内容正文：
Unit 3 welcome
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We use it to control the whole computer.
What else can we use to have online tours?
smart phone
Besides computers
smart TV
tablet
Wi- Fi
What do you use your computer for/to do?
chat with friends
send and
receive emails
play games
do word processing
search for
inforamtion
watch videos and programmes
Simon& Daniel
1.What does Simon usually use his computer for?
2.How often does he use it?
He usually uses his computer to search for information.
He uses it almost every day.
computer
smart phone
tablet
A: what do you usually use… for?
B:I usually use it to….
A:why?
B:Because….
A:How often…?
B:….
smart TV
What’s the difference between
a TV and a computer?
What do Eddie and Hobo think the computer looks like?
What do they think the mouse is?
What do they use the mouse to do?
They think the computer looks like a TV.
They think the mouse is a remote control.
They use the mouse to change the channel.
1.What is the man wearing?
2.Is the lion real?
Ben: Hi, Taylor. What are you doing?
Taylor: I’m researching（研究，调查） a report
on virtual reality.
Ben: That’s interesting. What’s this?...
Whoa… a lion!
Taylor: Are you OK?
Ben: Didn’t you see the lion? Where did it go?
Taylor: Oh, Ben! The lion isn’t real. You just saw
it with that headset.
Ben: Really? But it looked so real!
virtual reality headset
虚拟现实
头戴式装置
What new technology are you
excited about? Why?
I’m excited about …,because it’s ….So I can use it to….I hope …(realize/ come true).
smart watch
smart glasses
smart bracelet
3D printer
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let's try our best to
make life better
with technology!
1.Which __________（节目）do you like best in this year's Spring Festival Gala?
2.Every time you reach a new place, you will see a lot of useful information about that place on your_______（屏幕）．
3.Don't you know there will be a football game on __________ （频道）Five of CCTV?
4.T