北师大版（2019）必修 第二册Unit 4 Information technology Lesson 3 Internet and Friendships公开课课件(共36张PPT)

(共36张PPT)
Unit 4 Information Technology
Lesson 3 Internet and Friendships
目录页
contents
Pre-reading
I
IV
Fast Reading
II
Grammar
V
III
Language Points
Homework
Ⅰ
Pre-reading
Pre-reading: Activate and share
How do you often interact with your friends in your daily life
For example:
I often give a like to my friends’ WeChat Moments.
Pre-reading: Group work
Do you think Internet plays an important part in our friendships nowadays In positive ways or negative ways
Positive aspects
Negative aspects
brings people closer together
makes people self-centred
Ⅱ
Fast 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
Fast reading: Read and explore
Skim the two blog posts quickly and find their points of view about the Internet and friendships.
Post 1
Title :
Topic sentence:
Post 2
Title :
Topic sentence:
The Internet Harms Friendships
While the Internet can bring people closer together, it can also harm friendships. (Para 1)
The Internet Helps Friendships
The Internet can help develop friendships in many ways. (Para 1)
Fast Reading: Read and think
What is the writing style of the two blog posts
Arguments
Supporting details
Conclusion
Topic
议论文 (Argumentation)
基本结构 :
Citing ideas from experts or authorities
Referring to common knowledge
Giving examples
Using comparison and contrast
Using data
For example: Refer to common knowledge
Nowadays, your friends are just a click away. Whenever someone needs help, friends from all over the world can immediately provide useful suggestions or information.
Read the two blog posts again and identify the methods they used. Find examples from the text.
Fast reading
Summary
议论文的基本结构: (Argumentation)
Argument 1
Supporting details
Conclusion
Topic
Argument 2
Argument 3
Argument …
Theory
Facts
Examples
Data
Comparison and contrast
Group work
Choose one position. Each member of the group presents one argument to support your position based on the notes taken.
positive vs negative
Ⅲ
Language Points
Language Points
1. I find online communication rather familiar / shallow. Face-to-face conversations are more meaningful.
2. In my idea / opinion, playing computer games is one way to escape from reality.
3. Sometimes it’s easier to give a response / understanding with an emoji, rather than typing out a long answer.
Choose the correct options
Language Points
1. I find online communication rather familiar / shallow. Face-to-face conversations are more meaningful.
2. In my idea / opinion, playing computer games is one way to escape from reality.
3. Sometimes it’s easier to give a response / understanding with an emoji, rather than typing out a long answer.
Choose the correct options
4. They maintain / help their friendships through online communication.
5. Having games on my mobile phone can make it difficult to be aware of / focus on my homework.
6. When reading an article online, it’s important not to skim too much, so that you can understand the full context / choice.
Language Points
Choose the correct options
4. They maintain / help their friendships through online communication.
5. Having games on my mobile phone can make it difficult to be aware of / focus on my homework.
6. When reading an article online, it’s important not to skim too much, so that you can understand the full context / choice.
Language Points
Choose the correct options
While the Internet can bring people closer together, it can also harm friendships.
虽然互联网可以让人们走得更近，但它也会伤害友谊。
while 表示让步，通常放句首，意为“虽然，尽管”
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Focus on Language: Difficult sentences
Focus on Language: Practice
1. While I agree with your reasons, I can’t allow it.
译：_______________________________________
2. ______ he loves his students, he is very strict with them.
译：________________________________________
尽管我同意你的理由，但我不能允许这样做。
尽管他爱他的学生，但他仍然对他们严格要求。
While
while 表示对比或转折，一般位于句中，意为“而，然而”
Focus on Language: Difficult sentences
1. You like sports, while I prefer music.
译：____________________________________
2. Some people waste food, ______ others haven’t enough.
译：_____________________________________
你喜欢体育，而我更喜欢音乐。
有些人浪费食物，然而有些人却吃不饱。
while
It is these skills that enable us to develop lifelong friendships.
