Unit 3 The world Online Welcome to the unit & Reading 课件（共40张，内嵌视频）高中英语 译林版 必修第三册

(共40张PPT)
Unit 3 The world online
Welcome to the unit & Reading (I)
Do you like surfing on the Internet
How does it change your life and study
I hope we will use the Net to cross barriers and
connect cultures. --Tim Berners-Lee
我希望我们能用互联网跨越障碍, 联结文化。
— 蒂姆·伯纳斯·李
When you are on the Internet, what do you usually do
search for information with a searching engine
watch the news
study on the internet
play internet games
watch films and soap operas
shopping online
chat on the Internet
There are many important milestones in the development of the Internet. Read the web page on page 29 and complete the form.
Read and complete.
The first email was sent ________ by Ray Tomlinson. It was a test message to himself. He wanted to see whether he could _______
________ from one computer to another. He chose ______________ to separate the username from the name of his machine.
in 1971
message
the “@” sign
send a
The first webcam was created by the University of Cambridge ________. What did it film A coffee pot _______ the office. Researchers in the Computer Laboratory used the webcam to see ______________
whether the pot was full to avoid wasted trips for coffee.
in 1991
outside
from their desks
Emojis, small digital images used to ________
________________ in electronic communication, were created _________ in Japan. The creator was inspired by Japanese comics, street signs and ___________________. Soon emojis __________ throughout the world. Oxford Dictionaries selected , the “Face with Tears of Joy” emoji, as the Word of the Year 2015.
express
in 1999
Chinese characters
took off
“突然大受欢迎，迅速流行”
eg. The magazine took off after the interview.
那次采访之后这本杂志很快大受欢迎。
ideas or feelings
Soon emojis took off throughout the world.
很快表情符号就风靡全球了。
【语境应用】写出下列各句中take off的意思。
1) The plane is going to take off in 10 minutes. (　　 )
2) You have to take off your shoes before you go to the computer room. (　　 )
3) I want to take next Friday off. (　　 )
4)The magazine took off after the interview. ( )
起飞
脱下
请假
大受欢迎
Unit 3
The world online
Reading: 30-31
What do you often do on the Internet
Play Internet games
Do shopping onine
Read the news
chat on the Internet
study on the Internet
Watch films or TV plays
Lead-in
Internet:
a world without frontiers
video watching
A. Expository writing (说明文)
B. Narration (记叙文)
C. Argumentation (议论文)
D. Practical writing (应用文)
1. What is the genre of this writing
Fast reading
Skim for the structure
Introduction
Advantage 1
Advantage 2
Advantage 3
Conclusion
Body
The topic sentences
Para. 1
Para. 5
Para. 4
Para. 3
Para. 2
We can achieve almost anything online…
One of the greatest advantages of the Internet lies in the quick and easy access to a huge amount of information.
The Internet has also made our lives unbelievably convenient, with all sorts of goods and services provided by electronic commerce, more commonly known as e-commerce.
Above all else, the Internet helps us establish and maintain social ties.
However, while the Internet brings many valuable advantages, being connected has its problems.
The structure
Para. 1
Para. 5
Para. 4
Para. 3
Para. 2
We can achieve almost anything online…
One of the greatest advantages of the Internet lies in the quick and easy access to a huge amount of information.
The Internet has also made our lives unbelievably convenient, with all sorts of goods and services provided by electronic commerce, more commonly known as e-commerce.
Above all else, the Internet helps us establish and maintain social ties.
However, while the Internet brings many valuable advantages, being connected has its problems.
Introduction
Para. 1
Main Body
Paras. 2-4: Internet has many advantages
Conclusion
Para. 5
We can achieve almost anything online.
E-commerce has made our lives unbelievably convenient.
The Internet helps us establish and maintain social ties.
We should use the Internet properly and responsibly.
We have quick and easy access to a huge amount of information online.
Reading for the structure A1 on p32
Introduction
Para. 1:_____________
______________________________________
Main body
Paras. 2-4: The Internet has many advantages.
Conclusion
Para. 5:
Introduction
Para. 1:
Advantage 1
Advantage 2
Advantage 3
We can achieve almost anything online.
We should use the Internet properly and responsibly.
We have quick and easy access to a huge amount of
information online.
E-commerce has made our lives unbelievably convenient.
The Internet helps us establish and maintain social ties.
Introduction: para 1
What’s the topic sentence
What is the writer’s attitude toward the Internet
Positive
Negative
Pre-Reading
While-Reading
Post-Reading
What’s the relationship of paras 2-4
Find the topic sentence!
One of the greatest advantages of the Internet lies in the quick and easy access to a huge amount of information.
The Internet has also made our lives unbelievably convenient, with all sorts of goods and services provided by e-commerce.
