北师大版（2019）必修第二册Unit 4 Information technology Topic Talk 课件(共17张PPT)

(共17张PPT)
UNIT 4
INFORMATION TECHNOLOGY
TOPIC TALK
Use the questions to talk about information technology.
In what way do you use it
Why do you use it
How has it changesd people’s daily lives
mobile phone
computer
Tablet
In what way do you use it
For learning
For entertainment
For news
Why do you use it
How has it changesd people’s daily lives
The way to working
The way to shopping
The way to entertainment
Read the Text Builder carefully .Then listen to the dialogue and complete it by underlining the words or expressions you hear.
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.
chat,communicate,buy things, findinformation,learn about new things
Uses
l also like chatting online. It_________
Well, too much chatting online_______
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 communicaton
Effects / Impacts
Use the Text Builder to talk about informaton technology
I like playing games on the internet,because it can relax me when I feel great pressure.
Listen to the dialogue.
Complete the notes in the table.
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__________
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. Then share it in groups.
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.
- Klaus Martin Schwab
· Klaus Martin Schwab(born in 1938),a German engineer and economist,the founder and executive chairman of the World Economic Forum.
The nternet is becoming the town square for the global village of tomorrow.
- Bill Gates
· BillGates(born in 1955),the co-founder of the Microsoft Corporation.
Technologyis anything that wasn't around when you were born.
- Alan Kay
· Alan Kay(born in 1940),an American computer scientist best known for his innovative work in the feld of computer programming.
We are alnow connected by the intemet like neurons in a giant brain.
- Stephen Hawking
Stephen Hawking(1942-2018),an English theoretical physicist and mathematician who was a researcher at the University of Cambridge.