北师大版（2019） 必修第二册 Unit 4 Information Technology Lesson 3 Internet and Friendships 课件(16张ppt)

(共16张PPT)
Unit 4 Information Technology
Lesson 3 Internet and Friendship
Activate and Share
Do you think Internet helps or harms friendships
Positive aspects Negative aspects
1. make communication more convenient
2. make people closer
1. lack of real communication
2. bring dangers
3. …
3. …
Read and Explore
Read the first blog post “The Internet Harms Friendships.”
Underline the general idea and the topic sentence for each argument.
Negative aspects
Topic Sentence:
Argument 1
Topic Sentence:
Argument 2
Topic Sentence:
Argument 3
Talking online is no replacement for face-to-face contact.
The Internet can make people self-centred.
Online relationships may not be what they appear to be.
Read the first blog post again.
Underline the supporting details for each argument.
Argument 1：Talking online is no replacement for face-to-face contact.
Supporting details：Images really cannot replace a real-life smile or municating through a screen makes it more difficult for children to concentrate or show kindness to others.
It is bad for people to develop their social skills.
Argument 2：The Internet can make people self-centred.
Supporting details：Images really cannot replace a real-life smile or municating through a screen makes it more difficult for children to concentrate or show kindness to others.
It is bad for people to develop their social skills.
Argument 3：Online relationships may not be what they appear to be.
Supporting details：Images really cannot replace a real-life smile or municating through a screen makes it more difficult for children to concentrate or show kindness to others.
It is bad for people to develop their social skills.
Read and Explore
Read the second blog post “The Internet Helps Friendships.” Underline the general idea and the topic sentence for each argument.
Positive
aspects
Topic Sentence:
Argument 1
Topic Sentence:
Argument 2
Topic Sentence:
Argument 3
The Internet makes communication much more convenient.
The Internet has also made communication more fun.
Online communication can actually bring people closer to each other.
Read the second blog post again.
Underline the supporting details for each argument.
Argument 1：The Internet makes communication much more convenient.
Supporting details：You can stay in touch with friends no matter where you are or what you are doing.
Argument 2：The Internet has also made communication more fun.
Supporting details：You can share photos，videos，news stories and websites with your friends online.
You can give a brief response to a message with an emoji or a picture.
Argument 3：Online communication can actually bring people closer to each other.
Supporting details：You can share photos，videos，news stories and websites with your friends online.
You can give a brief response to a message with an emoji or a picture.
Thinking
1. How are the passages structured
Part 1: point out the view
Part 2: list the arguments
Part 3: make a summary
2. Read the two blog posts again. Identify what methods the writers used. Find examples from the text.
a. citing ideas from experts or authorities
b. giving examples
c. using data
d. referring to common knowledge
e. using comparison and contrast