人教版高中英语必修二unitcomputersReading课件
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人教版高中英语必修二unit3ComputersReading课件
_p_r_o_b_l_e_m_s__
Strong
Network times
_M__e_m_o_r_y_ Tubes stored in _T_r_a_n_s_i_st_o_r_s__
Small chips
Develo
_C_o_m__m__u_n_ic_a_t_i_on
pment A__p_p_li_c_a_ti_o_n_s Finance
machine difficult sums
Develop ment
An a_n_a_l_y_t_ic_a_l machine
Think logically and produce an
answer quickly
A _u_n_i_v_e_r_sa_l_ Solve difficult machine _m__a_th_e_m__a_t_ic_a_l
Changes of the machine
Calculating machine
Analytica l machine
Universal machine
Machine with new transistor
A family connected by a network
Machine with artificial intelligence
the second generation
The history of (1945-1956)
(1956-1963)
computers
the fourth generation (1971- )
the third generation (1964-1971)
Summary of the passage. I began as a _ca_l_c_u_l_a_ti_n_g_ machine in 1642.
Strong
Network times
_M__e_m_o_r_y_ Tubes stored in _T_r_a_n_s_i_st_o_r_s__
Small chips
Develo
_C_o_m__m__u_n_ic_a_t_i_on
pment A__p_p_li_c_a_ti_o_n_s Finance
machine difficult sums
Develop ment
An a_n_a_l_y_t_ic_a_l machine
Think logically and produce an
answer quickly
A _u_n_i_v_e_r_sa_l_ Solve difficult machine _m__a_th_e_m__a_t_ic_a_l
Changes of the machine
Calculating machine
Analytica l machine
Universal machine
Machine with new transistor
A family connected by a network
Machine with artificial intelligence
the second generation
The history of (1945-1956)
(1956-1963)
computers
the fourth generation (1971- )
the third generation (1964-1971)
Summary of the passage. I began as a _ca_l_c_u_l_a_ti_n_g_ machine in 1642.
人教版高中英语 必修二 Unit3 《Computers ---Reading》 课件 (共32张PPT)
PDA
Personal Digital Assistant
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?
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?
1 communications 2 finance
3 trade
4 robots 5 mobile phones 6 medical operations 7 space rockets
8 providing a life of high quality
Careful reading
Reading Comprehension Finish the timeline below.
Computers were used in offices and homes. Computers connect people all over the world together.
Scanning to get
detail information
Scanning
Reading Comprehension III
Homework
Personal Digital Assistant
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?
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?
1 communications 2 finance
3 trade
4 robots 5 mobile phones 6 medical operations 7 space rockets
8 providing a life of high quality
Careful reading
Reading Comprehension Finish the timeline below.
Computers were used in offices and homes. Computers connect people all over the world together.
Scanning to get
detail information
Scanning
Reading Comprehension III
Homework
人教版高中英语 必修二 Unit3 《Computers Reading》 (共34张PPT)
shopping online
play games on the computer
look at photographs on the computer
draw pictures
chat online
Skimming
1. Who is the speaker in this story? A computer.
who am I?
robot
/'rəʊbɒt/
PC(个人电脑） huge computer
calculator(计算器PDA(掌上电脑 abacus(算盘）
）
The history of the computer
What do they have in common ?
Fill the blanks: I began as a __c_a_lc_u_l_a_ti_n_g_ machine in 1642 in
France. In 1822 I was built as an a_n_a_l_y_ti_c_almachine. Then in 1936 Alan Turing wrote a book and built a un_i_v_e_r_sa_l machine. As the years have_g_o_n_e_b_y, I have been made _s_m_a_l_le_r .Over time my memory has developed so much that, like_a_n_e_l_e_p_h_a,ntI never forget anything I have been told! And my memory became __s_o__ large __t_h_a_t I couldn’t believe it. In the 1960s they gave me a family__c_on_n__ec_t_e_d by a network. I was able to _s_h_a_re__m_y__k_n_o_w_le_d_g_e_with others through the World Wide Web. Since the 1970s many new applications __h_a_v_e_b_e_e_n_f_o_u_n_d___for me.
人教版高中英语 必修二 Unit3 《Computers ---Reading》 课件 (共21张PPT)
Homework
1. Practice reading the passage. 2. Write a short passage about the advantages and
disadvantages of the computer and Internet and what we should do.
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
Careful reading. Finish the timeline below.
1642 1822
1936 1940s 1960s 1970s Now
The computer began as a calculating machine．
The “analytical machine” was made by Charles Babbage. The computer grew rapidly both in size and in brainpower.
What’s next?
gather information
play games
do shopping
Computer and Internet
watch movies
communicate
for homework
……
listen to music
2019人教版高中英语 必修二 Unit3 《Computers Reading》 (共34张PPT)教育精品.ppt
1.They can be used for calculating. 2.They can deal with math problems. 3.They are our friends. 4.They are useful and helpful.
In what ways are computers used in our daily life?
