资源简介

(共25张PPT)
Unit 3 The world online
Welcome to the unit
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
Do you have easy access to the Internet
If so, how do you often access it
In which way do you access the Internet, using a mobile device or other devices
Lead-in
What do you usually do on the Internet
search for information
watch the news
study on the internet
When you are on the Internet, what do you usually do
chat on the Internet
shopping online
play internet games
watch films and soap operas, etc.
3. What does the Internet mean to you
There are many important milestones in the development of the Internet.
P29
When we speak of important milestones in the development of the Internet, what can you think of
What can you see from the three pictures attached to the three texts
We can see the “@” sign of an email address, a webcam and some emojis.
Free talk
Each of the three texts, Text 1, Text 2 and Text 3 might tell us about emails, webcams and emojis respectively.
Can you predict what each of the three texts might tell us according to the pictures
Free talk
The first email was sent in 1971 by Ray Tomlinson. It was a test message to himself. He wanted to see whether he could send a message from one computer to another. He chose the "@" sign to separate the username from the name of his machine.
There are many important milestones in the development of the Internet. Read the web page below and discuss the following questions in pairs.
The first webcam was created by computer scientists at the University of Cambridge in 1991. What did it film A coffee pot outside the office. These scientists used the webcam to see from their desks whether the pot was empty to avoid wasted trips for coffee.
Emojis, small digital images used to express ideas or feelings in electronic communication, were created in 1999 in Japan. The creator was inspired by Japanese comics, street signs and Chinese characters. Soon emojis took off throughout the world. Oxford Dictionaries selected , the "Face with Tears of Joy" emoji, as the Word of the Year 2015.
Task 1
Read the article and complete the chart.
P32 A1
Introduction
Para. 1: __________
__________________
__________________
__________________
Main body
Paras. 2–4:
The Internet has many advantages.
Conclusion
Para. 5: ________________________
________________________
Advantage 1
____________________________________________________________
Advantage 2
____________________________________________________
Advantage 3
____________________________________________________
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.
We can achieve almost anything online.
Task 2
Read the article again carefully and complete the table below with supporting details for each advantage.
P32 A2
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
Debate
Whether can we bring mobile phone into the classroom
Thanks
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 The following guidelines may show you how to live in the digital world.
To a certain extent
B1
Application
(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
sites
click
B1
Application
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.
comments
majority
aware
establish
B1
Application
the origin of the first email
the first webcam
the first emojis
Text structure
Structure
In this unit, you are going to:
write a report on Internet use;
read a blog post about living without a smartphone for a week;
hold a debate about bringing mobile phones to school.
read an article about the advantages of the Internet;

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