Above all else, the Internet helps us establish and maintain social ties.
some truly
life-changing advantages
Parallel
Pre-Reading
While-Reading
Post-Reading
Main body: paras 2-4
Advantages Supporting details
Advantage 1 Having access to (1) __________________ information
Gathering information quickly and easily
Advantage 2 (2) _______________________________
Doing shopping quickly and easily
Ordering a taxi with an app
Making travel arrangements
(3) _____________________________on the smartphone
Advantage 3 Keeping in contact with loved ones
Finding (4)____________________
Discovering communities who (5) ___________________
a huge amount of
Having food delivered to you
Paying for almost everything
long-lost friends
share our hobbies
What’s the supporting detail of each paragraph A2
Pre-Reading
While-Reading
Post-Reading
1
5
4
2
3
access to information
6
7
food
shopping
travel arrangements
transportation
payments
social life
How does the author describe the supporting details
Gone are the days...
In the time...
“before-and-after” comparison
Gone are the days...
“before-and-after” comparison
What’s the function of the comparison
In the time...
Persuade readers to be convinced of an argument or a statement.
Show the superiority of present changes to help the readers evaluate it.
Do we really have a world without frontiers
Without protection!
What we should do to avoid the problems
Conclusion: para 5
Pre-Reading
While-Reading
Post-Reading
Introduction
Advantage 1
Advantage 2
Advantage 3
Conclusion
Parallel
Comparison
Review the argumentation
Pre-Reading
While-Reading
Post-Reading
Discussion (group work)
What disadvantages of the Internet can you think of
2. be addicted to computer games
1. waste lots of time on apps
……
3. reduce face-to-face communication
4. personal information may be stolen
Disadvantages
Make it a tool to help you,
not a trap to destroy you!
Writing
Write a summary of the pros and cons of the Internet.
Requirements(要求):
1. 总结互联网的优缺点；
2. 表明你对使用互联网的态度；
3. 用适当的衔接词,使文章富有逻辑性。
The Internet is a technological wonder, bringing about far-reaching changes in all aspects of our lives.
(Advantages)_____________________________________________________________________________________________________________________________. However,(Disadvantages)_____________________________________________________________________________________________________________________.
Therefore, __________________________________.
With the rapid development of technology, we have easier access to the Internet, which brings about various life-changing advantages.
One of the advantages of the Internet lies in _________________________.Meawhile,____________________.Above all else,_________________________. However, despite the advantages, we should be fully aware that the Internet is a double sword. For one thing, _________.For another, ______________.
Therefore, only when we use the Internet properly and responsibly, can it be truly a world without frontiers.
Building your language
B1 The passage below is about proper online plete the passage with the correct forms of the words and phrases in the box below.
comment site establish to a certain extent majority click aware above all else
The Internet has brought us great convenience. (1) _________________, we can hardly live without it. However, it also raises all sorts of questions: when surfing the Internet, how can we protect ourselves How can we use the Internet responsibly
To a certain extent
The following guidelines may show you how to live in the digital world.
(2)____________, you should use the Internet in a safe way. You must always be careful about which (3)________to trust. One wrong (4)_________may damage your computer and remove all your computer files! Therefore, before visiting a web page, always check for signs that warn people of danger. Another tip is to keep your personal information private, including your phone number, address and email account.
Above all else
site
click
You also need to show respect when communicating with other online users. Leave (5)___________ politely and treat others the way you would like to be treated. Though the (6) __________of online users are nice and friendly, there might be some users who make you feel uncomfortable online. In such cases, be (7)_________that you always have the right to say no and cut off contact. Remember that relationships you (8)_________ in the digital world are just the same as those you have in real life.
majority
aware
comments
establish
1 突然大受欢迎，迅速流行
2 一个科技奇迹
3 带来意义深远的变革
4 在各个方面
5 与外界取得联系 L4
6 连接网络；接入互联网 L5
7 （思想、特征、问题等）在于
8 在某种程度上
9 随时可供使用，了如指掌
take off
a technological wonder
bring about far-reaching changes
in all aspects
get in touch with the outside world
access to the Internet
lie in L7
to a certain extent L8
at one’s fingertips L9
10 军事事务
11 学习资源
12 使显示在计算机上；调出
13 大多数人
14 求助于；求教于
15 电子商务
16 在…里舒舒服服地
17 最重要的是；尤其是
18 建立并保持社会联系L29
military affairs L11
learning resources L11
bring up L12
the majority of people L13
electronic commerce L17
turn to L13
in the comfort of L21
above all else L29
establish and maintain social ties
19 阻挡；阻碍
20 与挚爱的人保持联系
21 找到失去联系的朋友
22 对新闻时事的评论
23 知晓，知道，意识到 L39
get in the wayL31
keep in contact with loved ones L32
find long-lost friendsL32
a comment on an updateL35
be aware of sth / be aware (that)…
Thank you!