• 1.Topic sentence
Para 3
Since the 1970s many new applications have been found for me.
Scanning: Para3
What are the new applications of the computer?
Communication
things as human race.
1822
logically
universal
Since the 1970s
Reality
Used in offices and homes
• 1.Topic sentence
ks5u
These changes only become possible as my memory improved
As a result she became a college student. Now she becomes a air hostess ,she will work on the plane.
Homework
Design a personal computer.
Suppose your group is a computer company. Design a future-computer and then advertise it
人教版高中英语必修二 unit 3 computers reading课件(共54张PPT)
Task 4 Fill in the blanks.
1 2 3 4 totally revolution simplify calculate completely complete change to make things easier to find the answer using numbers can be moved easily from place to place to work out the answer to a problem
Develo Network times pment Memory Tubes _________ Transistors Small Small chips Applications ______ __________ Communication Narrow Finance ________ Trade Robots Mobile phones ___________ Medical operations Space rockets Wide
The first generation (1945-1956)
the second generation (1956-1963)
the fourth generation (1971- )
the third generation (1964-1971)
1. What is PC? Speak the name on the whole. It means: personal computer. 2. What is IT? Information Technology. 3. What is CD-ROM? Compact disc read-only memory. 4. What is PDA? Personal digital assistant.
人教版高中英语 必修二 Unit3 《Computers ---Reading》 课件 (共29张PPT).ppt
These changes only became
Para 1:
possible as my memory improved.
Para 2:
Since the 1970s many new applications have been found
for me.
Para 3:
Over time I have been
Calculating machine Analytical machine Universal machine PC Laptop ……
Applications
Communication Finance Trade Medical operators Science
With the development of computer technology, what do you think will the computer become in the future?
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.
T 4. I was able to share my knowledge with others through the World Wide Web in the early 1960s. L23-24
Para 1:
possible as my memory improved.
Para 2:
Since the 1970s many new applications have been found
for me.
Para 3:
Over time I have been
Calculating machine Analytical machine Universal machine PC Laptop ……
Applications
Communication Finance Trade Medical operators Science
With the development of computer technology, what do you think will the computer become in the future?
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.
T 4. I was able to share my knowledge with others through the World Wide Web in the early 1960s. L23-24
人教版高中英语 必修二 Unit3 《Computers ---Reading》 课件 (共25
Homework
1. Read the passage fluently after class; 2. Finish <名校学案> reading.
Computers are devoted friends and helpers of
now the__h_u_m__a_n_r_a_c_e_. ______
Careful Reading
Para 1: Over time I have been changed quite a lot.
calculating machine
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
Paragraph 3
Since the 1970s manyபைடு நூலகம்new applications have been found for me.
Reading
Scanning to get
specific information
1642 The computer began as__a_c_a_lc_u_l_a_t_in_g__m__a_ch__in_e_.
games. 3. may be cheated (欺骗)by
someone on line. 4. have little time to study 5. bad for our eyes and health 6. have trouble in communicating
人教版新课标英语必修二Unit3ComputersReading课件
• 三级
th• e四d级evelopment of the _____c_o_m_p_u_tearnd its • 五级
_______a_p_p_l_ic_atiinondsifferent fields.
2024/11/17
11
单击此处编辑母版标题样式
• 单击此处R编ea辑d 母th版e 文pa本ss样ag式e and finish the timeline.
machine
in
1642.
It• t四o级•o五k级nearly two hundred years
_b_e_f_o_re___ I was built as an analytical
machine. I became a “universal machine”
in 1936 to __s_o_l_v_e__ any mathematical
sentence
•
单击此处编辑母版文本样式
• 二P级aragraph 1
• 三级
Over time I
• 四级 • 五级
have been
changed
quite a lot.
Calculating machine Analytical machine Universal machine PC laptop
• 四级 • 五级
Easy! Fast! Free!
2024/11/17
3
单击此处编辑母版标题样式
• 单击此处编辑母版文本样式
• 二级
• 三级
• 四级 • 五级
keyboard
mouse
2024/11/17
monitor
speaker
4
th• e四d级evelopment of the _____c_o_m_p_u_tearnd its • 五级
_______a_p_p_l_ic_atiinondsifferent fields.
2024/11/17
11
单击此处编辑母版标题样式
• 单击此处R编ea辑d 母th版e 文pa本ss样ag式e and finish the timeline.
machine
in
1642.
It• t四o级•o五k级nearly two hundred years
_b_e_f_o_re___ I was built as an analytical
machine. I became a “universal machine”
in 1936 to __s_o_l_v_e__ any mathematical
sentence
•
单击此处编辑母版文本样式
• 二P级aragraph 1
• 三级
Over time I
• 四级 • 五级
have been
changed
quite a lot.
Calculating machine Analytical machine Universal machine PC laptop
• 四级 • 五级
Easy! Fast! Free!
