北师大版（2019） 必修 第二册 Unit 4 Information technology Lesson 3 Internet and Friendships 课件 (12页PPT)

(共18张PPT)
Unit 4 Information Technology
Lesson 3
Internet and Friendships
Warming-up
Do you think the Internet helps or harms friendships Give your reasons. Write them down in the following table.
Positive aspects Negative aspects
Lead-in & Pre-reading
Skill Builder
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 the 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 eatral information that supports the topic sentence, e.g. examples, reasons. There are the supporting details.
Fast-reading 1
Read and Explore.
Read the first blog post “The Internet Harms Friendships.” Underline the general idea and the topic sentence for each argument.
Fast-reading 1
Read and Explore.
Read the first blog post “The Internet Harms Friendships.” Underline the general idea and the topic sentence for each argument.
Careful-reading 1
Read the first blog post again. Complete the information on the left side of the diagram.
Negative aspects
Topic Sentence:
Supporting details:
Argument 1
Topic Sentence:
Supporting details:
Argument 2
Topic Sentence:
Supporting details:
Argument 3
Fast-reading 2
Read and Explore.
Read the first blog post “The Internet Helps Friendships.” Underline the general idea and the topic sentence for each argument.
Fast-reading 2
Read and Explore.
Read the first blog post “The Internet Helps Friendships.” Underline the general idea and the topic sentence for each argument.
Careful-reading 2
Read the first blog post again. Complete the information on the right side of the diagram.
Postive
aspects
Topic Sentence:
Supporting details:
Argument 1
Topic Sentence:
Supporting details:
Argument 2
Topic Sentence:
Supporting details:
Argument 3
Post-reading
Choose one position.
Each member of the group presents one argument to support your position based on the notes taken.
Post-reading
Think and Share.
1. Look at the sentence from paragragh 2 in the first blog post, “It is these skills that enable us to develop lifelong friendships.” What does “these” refer to Do you agree with the statement Why or why not
2. In the second blog post, what does Eileen Kennedy-Moore mean when she says that online friends “fill holes real-life friend can't ” Give your reasons.
Post-reading
Are there any other advantages or disadvantages of online friendships If so, list them below.
Advantages Disadvantages
Post-reading
Here are five methods writers often use to support their arguments. 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
Post-reading
Complete the adjectives. Choose at least five adjectives to write five sentences in the space given. You may express either possitive or negative opinions about the use of the Internet.
1. r__w__rding
2. s__all__w
3. c__n__e__ient
4. sel__-cen__ __ed
5. l__mi__ing
6. b__ief
7. c__ea__ive
8. ch__erf__l
9. tr__s__ing
10. th__ __ght-provoking
1. ______________________
2. ________________________
3. ________________________
4. ________________________
5. ________________________
Focus on Language
Complete the compound words with a word from the circles. Then use them in the summary below.
Word Builder
Compound Words
1. friend ___________
2. any ___________
3. per ___________
4. web ___________
5. on _________
6. self- _________
7. real-_________
8. smart_________
site
ship
cent
thing
phone
line
centred
life
Focus on Language
Complete the compound words with a word from the circles. Then use them in the summary below.
Homework
Group Work Debate.
Does the Internet help or harm friendship Express your opinion by using examples or personal experiences.