北师大版（2019）必修第二册Unit 4 Information technology Lesson 3 Internet and friendships 课件(共18张PPT)

(共18张PPT)
Unit 4 Information Technology
Lesson 3 Internet and Friendships
Does the Internet help or harm friendships
Watch a video
Warm up
The Internet brings people that are far away closer together, and makes communication
much easier. On the Internet, a person in the United States can talk to someone in Australia and Puerto Rico at the exact same time. People can become familiar with people from other cultures.
What do you want to say about the two pictures
Warm up
What do friends usually do on the Internet
★ Chat on the cellphone/tablet
★ Text messages
★ Send E-mails
★ Share information or photos in Circle of Friends
★ Give a compliment in WeChat
★ Interact with you via comments and “likes”
★ Share his screen name and password with a buddy
…
Warm-up
Does the Internet help or harm friendships
Read the first blog post “The Internet Harms plete the information on the diagram.
While-reading
Arguments Supporting details Methods to support arguments
Introduction (Para. 1)
While the Internet can bring people together, it can also harm friendship.
Talking online is no replacement for face-to-face contact.
(Para.2)
1 Images cannot replace a real-life …
2 Communicating through a screen makes it more difficult … to concentrate or show kindness …
Citing ideas from experts or authorities;
Referring to common knowledge
According to a parenting expert …
As we know, important social skills
The Internet makes people self-centered. (Para.3)
1 Some people are only concerned
with their online popularity.
2 A lot of the content posted on
social media is shallow or trivial.
Online relationships may not be what they appear to be.
(Para.4)
Online friendship is not built on
the basis of trust, so going online can be dangerous for some people.
Giving examples
For example, instead of having proper conversations with their friends …
Conclusion (Para. 5)
Friends should focus more on face-to-face communication to maintain healthy friendships.
/
Read the second blog post “The Internet Helps plete the information on the right side of the diagram.
While-reading
The Internet Helps Friendships
Argument 1 (Para.2)
Topic sentence:
Supporting details:
Introduction (Para. 1)
Argument 2 (Para. 3)
Topic sentence:
Supporting details:
Argument 3
(Para.4)
Topic sentence:
Supporting details:
The Internet makes
…more convenient.
… stay in touch with;
… no matter where… or what …;
We can stay in touch without the limits of time and place.
… has also made communication more fun.
Online communication can actually bring people …
We can enjoy more creative and fast means of communication;
You can share photos, videos, news stories and websites … online.
We can offer help immediately;
Whenever …, friend from … immediately provide…;
This makes … feel loved and cared for.
Conclusion (Para. 5)
I believe the Internet brings people closer together and makes communication with friends more convenient and interesting.
While-reading
What is the writing style of Cathy’s blog post
An argumentative Essay
Conclusion (Para 5.) (concluding para.)
Body
Introduction (Para 1.) (opening para.)
the arguments
(Para 2-4. One argument one para.)
the supporting details
While-reading
Review
Advantages Disadvantages
People can keep contact with many
friends at the same time.
Anonymous（匿名的）online friends may be dangerous.
People get to know more new friends online.
The message can be saved to read later when people have time, and online friends are more tolerate with delayed reply.
Some people may feel safer with text-based communication rather than face-to-face communication.
Other aspects
It is easy to be trapped with too many messages, and it takes time.
It is not easy to have thought-provoking communication with online friends.
Other aspects
Grammar—Compound Words
What do compound words mean
Compound words are formed when two or more words are put together to form a new word with a new meaning. They can function as different parts of speech, which can dictate what form the compound takes on. For example, the word carry over is an open compound word when it’s used as a verb but it is closed when used as a noun and as an adjective.
Grammar
Grammar
Complete the compound words with a word from the circles. Then use them in the summary below.
World Builder: Compound Words
1 friend____
2 any_____
3 per_____
4 web_____
site
ship
cent
thing
5 on____
6 self-_______
7 real-_____
8 smart______
phone
line
centred
life
ship
thing
cent
site
line
centred
life
phone
Some people believe that the Internet has many negative aspects. Talking to people 1 ______ or having a 2 __________ with someone you only talk to on the Internet isn’t a replacement for 3 _________ communication. While it can connect you with other people who use a 4 __________, face-to-face contact with others is important to help you maintain healthy relationships. This argument is thought-provoking because it shows that people still need face-to-face communication with others today. In addition, spending too much time on the Internet can make you 5 ___________ because you can become obsessed with popularity and gaining followers. Finally, you need to be careful with various 6 _________ because you can never be 100 7 ________ sure that 8 _________ you read online is true.
online
friendship
real-life
smartphone
self-centred
websites
percent
anything
Grammar
Assignment
Does the Internet help or harm friendships
Draw lots to decide your position (Positive or Negative).
1 Introduction (Student A);
2 Argument 1 (Student B);
3 Argument 2 (Student C);
4 Argument 3 (Student D);
5 Conclusion (Student E)
Attention:
Cathy’s side – Refute (反驳) Cathy’s argument
Robert’s side – Refute Robert’s argument
The Internet Harms Friendships – The Internet Helps Friendships
Thank You !