Unit 4 Information technology Lesson 3 Internet and friendships 课件-(共22张PPT)2025-2026学年北师大版（2019）必修第

(共22张PPT)
Information Technology
Unit 4
Lesson 3—Reading (1)
Lead in
Give your reasons.
Positive aspects
Negative aspects
Pre-reading
1.Argumentative writing(议论文)：以议论为主要表达方式，通过摆事实、讲道理、直接表达自己的观点和主张的文章体裁。
2.Topic sentence(主题句/论点)：陈述文章或每一个段落的主旨。
3.Supporting details(支持性细节/支撑句/论据)：支撑句提供关于该主题的更多信息。
4. 注意：在高考阅读中，利用文章或段落的结构关系解题至关重要，段落的语篇结构通常是主题句（总）+支持性细节（分）。
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.
Pre-reading
Identifying Topic Sentences and Supporting details
A topic sentence states _________________________ of a text or paragraph. Supporting details give more _____________________.
Read the text _____________________.
_____________________________ that states this general idea. This is the topic sentence.
Read the text again. ________________________ that supports the topic sentence, e.g. examples, reasons. These are _________________.
the general idea or the main point
information about that topic
to get the general idea
Identify one sentence for each argument
Look for extra information
the supporting details
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
Finally,I believe the Internet brings people closer together and makes communication with friends more convenient and interesting.
最后，我相信互联网能使人们更紧密地联系在一起，让朋友间的交流更加方便和有趣。
[
省略引导词that的 从句； ___________ 。
宾语
动词、介词之后是宾从
]
第三，在线交流实际上可以让人们更加亲近。现在只要点一下鼠标，就能找到你的朋友。无论何时有人需要帮助，来自世界各地的朋友可以立即提供有用的建议和信息。这能让朋友们感到被爱和被关心。对我来说，这非常令人发省，因为它指出了线上友谊的好处正如艾琳·肯尼迪·摩尔所指出的，网络朋友“填补了现实生活中的朋友无法填补的空白。”
多音节词，比较级前加more
The Internet can help develop friendships in many ways.
Firstly, the Internet makes communication much more convenient.
Secondly, the Internet has also made communication more fun.
Thirdly, online communication can actually bring people closer to each other.
分论点1
分论点2
分论点3
中心论点:
Read for Argument(论据)
任务：独自翻译相关行信息，并完成下表找出论证方法！
论证方法 Bolg 2
lines 6-9（行）
lines 12-14
lines 16-17
对比比较
回忆论证方法：
引用权威
常理判断
举例说明
对比比较
使用数据
引用权威
常理判断
Blog2 段4
第二句：Nowadays, your friends are just a click away.
结尾句：As Eileen Kennedy-Moore,an authority on the subject,points out,online friends"fill holes real-life friends can't”.
Read for words
你如何理解标红处？语言有何妙用？
暗喻：隐而不显的比喻。
Thirdly,online communication can actually bring people closer to each other.
Read and think
“General idea” usually comes from the first paragraph of the passage.
Read and think
“Topic sentence” usually comes from the first sentence of the paragraph.
Read and think
Read the first blog post again. Complete the information on the left side of the diagram.
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.
Read and think
What is “Topic sentence” and “Supporting details”
Read and think
A topic sentence states the general idea or the main point of a text or paragraph.
Supporting details give more information about that topic.
Talking online is no replacement for face-to-face contact
Replace sth with/ by用…替换 （replacement）
Take the replace of=take one’s place代替
育儿专家
What does “it” in this refer to
Concentrate on集中注意力于
Concentration
Concentrate one’s mind/attention/oneself on 致力于
The Internet can make
people self-centred
Be concerned with关心
As far as I am concerned 就我而言
Concerning（介）关于
Addition 新增人员，增加
Add up to合计为
n. 内容，目录，容量
Adj. 满足的 v.使满足
Be content to do/ with sth
To one’s heart’s content尽情地
课堂及时复习（单词、短语和句型）
1、读背知识点
2、检测（集体默写，抽查默写）
3、完成相应练习册/学案上基础题
Ⅰ.单词拼写
He forced himself to ________（关注）his thoughts on work.
The company‘s market share is 48 _______(百分比)in the marketplace.
They put their arms around each other and ________ (拥抱).
Successful people have some good qualities and above all, they are never ________ (满足) with a simple life so they keep fighting until they are top ones.
We were invited to give our ________ (意见) about how the work should be done.
It was fortunate that the water was ________（浅的）and the children were able to go through it.
The diet for the patient should be ___________ (保持)unchanged for about a year.
The true concept of mobile phones has disappeared, and now we have ___________ (智能手机）
focus
percent
hugged
content
opinions
shallow
maintained
smartphones