北师大版（2019）必修 第二册Unit 4 Information technology Topic Talk 课件(共24张PPT)

(共24张PPT)
Unit 4
Information Technology
P6-7 Topic Talk
What is information technology
(abbr. IT) the theory and practice of using computers or electronic equipment to store and analyse information.
How has it changed our daily lives
In what way do you use it
Why do you use it
What will its future probably be like
Information Technology
P6-1
Reasons:
are so convenient,
make life easier,
enable better communication,
provide convenience /education
/information
I love exploring new technologies, because they ___________.
P6-2
Uses
chat
communicate
buy things
find information
learn about new things
I use apps to ________ online.
I also like chatting online. It ____.
Well, too much chatting online _______.
Effects/Impacts
makes communication convenient
/me feel less lonely,
helps me develop new friendships,
enables people to communicate 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
positive
negative
listen complete it by underlining the words you hear.
Text Builder
I love exploring new technologies, because they ________________.
I use apps to ___________ online.
I also like chatting online. It _______________________. Well, too much chatting online ________________.
Reasons
Uses
are so convenient
buy things
Effects/
Impacts
makes me feel less lonely
takes a lot of time
Positive
Negative
听力文本 （W = Woman M = Man）
W：I love exploring new technologies，because they are so convenient .
You know，I use apps to buy things online and I usually receive them the same day!
M：Wow，that’s really convenient.
W：Indeed! I know one that can even help you get what you order within two hours!
M：What is it I’d like to try that，too.
W：Sure，here it is. Besides shopping online，I also like chatting online. It makes me feel less lonely. Technology really enables people to communicate better with each other.
M：That’s true! But are there any disadvantages about these new technologies
W：Well，too much chatting online takes a lot of time. We really need time to focus on what we are doing.
I love exploring new technologies, because they are so convenient.
I often use apps to buy things online and usually receive them the same day.
I also like chatting online because it makes me feel less lonely. Technology really enables people to communicate better with each other. However, too much chatting online takes a lot of time.
Uses
Reasons
Effects/ Impacts
低配版
I use apps to chat with my friends, shop online and watch movies.
Thanks to the modern information technology, our equality of life has improved. Especially during the epidemic, the role of the information technology is highlighted. We can have classes without going to school.
I really like surfing online. It provides me lots of information and daily news. However, it takes a lot of time and the information obtained by the network is fragmented.
My example
Uses
Reasons
Effects/ Impacts
高配版
□ are so convenient
□ make life easier
□ enable better communication
□ provide convenience
□ provide education
□ provide information
……
Reasons
I love exploring new technologies, because they ______.
□ chat with…
□ communicate with/by…
□ learn about new things like…
□ find information about…
□ buy things …
□ ……
Uses
I use apps to ________ online.
Effects/Impacts
□ makes communication convenient
□ makes me feel less lonely
□ helps me develop new friendships
□ makes us self-focused
□ enables people to communicate better
□ makes us live in an unreal world
□ takes a lot of time
□ makes us addicted to it
□ does not encourage face-to-face communication
I also like chatting online. It ________.
Well, too much chatting online ___________.
Apps
Activity 4 Listen to Dialogue 2 talking about apps and take notes
Apps 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 _____________.
You will get updated
different personalities
Alarm Clock
my time is up
Games
relax
I can’t sleep or feel nervous
P7-4
P99-4.2
Boy： This new phone is a birthday present from my parents. I’ve downloaded lots of interesting and useful apps
already. I like this music app—I can listen to songs when I can’t sleep or feel nervous. It really helps me relax.
Girl： That’s cool! I like reading news on my phone. Do you have any recommendation
B： Oh，yes! You can download this app! You’ll get updated with the news all day long.
G：Super! What’s your favourite app
B： I enjoy playing games. I have downloaded quite a few apps for different games. I use different avatars in different games and this is really cool because they let me explore different personalities. New games make my life interesting.
G： Wow! That sounds cool! But you need to be careful about spending too much time on them—you could get addicted.
B： Well，I admit it. So I downloaded an app called “Alarm Clock”. Once I play games for more than an hour，a bell rings to remind me that my time is up.
Talking
Talk about the apps you find useful and the problems you should be aware of. You can follow the clues below.
Apps: I use Apps for different games.
Benefits: … because new games make my life interesting.
Problems: But I am afraid I may get addicted.
Solutions: So I downloaded an app called “Alarm Clock”.
First Industrial Revolution
Third Industrial Revolution
Klaus Schwab
“The First Industrial Revolution used water and steam power to mechanise production. The Second used electric power to create mass production. The Third used electronics and information technology to automate production（自动化）.”
Technology is anything that wasn't around when you were born.
-Alan Kay
(1940------).
An American computer scientist best known for his innovative (创新的) work in the field of computer programming.
We are all now connected by the lnternet like neurons in a giant brain.
- Stephen Hawking
An English theoretical physicist and mathematician who was a researcher at the University of Cambridge
(1942-2018)
The Internet is becoming the town square for the global village of tomorrow.
-Bill Gates
(1955----)
The co-founder of the Microsoft Corporation.