2024/11/17
3
单击此处编辑母版标题样式
• 单击此处编辑母版文本样式
• 二级
• 三级
• 四级 • 五级
keyboard
mouse
2024/11/17
monitor
speaker
4
人教版高中英语 必修二 Unit3 《Computers Reading》 课件 (共24张PPT)
Exploration
How can we find the top sentences quickly and correctly?
1. the first sentence of the paragraph. 2. the last sentence of the paragraph. 3. the second sentence or the sentence after such words as "however, but… 4. No topic sentences. We should conclude.
The development of computers:
Analytical machine
Universal machine Internet
Artificial e
Computer
Calculating machine
The development of computers:
Careful reading
Task 1: Scan the text and then choose the best
answer according to the text.
1.How long did it take before the computer was built as
an analytical machine?
A.500 years. B.300 years.
C.100 years.
D.200 years.
2.Why did I totally change my shape? A. Because I could do many things. B. Because I could simplify sums. C. Because my memory improved. D. Because I never forgot anything.
人教版高中英语 必修二 Unit3 《Computers -Reading》 (共23张PPT)
Every coin has two sides, so does the Internet. Talk about the advantages and disadvantages about it to our students.
do reading
draw pictures
play games
Universal machine
Machine with new transistor
A family connected by a network
Machine with artificial intelligence
A family used by the Internet
In the _1_9_6_0_s_ they gave me a family connected by a _n_e_tw__o_r_k_. Now people call it the _I_n_te_r_n_e_t_. I have been used in _o_ff_i_c_es_ and _h_o_m__e_s since the 1970s. So I became PC. Since my _b_ir_t_h_ I have truly been built to serve the _h_u_m_a_n__ _r_a_ce_.
and could solve any mathematical problem.
2. My real father was Charles Babbage, who
wrote a book and built me in 1936. F
3. I was brought into people’s homes in the
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a compevision
monitor 显示器 printer 打印机
人教版高中英语必修二 unit 3 computers Reading课件3(共15张PPT)
speaker 音响
人教版高中英语必修二 unit 3 computers Reading课件3(共15张PPT)
6A.. robot 5B.. laptop
Calculator
[`kæ lkjuleitə] n. 计算器
人教版高中英语必修二 unit 3 computers Reading课件3(共15张PPT)
Riddle C (谜语):
I can be used for calculating. Besides, I can also be used for watching DVDs, sending E-mails and communicating with friends through the Internet. However, I am not a PC, because I’m small enough for you to take to anywhere.
PC (Personal Computer) 个人计算机 • PDA ( Personal Digital Assistant) 掌上电脑
sum web simplify operator
network calculating machine analytical machine universal machine
What do they have in common?
• Abacus
can be used for calculating.
• Calculator
• Laptop
are our friends. …
have sth. in common 有……相同之处 have nothing in common 毫无共同之处 have a lot in common 有许多相同之处
Do you know who I am ?
Laptop [`læ ptɔp] / PDA notebook n. 手提电脑
人教版高中英语必修二 unit 3 computers Reading课件3(共15张PPT)
人教版高中英语必修二 unit 3 computers Reading课件3(共15张PPT)
Do you know who I am?
abacus
[`æ bəkəs] n. 算盘
Riddle B (谜语):
I am very small. I can be used for calculating. In our class, a lot of students use me to solve maths problems. Do you know who I am?
Tips: 1. We can use a computer to … 2. It is made up of some parts, such as…
see movies
listen to music
search for … communicate with…
人教版高中英语必修二 unit 3 computers Reading课件3(共15张PPT)
人教版高中英语必修二 unit 3 computers Reading课件3(共15张PPT)
the part of a computer that can be used to input information
keyboard 键盘 mouse 鼠标 host 主机
the most important tphaertpoafrt of a computer which
人教版高中英语必修二 unit 3 computers Reading课件3(共15张PPT)
人教版高中英语必修二 unit 3 computers Reading课件3(共15张PPT)
Discussion
What are the functions of a computer? Can you give us the English names of a computer components (组件)?
Revision
New Words and Expressions
• abacus [`æbəkəs] n. 算盘 • calculator [`kælkjuleitə] n. 计算器 • laptop [`læptɔp] n. 便携式电脑 • analytical [.ænə`litikəl ] adj. 分析的 • calculate [`kælkjuleit] vt. 计算, 估计 • robot [`rəubɔt] n. 机器人
n. & vt. 总数，计 n. 网，网状物 vt. 简化 n. 操作员，接线员 n. 网络 n. 计算机器 n. 分析机 n. 通用机
Warming-up
Riddle A (谜语):
I am very old now. I was born in ancient China. Many people used me for calculating in the past, but now I am a bit lonely because they don’t like me now.
components of a computer
screen 屏幕
monitor 显示器
host 主机
人教版高中英语必修二 unit 3 computers Reading课件3(共15张PPT)
speaker 音响
keyboard 键盘 mouse 鼠标
Pre-reading
• Look at the following words and expressions, and put them in an order according to the time when they appeared in the text.