北师大版（2019）必修 第二册Unit 4 Information technology Lesson 3 Internet and Friendships课件(共25张PPT)

(共25张PPT)
Lesson 3 Internet and Friendships
UNIT 4
INFORMATION TECHNOLOGY
By the end of this period, students will be able to:
1. read and talk about how the Internet can harm and help friendships;
2. read for deep understanding;
3. summarise information.
CONTENTS
Pre-reading
I
While-reading
II
Post-reading
III
Sentences analysis
IV
Do you think the Internet helps or harms friendships Why
Positive aspects Negative aspects
· brings people closer together · · … · makes people self-centred
· …
·…
finding people sharing the same interest
Pre-reading
Identifying Topic Sentences and Supporting Details
A topic sentence states the general idea or the main point of a text or paragraph. Supporting details give more information about that topic.
Read the text to get the general idea.
Identify one sentence for each argument that states this general idea. This is the topic sentence.
Read the text again. Look for extra information that supports the topic sentence, e.g. examples, reasons. These are the supporting details.
Skill Builder
What are the two blog posts mainly about
A．The harm the Internet does to friendships.
B．How the Internet helps friendships.
C．Different people’s reactions to friendships on the Internet.
D．Different views on the influence of the Internet on friendships.
While-reading
Activity 1 Fast-reading for main ideas
√
Read and underline the general idea, the topic sentence for each argument.
1. Robert’s Blog Post
2. Cathy’s Blog Post
Read and underline the general idea, the topic sentence for each argument.
1．How are important social skills mainly developed according to Robert
A．Through talks on the Internet.
B．Through direct contact with people.
C．By working with others.
D．By being friendly to others.
√
The Internet Harms Friendship
Activity 2 Careful-reading for details
2．What can we know from paragraph 3
A．Self-centred people have proper communication with their friends.
B．Self-centred people are more likely to be concerned about how popular they are online.
C．The number of followers is more important than friendships in reality.
D．The content posted on social media is meaningless at all.
√
3．Which of the following is the basis of friendships according to Robert
A．Honesty. B．One’s ability.
C．One’s personality. D．Trust.
4．What is the best way to maintain healthy relationships according to Robert
Friends should focus more on face-to-face communication, and less on online communication.
√
1．How can the Internet make communication much more convenient
A．You can contact with your friends when you are abroad.
B．You can contact with your friends when you are cooking.
C．You can communicate with your friends even when you are on the train.
D．All of the above.
√
The Internet Helps Friendship
2．To make online communication more fun，what can you do
A．Write an email. B．Make phone calls.
C．Write a letter. D．Respond to a message with an emoji.
3．What is the purpose of Cathy by citing Eileen Kennedy-Moore’s words
A．To recommend a famous person.
B．To stress the importance of friendships.
C．To prove the benefits of online friendships.
D．To tell people to make more friends online.
√
√
1. What methods does the author use to support his arguments
a citing ideas from experts
or authorities
b referring to common knowledge
c giving examples
d using data
e using comparison and contrast
Deep Understanding
a citing ideas from experts
or authorities
b referring to common knowledge
c giving examples
d using data
e using comparison and contrast
2. What methods does the author use to support her arguments
3. What is the structure of the two blogs
general idea
supporting opinions
conclusion
1.Look at the sentence(Line 7, Para.2 ,Blog 1), “It is these skills that enable us to develop lifelong friendships”. What does “these” refer to (Critical thinking)
The word “these” refers to social skills, like concentrating or showing kindness to others.
2.(Line7,Para.4, Blog 2) What does Eileen Kennedy-Moore mean when she says that online friends “fill holes real-life friends can’t”
Online communication is a solution when there are difficulties with face-to-face communication, i.e. people live far apart, a person suffers from social anxiety and may find it easier to talk to people online, etc.
Post-reading
Activity 1 Discussion
Do you think the Internet helps or harms friendships Some people believe that the Internet is 1._______(harm) to municating through a screen 2.______(make) it more difficult for children to concentrate or show 3.________(kind) to others. It isn’t a replacement for face-to-face contact. Besides, the Internet can also make people self-centred, because they can become obsessed with popularity and 4. _______(gain) “followers”. Finally, people need to be careful 5._____various online relationships, for they can never be 100 percent sure that the people they are chatting to are being honest about 6._______they are.
harmful
makes
kindness
gaining
with
who
Activity 2 Summary
Fill in the blanks with the correct words.
However, others believe that the Internet can help develop friendships in many 7._______(way)．Firstly, the Internet makes communication much more convenient. People can keep in touch with friends wherever they are or whatever they are doing. Secondly, the Internet has made communication more fun. People can share photos, videos, news stories and websites with 8._____(they) friends online. Thirdly, online communication can 9.________(actual) bring people closer to each other. Whenever someone needs help, friends from all over 10.______world can immediately provide useful suggestions or information.
ways
their
actually
the
1. While the Internet can bring people closer together, it can also harm friendships. (Text 1 Para. 1 Line 1)
[句式分析]　此句为____________，其中while引导的是_________从句，表示 “_____________”。
[自主翻译]　______________________________________________
复合句
让步状语
尽管，虽然
虽然互联网可以让人们更亲近，但它也会损害友谊。
Sentences analysis
2. According to a parenting expert, Denise Daniels, communicating through a screen makes it more difficult for children to concentrate or show kindness to others. (Text 1 Para. 2 Line 5)
[句式分析]　此句为_________，communicating through a screen作______, it是__________,真正的宾语是_____________________________________.
[自主翻译]　______________________________________________
_________________________________________________________
根据育儿专家丹尼斯·丹尼尔斯的说法，通过屏幕
简单句
主语
形式宾语
to concentrate or show kindness to others
交流会使儿童更难集中注意力或对他人表示善意。
3 . Friendships are built on the basis of trust, and with online communication you can never be 100 percent sure that the people
you are chatting to are being honest about who they are. (Text 1 Para. 4 Line 21)
[句式分析]　此句为_________句，其中and引导两个并列分句。在后一个分句中，that 引导的为_________从句，you are chatting为省略了关系词的________从句，who引导的从句作的_______宾语。
[自主翻译]　______________________________________________
_________________________________________________________
about
并列复合
宾语
友谊建立在信任的基础上，通过线上交流，你永远
定语
不能百分之百地确信与你交谈的人是否以诚相待。
4 . You can stay in touch with friends no matter where you are or
what you are doing. (Text 2 Para. 2 Line 2)
[句式分析]　此句为______句。其中no matter where...or what ...引导__________从句。
[自主翻译]　______________________________________________
_________________________________________________________
复合
让步状语
无论你在哪里，又或者在做什么，都可以和朋友们
保持联系。
5. To me, this is a very thought-provoking argument, as it points out the benefits of online friendships. As Eileen Kennedy-Moore, an authority on the subject, points out, online friends “fill holes real-life friends can’t”. (Text 2 Para. 4 Line 14)
[句式分析]　这两个句子都是_________。第一个句子中，as 引导的是__________从句，译为 “______”； 第二个句子中，as引导的是_____ 从句，译为 “________”.
[自主翻译]　_______________________________________________
__________________________________________________________
___________________________________________________
复合句
正如
原因状语
因为
定语
对我来说，这非常发人深省，因为它指出了线上友谊
的好处。正如这方面的权威艾琳·肯尼迪·摩尔所指出的，网络朋友“填补了现实生活中朋友无法填补的空白”
Homework
Review what we have learnt and preview language points.