Unit 3 Online tours Welcome to the unit 课件（16张PPT）

(共15张PPT)
Unit 3 Online tours
Welcome to the unit
Do you often watch TV
What's your favourite TV programme
What channel do you like best
节目
频道
Guessing game
It knows everything.
It looks like a TV.
You can use it to play games, listen to music, chat with friends.
Read and answer the questions：
1.What do Eddie and Hobo think the computer look like
2.Do you know what “the remote control” really is
3.What do they want to use “the remote control” to do
They think it looks like a TV.
It is a mouse.
They want to use it to change the channel.
Fill in the blanks.
o
Eddie and Hobo know ________ about computers. Hobo thinks the computer _____ _____ a television. Eddie ______ with Hobo and he thinks the mouse is the _______ _______. They want to use the mouse to _______ ____ _______ because the programme _______ an hour ago.
nothing
looks like
agrees
remote
control
change the channel
began
Read and act
Do you know every part of a computer
main unit
keyboard
mouse
主机
camera
摄像头
screen
printer
modem
猫 (调制解调器)
speaker
memory
USB drive
store information
CPU
surf the Internet
中央处理器
内存
Central Processing Unit
The use of different parts of computer:
1. You use this set of keys for typing(打字).
2. You can use it to make the sound louder and more clearly.
3. You can move it with your hand to move the cursor(光标)on the screen.
4. You can see words and pictures on it.
5. A machine that puts your words and pictures onto paper.
keyboard
screen
speaker
printer
mouse
The history of computers
desktop computers
laptop computers
PC
What do you usually use your computer for
How often do you use your computer for this
What else can we use a computer to do
play games
chat with friends
do word processing
send and receive emails
watch videos
draw pictures
shop online
surf the Internet
Facts about computers Do you have a computer at home Yes
No
What do you usually use the computer for Search for information
Play games
Others:___________
How often do you use it Everyday
Once a week
Others:___________
Do your parents agree to let you use the computer to ... Yes
No
... ...
A: ...
B:...
A: What do you usually use your computer for
B: I usually use it for/to...
A: Why
B: Because...
A: How often do you use your computer for this
B: ...
Discussion:
Do you think computers are good for our students
What problems do computers cause
How should we use computers properly
One reporter
适当地
Homework
Read the two dialogues.
01
02
Preview 'Reading' and search for more information on the Internet.