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Focus on Language: Difficult sentences
正是这些技能使我们能够发展终身的友谊。
本句为强调句：It is / was + 被强调部分 + that / who +其他部分。
It was I that / who saw him in the street last night. 强调主语
It was him that / who I saw in the street last night. 强调宾语
It was in the street that I saw him last night. 强调地点状语
It was last night that I saw him in the street. 强调时间状语
For example(改为强调句)：
I saw him in the street last night.
Focus on Language: Difficult sentences
Focus on Language: Practice
1. 几周前我参观了博物馆。
I visited the museum a few weeks ago.
It was the museum that I visited a few weeks ago.
2. 直到她回来我才去睡觉。
I didn’t go to bed until she came back.
It was not until she came back that I went to bed.
3. 昨天我在街上见到了我的老师。
I met my teacher in the street yesterday.
It was my teacher that I met in the street yesterday.
Whenever someone needs help, friends from all over the world can immediately provide useful suggestions or information.
该句中 whenever 引导让步状语从句，可以替换为 no matter when. “no matter + 疑问词”只引导让步状语从句，而“疑问词-ever”既可以引导让步状语从句，也能引导名词性从句。
e.g. However / No matter how late he is, his mother will wait for him.
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Focus on Language: Difficult sentences
每当有人需要帮助，来自世界各地的朋友可以立即提供有用的建议或信息。
Focus on Language: Practice
1. _________________________ you say, I will not believe you.
2. _________________________ you go, don’t forget safety.
3. _________________________ team wins, I won’t care about too much of it.
4. _________________________ hard she tried, she couldn’t control her feelings when told her baby had been found.
Whatever / No matter what
Wherever / No matter where
Whichever / No matter which
However / No matter how
Ⅳ
Grammar
Compound words
friend_______
any_______
per________
web_______
on________
self- _______
real- ________
smart ________
Complete the compound words with a word from the circles. Then use them in the summary below.
site
ship
cent
thing
phone
line
centred
life
Focus on Grammar: Compound words
friendship
percent
website
online
anything
smartphone
self-centred
real-life
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.
friendship anything percent website
online self-centred real-life smartphone
online
friendship
real-life
smartphone
Focus on Grammar: Exercise
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.
self-centred
websites
percent
anything
friendship anything percent website
online self-centred real-life smartphone
Focus on Grammar: Exercise
合成词：
由两个或两个以上的词合成一个词
Group work: Think about more compound words
合成名词
合成形容词
合成副词
合成代词
1、名词 + 名词 = 名词
air + port = airport silk + worm = silkworm
2、形容词 + 名词 = 名词
green + house = greenhouse short + hand = shorthand
3、动词 + 名词 = 名词
pick + pocket = pickpocket
4、名词 + 动词 = 名词
sun + set = sunset sun + rise =sunrise
5、动名词 + 名词 = 名词
reading room sleeping pill
Focus on Grammar: Compound nouns
6、名词 + 动词-ing = 名词
hand + writing = handwriting sight + seeing = sightseeing
7、动词 + 副词 = 名词
look + out = lookout get-together
8、副词 + 名词 = 名词
back + ground = background down + town = downtown
9、名词 + 介词短语 = 名词
editor-in-chief father-in-law
Focus on Grammar: Compound nouns
1、形容词+现在分词
good-looking; easy-going
2、名词+现在分词
man-eating; peace-loving
3、副词+现在分词
forthcoming; outstanding
4、名词+过去分词
air-conditioned; man-made
5、形容词+过去分词
grey-haired; middle-aged
6、形容词+名词
first-rate; second-hand
barefoot; high-class
7、副词+副词：
faraway
Focus on Grammar: Compound adjectives
1、副词 + 副词
furthermore 而且、此外； however 然而、无论如何
2、代词 + 副词
somehow 以某种方式； anywhere 在任何地方
3、副词 + 名词
overhead 在头顶 / 空中 / 高处； downstairs 在楼下
4、形容词 + 名词
anyway 不管怎样、无论如何； meanwhile 同时、其间
Focus on Grammar: Compound adverbs
Ⅴ
Homework
Homework
In the second blog post, what does Eileen Knnedy-Moore mean when she says that online friends “fill holes real-life friends can’t” Give your reasons.
A person suffers from social anxiety and may find it easier to talk to people online.