile phone
Advantages
the _a_n_a_ly_t_ic_a_l_machine was made by Charles Babbage. At that time, after the computer was _p_r_o_gr_a_m__m_e_d by an operator who used cards with holes, it could “think” logically and produce an answeqru_ic_k_e_r___ than any person. With the time going by, the computer has been made _s_m_a_l_le_r__. Later, computers were __co_n_n_e_c_te_d__ with each other.
World Wide Web
Para 3: Since the 1970s many new applications have been found for me.
communication finance trade robots mobile phones medical operations space rockets
The information could be _s_h_a_re_d__.
Since the 1970s many new _a_p_p_li_c_at_i_on_s_have been found for the computer. It has become very important in _c_o_m_m__u_n_ic_a_ti_o_n, finance and
人教版高中英语 必修二 Unit3 《Computers ---Reading》 课件 (共21张PPT)
The computer had grown as large as a room. The first family of computers was connected to each other. Many new applications have been found for the computer. Computers connect people all over the world together.
1. an abacus
★2. a calculating machine
★3. change of my size
4. virus ★5. the Analytical Machine made by Charles Babbage
★6. transistor
7. hard disk
★8. connected by a network
9. chat room
★10. serve the human race
1. Which type / style does the text belong to ?
A. Description(描写)
B. Naration(叙述)
C. Exposition(说明)
D. Argumentation(议论)
What’s
gather information
play games
do shopping
Computer and Internet
watch movies
communicate
for homework
……
listen following the terms about the computers and the Internet?
1. an abacus
★2. a calculating machine
★3. change of my size
4. virus ★5. the Analytical Machine made by Charles Babbage
★6. transistor
7. hard disk
★8. connected by a network
9. chat room
★10. serve the human race
1. Which type / style does the text belong to ?
A. Description(描写)
B. Naration(叙述)
C. Exposition(说明)
D. Argumentation(议论)
What’s
gather information
play games
do shopping
Computer and Internet
watch movies
communicate
for homework
……
listen following the terms about the computers and the Internet?
人教版高中英语 必修二 Unit3 《Computers ---Reading》 课件 (共29张PPT)
Read Para 2 and then tell the statement True or False.
F 1. My shape didn’t change even though my memory improved. As a result I totally change my shape. (L18-19)
Conclusion
The computer, based on artificial intelligence , are still in development,it will be more new-style and more convenient,which functions will be more powerful.
TV
I am a machine that you use to talk to other people even in a far-away place. We are connected by wire or radio. Now each of us often has a number.
communication
finance
Trade space rockets
mobile phones medical operation robots
The _d_e_v_e_lo_p_m__e_n_t and the applications of computers.
Development
Discussion
Future computer can store a large number of information,and it will be more intelligent, so it can do many jobs like a normal person. e.g.It can be a doctor , a teacher , a driver and so on.