Unit 3 Online tours Welcome to the unit 课件（30张PPT）

8下 Unit 3 Online tours
Welcome to the unit
It knows everything.It looks like a TV.You can use it to play games, listen to music,chat with friends.
Guessing game
A computer
screen
main unit
keyboard
mouse
camera
loudspeaker(s)
pl. mice或mouses
['ki:b?:d]
['ju:n?t]
[skri:n]
Learn some new words about computers
Read different parts of a computer
keyboard
mouse
(pl.mice/mouses)
main unit
screen
printer
CD- ROM
键盘
鼠标
主机
屏幕
打印机
光盘
Game Time!
1.You use this set of keys for typing.

2.This can store more information.
3.You move it with your hand to move the cursor on the screen.
4.You can see words and pictures on it.

5. It’s the heart of a computer.
USB drive
Keyboard
Main unit
Mouse
Screen
光标
打字
储存
What can we use a computer to do?
We can use a computer to/for…
watch videos
search for information
We can use a computer to/for…
play games
We can use a computer to/for…
send and receive emails
We can use a computer to/for…
/r?'si:v/
收到
do word processing 文字处理
/'pr??ses??/
We can use a computer to/for…
chat with friends
We can use a computer to/for…
listen to music
We can use a computer to/for…
draw pictures
We can use a computer to/for…
shop online
/ ??n'la?n/
We can use a computer to/for…
read e-books
We can use a computer to/for…
What does Simon use his computer for?
He uses his computer to search for information.
How often does he use his computer to do this?
Almost every day.
Read and answer
Read the conversation together
Let's think!
Do Eddie and Hobo know well about computers?
Watch a video
1.What do Eddie and Hobo think the computer look like?
2.Do you know what “the remote control” really is?
[r?'m??t k?n'tr??l]
3.What do they want to use “the remote control” to do?
Read and answer the questions.
They think it looks like a TV.
It is a mouse.
They want to use it to change the
channel.
['t??nl]
Eddie and Hobo know ________ about computers. Hobo thinks the computer _____ _____ a TV. 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
Fill in blanks:
Discussion
Do you think computers are good for our students?
How should we use computers properly?
Don’t be crazy about computer games!
Don’t sit in front of computers for a long time!


Do more exercise and live a healthy life!

Spend more time with our families and friends.
Keep yourself safe from being cheated(被骗).
My advice
Summary
What have you learned today?
keyboard
screen
main unit
mouse
do word processing
chat with friends
search for information
watch videos
send and receive emails
play games
当堂反馈一：翻译词组
网上旅游
看起来像一台电视
这个无聊的节目
感到无聊
遥控器
它在这
让我们换频道吧
和朋友聊天
发送和接收电子邮件
做文字处理
online tour
look like a TV
this boring programme
feel bored
the remote control
here it is
Let's change the channel
chat with friends
send and receive emails
do word processing
当堂反馈一：翻译词组
搜索信息
用它搜索信息
用---做某事
看录像
快捷方便
多久一次
几乎每天
你通常用电脑做什么？
search for information
use it to---
use sth to do--/for---
watch videos
fast and easy
how often
almost every day
What do you usually use your computer for?
当堂反馈二：词汇题
1.Do you like to chat friends ? (在线)
2.-What do you think of the ?(节目）
-Very boring.
3.CCTV （频道）V is a sports one.I love watching football matches on it.
4.People use the (键盘）for typing.
5.You move the (鼠标） with your hand to move the cursor（光标） on the (屏幕）.
6.There are eight (单元） in our book.
online
programme
Channel
keyboard
mouse
screen
units
当堂反馈三：翻译句子
1.妈妈，我们换个频道好吗？
Mum,shall we ?
2.张老师经常用电脑收发电子邮件。
Mr Zhang often uses the computer .
3. 这台主机你买了多久了？
4.-你用你的电脑做什么？
-我用它来和我的亲戚朋友们交流。
change the channel
to send and receive emails
How long have you had the main unit?
What do you use your computer for?
I use it to communicate with my relatives and friends.
Homework
Recite the dialogues and learn the new words and phrases by heart.
2. Do the exercises in the workbook.