北师大版(2019)必修2 Unit 4 Information technology Topic talk 课件-(33张ppt)

(共33张PPT)
Information Technology
Unit 4
Topic talk
Part 1—Lead in
Lead in
What can you see from the video
Lead in
What is information technology
(abbr. IT) the theory and practice fo using computers or electronic equipment to store and analyse information
Lead in
Information
Technology
In what way do you use it
Why do you use it
How has it changed people’s daily lives
......
Lead in
Reasons Why do you use it
Uses In what way do you use it
Effects/ Impacts How has it changed people’s daily lives
You should consider...
Part 2—Words and Expressions
Words and Expressions
app
/ p/
n. 应用程序
e.g. This is my favorite app.
Words and Expressions
enable
/ ne bl/
vt. 使可能，使发生
e.g. The software enables you to access the Internet in seconds.
Words and Expressions
convenience
/k n vi ni ns/
vt. 使可能，使发生
e.g. We have provided seats for the convenience of our customers.
Words and Expressions
effect
/ fekt/
vt. 实现；引起
n. 效应；影响
e.g. The overall effect of the painting is overwhelming.
Words and Expressions
impact
/ mp kt/
vt. 冲击；撞击
n. 影响；撞击
e.g. Her speech made a profound impact on everyone.
Words and Expressions
self-focused
/self f k st/
adj. 以自我为中心的；关注自我的
e.g. This means that you show interest in others and you are not solely self-focused.
Words and Expressions
be addicted to
沉迷
e.g. Some people may be addicted to netsurfing, which impairs their physical and mental health.
Words and Expressions
indeed
/ n di d/
adv. 确实；当然
e.g. Thank you very much indeed!
Words and Expressions
download
/da n l d/
vt. 下载
e.g. You can download the file and edit it on your word processor.
Words and Expressions
recommendation
/ rek men de n/
n. 建议；推荐
e.g. These recommendations can safely be ignored.
Words and Expressions
super
/ su p (r)/
adj. 极好的；了不起的
e.g. We had a super time in Italy.
Words and Expressions
avatar
/ v tɑ (r)/
n. 头像；图标
e.g. I created a new avatar instead of the old one.
Words and Expressions
explore
/ k spl (r)/
vt. 探究；探险
e.g. These ideas will be explored in more detail in chapter 7.
Words and Expressions
personality
/ p s n l ti/
n. 个性，性格
e.g. The children all have very different personalities.
Words and Expressions
admit
/ d m t/
vi.&vt. 承认
e.g. He refused to admit his guilt.
Words and Expressions
alarm
/ lɑ m/
n. 闹钟
e.g. He refused to admit his guilt.
Part 3—Read ,talk and listen
Read and think
Read the Text Builder carefully. Then listen to the dialogue and complete it by underlining the words or expressions you hear.
Text Builder
Information Technology
I love exploring new technologies, because they _____________.
Reasons
are so convenient, make life easier, enable better communication
provide convenience/ education/ information
I use apps to _____________ online.
Uses
chat, communicate, buy things, find information , learn about new things
Read and think
I also like chatting online. It _____________.
Well, too much chatting online______________.
Effects/ Impacts
makes communication convenient/ me feel less lonely
helps me develop new frendships enables people to communicat better
makes us self-focused/ live in an unreal world/ addicted to it
takes a lot of time
does not encourage face-to-face communication
Read and listen
Text Builder
Information Technology
I love exploring new technologies, because they _____________.
Reasons
are so convenient, make life easier, enable better communication
provide convenience/ education/ information
I use apps to _____________ online.
Uses
chat, communicate, buy things, find information , learn about new things
are so convenient
buy things online
Read and listen
I also like chatting online. It _____________.
Well, too much chatting online______________.
Effects/ Impacts
makes communication convenient/ me feel less lonely
helps me develop new frendships enables people to communicat better
makes us self-focused/ live in an unreal world/ addicted to it
takes a lot of time
does not encourage face-to-face communication
makes me feel less lonely
takes a lot of time
Read and Listen
Talking time!
Read and listen
APP Reasons for use
Music app
I listen to songs when______________.
It really helps me ________________.
Apps for the news ______________ with the news all day long.
_____________ I use different avatars, because they let me explore _______________________.
_____________ A bell rings to remind me that _______________.
I can’t sleep or feel nervous
relax
Get updated
Games
different personalities
Alarm Clock
my time is up
Think and talk
Talking time!
Talk about the apps you find useful and problem you should be aware of. You can follow the clues below.
Apps:
Benefit:
Problems:
Solutions:
Part 4—Homework
Homework
Recite the key words and expressions.
Use the language you have learnt to write a short paragraph about the apps you find useful and the problems you should be aware of.