高一英语必修二unit3Computers课件
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高中英语人教版必修2课件：Unit 3 Computers
Well, in general, WWW stand for “World Wide Web”. Most people confuse the Internet with the World Wide Web. However, there is a difference. The Internet is made up of thousands of computers that are connected worldwide. WWW or World Wide Web, is what your computer uses to check out the Internet. For example, your computer uses browsers, such as Internet Explorer or Netscape (网景浏览器) to let you see and hear all the cool pictures, information, music and sounds on the Internet.
1．confuse vt. 2．connect vt. 3．browser n. 4．surf vt. 5．modem n. 6．graphics n.
使混乱；使困惑 连接；联合；关联 (电脑)浏览器 在……上冲浪 调制解调器 绘画；图像
1．What difference is there between the Internet and WWW? ________________________________________________________________ 2．What do you need if you surf the World Wide Web? ________________________________________________________________ 【答案】 1.The Internet is made up of thousands of computers that are connected worldwide；WWW is what your computer uses to check out the Internet. 2．You need to have a computer with a modem and a browser.Besides，you need to have an Internet Service Provider.
人教版高中英语 必修二 Unit3 Computers ---Reading 课件
1 What are the new applications of the computer?
2 What roles do computers play in the life of human beings?
What are the new applications of the computer?
Homework
1. Finish exercise 1 on page 56. 2. Read the text again after calss
and underline the difficult points. 3.Write down your opinions about the question in the discussion.
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
• 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.
2 What roles do computers play in the life of human beings?
What are the new applications of the computer?
Homework
1. Finish exercise 1 on page 56. 2. Read the text again after calss
and underline the difficult points. 3.Write down your opinions about the question in the discussion.
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
• 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.
高中英语人教版必修2 Unit 3 Computers 课件
What’s next?
carry things work in wars work for us in Mars
Activity 2 Thinking Q: In what ways is the computer used？
communicate with…
Watch movies & TV plays
More knowledge about computers
1. What is IT? Information Technology.
2. What is CPU? Central Processing Unit.（中央处理器） 3. What is WWW? World Wide Web. 4. What is the English for “科学技术”? science and technology.
listen to music
do shopping
search for …
play computer games
Besides, we can … with computers
• send e-mails instead of letters;
• read news at home and abroad;
register 注册，登记 software 软件
download 下载
hardware 硬件
Consolidation
• Complete the sentences with proper words. 1. We should use computers properly and
never be a m_o_u_se__ potato. 2. In the accident he e_s_ca_p_e_d_ being killed. 3. You can input the capital letters when you
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Unit-3-computers-reading-公开课课件
1822
1936
1940s 1960s 1970s
Now
Discussion
In what ways computers can be used to do for human race in the future?
For example: A: What will computers be developed in the future? B: I think computers will be developed to help us … / In my opinion, computers can be used to …
search for information
watch movies
listen to music
read books and magazines
buy things online
play games on the computer
Reading
Who am I?
Can you find out the topic sentence of each paragraph?
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
Simplify ________difficult sums logically Think_________ Solve any difficult problem
人教版高中英语 必修二 Unit3 《Computers ---Reading》 课件 (共21张PPT)
software
hard disk
download
upload
website
homepage
password
virus
web fans
hacker
surf the Internet
world wide web 万维网
Now let’s come to the reading
Fast reading and pick out the items mentioned in the text.
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.
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)
Discussion
Every coin has two sides, so does the Internet. Now discuss the advantages and disadvantages of the computer and Internet in groups and think what we should do.
高中英语人教版必修二《Unit3 Computers》课件
Fill in the blanks
I am a(n) ___st_r_ik_e_rin an android football team.
Self
I look like a human and I’m as big as a
introductio human.
n
My computer ___c_h_ip_s_ help me move and
= ___W_h_i_le__d_o_i_n_g_h_i_s_E_n_g_li_s_h________ ___h_o_m_e_w__o_r_k_, _h_e_f_e_ll_a_s_le_e_p__. _____
5. Then she prepares reliable moves to use if a new situation arises. arise vt. 产生，产生； 站起来，起身；起床；上升， 升起
拓展
in the way或in one’s way 挡道，碍事 反义词组：out of the way in any way 不管如何，不管怎样 in no way 决不 注意：置于句首时，句子用部分倒装语序。如：
You’ll have to move — you are in my way. Please keep out of the way. I must finish the work today in any way. Teaching in school can in no way be separated from practice. In no way did he admit that he was wrong.
4) A heavy smoke arose and hung over the town.
人教版高中英语必修2精选Unit 3 ComputersTask课件ppt
computers could be made to work．
1940 Computers had grown as large as a room.
ห้องสมุดไป่ตู้
s
1960s The first family of computers was
connected Computers
to were
used
in
offices
F
2. People began to realize that the computer got
cleverer and quicker with time passing. T
3. The computer began to serve the human race
since it was brought into people’s homes. F
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.
1) What’s the main idea of the text? A. The computer wants to find “who he is”. B. The functional change of the computer. C. The computer becomes popular around the world. D. The history of the computer.
1940 Computers had grown as large as a room.
ห้องสมุดไป่ตู้
s
1960s The first family of computers was
connected Computers
to were
used
in
offices
F
2. People began to realize that the computer got
cleverer and quicker with time passing. T
3. The computer began to serve the human race
since it was brought into people’s homes. F
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.
1) What’s the main idea of the text? A. The computer wants to find “who he is”. B. The functional change of the computer. C. The computer becomes popular around the world. D. The history of the computer.
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4. Speinocpelethaero1u9n7d0st,htehewcoormldptuhtreoruwghasthueseIdntbeyrneTt.
5. 5. The larger the computer is, the more
memory
F
6. it has.
Comprehending:
Do you know who I am?
notebook computer
A huge computer
Palmtop
A PC
Who am I ?
Skimming: Go over the story to find out
who the speaker is. Write down 3 sentences to support your idea. It is a computer.
● I was built as an Analytical Machine by Charles Babbage.”
●”My real father was Alan Turing ....”
● I was able to share my knowledge with others through the World Wide Web.
• Intelligence: cleverer
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.
Scanning: Timeline
1642 The computer began as a calculating machine．
1822 The Analytical Machine was made by
1936
ICAnhlaawnrhlTeiuscrhinBogarwbdrbeoartgeieas.btohoek ttoedxetscorirbgeahnoiwzed?
2) What can you infer from the text? A. The computer has artificial intelligence. B. The computer changes a lot over the years. C. The computer was not connected by a network until in the early 1960s. D. Now the computer can only be used to deal with information.
1. Choose the best answers
1) What’s the main idea of the text? A. The computer wants to find “who he is”. B. The functional change of the computer. C. The computer becomes popular around the world. D. The history of the computer.
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?
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.
and
homes．
ห้องสมุดไป่ตู้
each other.
Computers connect people all over the world
1970 together.
True or False
1. Alan Turing built an Analytical Machine to
solve any mathematical problems.
2. Questions
Q1: How did the computer work as an Analytical Machine? The computer followed instructions from cards with holes.
Q2: In how many ways do we say the computer changed? What are they? • Size: smaller
F
2. People began to realize that the computer got
cleverer and quicker with time passing. T
3. The computer began to serve the human race
since it was brought into people’s homes. F
computers could be made to work．
1940 Computers had grown as large as a room.
s
1960s The first family of computers was
connected Computers
to were
used
in
offices