牛津译林版（2019）必修第三册 Unit 3 The world online Welcome to the unit & Reading (I) 课件（共12张ppt）

Unit 3 The world online
Welcome to the unit & Reading (I)
Step 1 Lead-in
There are many important milestones in the development of the Internet. Read the web page on page 29 and answer the questions.
Q1: Who sent the first email and when?
It was sent in 1971 by Ray Tomlinson.
Step 1 Lead-in
Q2: What did the first webcam film?
A coffee pot outside the office.
Q3: What were emojis, small digital images used to do?
To express ideas or feelings.
Step 1 Lead-in
Q1: What do you often do on the Internet?
Q2: What effects do you think the Internet has on your life?
Step 2 Reading for the structure
The Internet: a world without frontiers

Step 2 Reading for the structure
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.
Step 3 Reading for specific information
{5940675A-B579-460E-94D1-54222C63F5DA}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
Step 4 Discussing and sharing
Q: The author believes that the Internet has benefited us in various ways. Can you think of any other examples to support the author's ideas?
Step 4 Discussing and sharing
Q: What do you think the problems with the Internet are? Make a list of them.
Step 4 Discussing and sharing
Let's share!
Step 4 Discussing and sharing
Summary
Advantages:
We can rent bikes and cars using mobile apps to save money and time;
We can share films and videos with our loved ones far away from us.
...
Disadvantages:
Personal information may be stolen; addiction to the Internet may lead to social insolation and depression; Internet viruses can infect and damage our computers and phones.
...
Homework
1. Read the article again and underline the difficult points that you cannot understand.
2. Finish Part B1 on page 33.