Unit 3 The world Online Welcome to the unit & Reading 课件（共27张，内嵌视频） 高中英语 译林版 必修第三册

(共27张PPT)
Spot your favorite emoji!
Why do you like using emojis
To lighten the mood by introducing sarcasm/humor
To soften a blow
To find a more comfortable way to express ourselves
To communicate when words fail us
Unit 3 The world online
Welcome & Reading
three milestones
email webcam emoji
Which invention do you use most frequently Why
Welcome to the unit
Which invention do you use most frequently Why
I use emojis most frequently when I message my friends. Emojis are those small icons—smiley faces, winking eyes, hearts of all shapes, sizes and colors—that we use in text messages, emails and social media.
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What do you often do on the Internet？
What effect does the Internet have on you？
the most popular uses of the Internet
Worldwide data may tell a different story.
Social networking
Search information
Communication
File and data transfer
Entertainment
Pre-reading
According to the title, predict what could be discussed
The Internet: a world without frontiers
Fast reading
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Exposition
Narration
C. Argumentation
What is the genre of this writing
What’s the topic sentence of each paragraph
thesis statement（论点）
Read for main ideas and structure.
Para. 1
Para. 5
Para. 4
Para. 3
Para. 2
We can achieve almost anything online…
We have quick and easy access to a huge amount of information online.
E-commerce has made our lives more convenient.
The Internet helps us establish and maintain social ties.
The Internet has its problems.
Fast-reading
Introduction
Main body (3 advantages)
Concluion
However, while the Internet brings many valuable advantages, being connected has its problems.
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…
Above all else, the Internet helps us establish and maintain social ties.
cohesive devices
How is the structure shown clearly
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
Read for supporting details(论据)
Detailed reading
1
5
4
2
3
Aspects
Access to information
6
7
Food
Shopping
Travel arrangements
Transportation
Payments
Social life
Task 2-What examples can you think of to show the differences before and after the Internert
Task 2-How does the author show a before-and-after comparison
Gone are the days of searching shop after shop for the perfect boots-you can compare styles and prices quickly and easily in the comfort of you living room.Why wait hopelessly for a taxi in the cold rain It is now simple and fast to order one with a taxi app. Sit back and relax indoors for a few warm minutes until the driver arrives.
The Internet
However, while the Internet brings many valuable advantages, . As with(正如) any invention, we must be aware of these problems and be careful to . Only in this way can the Internet be a place of discovery, wonder and inspiration for every one.
being connected has its problems
use the Internet properly and responsibly
It is a world without frontiers.
Task 3-Read para.5 and answer, what attitude should we adopt towards the Internet
Detailed reading
Do you think the Internet is perfect
Discussion (group work)
What disadvantages of the Internet can you think of
Personal information may be stolen.
Internet Addiction may lead to social isolation and depression.
Internet viruses can infect and damage our computers and phones.
There may be troll and cyberbully.
…
A troll is a person who posts comments or questions in order to stir up trouble online. Trolls often use several false names so that they can stay on a site.
A cyberbully uses the Internet to be mean to others. Like a troll, a cyberbully will also write something mean but it is usually directed at particular people. He or she may also post embarrassing photos and information about those people.
How can we use the Internet properly and responsibly
Protect our privacy and do not easily trust some strangers on the Internet.
Control the time we spend on the Internet.
Never browse websites which could present potential danger.
Be aware of signs that warn us of dangers and viruses.
Be polite and do not spread incorrect or illegal information on the Internet.
Say no and cut off contact.
…
Make it a tool to help you,
not a trap to destroy you!
How do you understand the title
The Internet: a world without frontiers
3. How can we use the Internet properly and responsibly P33B1
____________, you should use the Internet in a safe way. You must always be careful about which ________to trust. One wrong _________ 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.
You also need to show respect when communicating with other online users. Leave ___________ politely and treat others the way you would like to be treated. Though the __________of online users are nice and friendly, there might be some users who make you feel uncomfortable online. In such cases, be _________that you always have the right to say no and cut off contact. Remember that relationships you _________ in the digital world are just the same as those you have in real life.
Above all else
sites
click
majority
aware
comments
establish
I hope we will use the Net to cross barriers and connect cultures.
— Tim Berners-Lee
n. 障碍，壁垒；关卡；分界线，屏障
The inventor of World Wide Web
The Internet is truly a world without frontiers only if we use the Internet properly and responsibly to make it a place of discovery, wonder and inspiration for everyone.
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.
Thank you!