北师大版（2019）必修第二册 Unit4 Information technology Topic Talk 公开课课件（10张PPT）

(共10张PPT)
Unit 4 Information Technology
Topic Talk
Three technological revolutions from the 18th century to the 20th century have changed human life influentially.
water and steam power mechanization (机械化) electric power mass production （规模化） electronics and information technology
automation
(自动化)
The First The Second The Third
Warming up
Activity 1: Pair Work
How has it changed people’s daily lives
In what way do you use it
Why do you use it
…
Use the questions to talk about information technology.
Information Technology
Activity 2
Text Builder Aspects
a. I love exploring new technologies, because they ___________________.
b. I use apps to____________ online.
c. I also like chatting online. It ____________________________. But too much chatting online__________________.
Reasons
are so convenient
buy things
makes me feel less lonely
takes a lot of time
Uses
Effects
/
Impacts
Listen to Dialogue 1. Complete the Text Builder.
Activity 3
chat with …
communicate with / by …
buy things such as …
find information about …
learn about new things like …
Uses
so convenient
make life easier
enable better communication
provide education
provide information
provide convenience
Reasons
Listen again and underline the phrases you hear.
Activity 3
make communication convenient
make me feel lonely
help me develop new friends
make us self-focused
Not encourage face-to-face communication
enable people to communicate better
make us live in an unreal world
take a lot of time
make us addicted to it
Effects / Impacts
Activity 4: writing and presentation
Information technology
Reasons
Uses
Use the Text Builder to write a short paragraph about information technology.
Effects / Impacts
Activity 5
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 ___________.
I can’t sleep or feel nervous
relax
Get updated
Games
different personalities
Alarm Clock
my time is up
Listen to Dialogue 2 and take notes.
Activity 6: Free talk
For example:
There is a weather app in my phone.
I use it to check weather and it’s really accurate.
Introduce what other apps you have in your phones.
Activity 7: Group work
Apps Reasons
Apps to recommend because …
Apps to develop because…
Continue to fill out the table and give your choice.