Unit 3 Online tours Welcome to the unit 课件40张

(共40张PPT)
方方正正两个盒，
小老鼠在旁边卧。
每天敲敲又点点，
比尔盖茨乐呵呵！
(打一科技名词)
computer
Can you tell
Miss Wang
the names of
different parts?
screen 显示屏
main unit 主机
keyboard 键盘
mouse 鼠标
CD-ROM drive 光驱
printer
USB drive
speaker
channel (n) 频道
programme (n) 节目，计划
remote control (n) 遥控器
main unit
mouse
Screen
Word processing
receive
online
programme
remote control
channel
keyboard
Let’s read!
n. (电脑)主机
n. (pl. mice或mouses)
n. 显示屏，屏幕
n. 文字处理
vt. 收到，接到
adj. 联网的, 在线的
n. <英>节目; 计划, 方案 n. 遥控器
n. 频道
n. 键盘
screen
main unit
keyboard
mouse
mice / mouses
keyboard
mouse
screen
remote control
main unit
Free talk
What do you usually use your computer for?
I use my computer for watching videos.
. ………………….. to watch videos.
I use my computer to /for…
I use …… for playing games
I use…… to play games
I use my computer to /for…
I use……for searching for information
I use……to search for information
I use…… for doing word processing
I use…… to do word processing
Unit 3 Online travlel
The 1st period Welcome to the unit
Objectives
To introduce the topic of computer
To talk about the uses of computers

I use……for sending and receiving e-mails
I use…… to send and receive e-mails
I use…… for chatting with friends
I use…… to chat with friends
I use……for doing some shopping online
I use……to do some shopping online
A: What do you usually use your computer for?
B:I usually use it to…
A: why ?
B: Because…
A: How often do you use your computer for this?
B: …
Do they know much about computers?
Have you used this before,
Eddie?
No, never.
It looks like a TV.
I agree.
看起来像
agree with sb
agree to do sth
Look, this programme began an hour ago.
It’s boring.
Right. Where’s the remote control?
Ah, here it is. Let’s change the channel.
换台，调台
Fill in the blanks according to the dialogue.
Eddie and Hobo do not know what the computer is. Hobo thinks it _____ ______ a televison. Eddie thinks the mouse is the _______ ________. They want to use the mouse to _________ _____ ____________, because they think that is boring.
looks
like
remote control
change
the channel
Is the computer useful
or harmful?
Advantage (利)
Disadvantage (弊)
Correct uses bring us a better life.
Incorrect uses cause many problems.
Disadvantage (弊)
Advantage (利)
Advantages:
1.draw and design
2. search for information
3.do word processing
4.play games
5.write computer programs
6.send and receive e-mails
7.chat with friends
8.listen to music
9.do some shopping
10.watch videos
… …
Disadvantages:
1. Be bad for our eyesight
2.be bad for our health
3.make bad friends
4.cost much money
5.make us give up our study
6.make us be interested in nothing else
7. keep us away from the real world
8. Online crimes(犯罪)
9. Some information is bad for
the growth of students
10. It may take viruses(病毒)
1. Don’t spend too much time on computer games.
勿花费大量时间在电脑游戏上！
2. Don’t go through harmful websites.
勿浏览有害网站！
3. Don’t tell your personal information to strangers online.
勿泄露私人信息给陌生人！
suggestions












red
yellow
Testing time
根据首字母和中文提示写单词。
What are these ________________ (鼠标)
used for?
2. The programme is too boring. Let’s
change the c_______.
3. Look at the s_________. There are many
wonderful pictures on it.
4. We often use it to s_____ for information.
5. A: What is this on the desk?
B: It’s a k__________.You can type
words with it.
mice/ mouses
hannel
creen
earch
eyboard
翻译：
用他的电脑来观看视频
use his computer to watch videos
use his computer for watching videos
2. 收发邮件
send and receive emails
3. 同意某人（观点，意见）
agree with sb
同意做某事
agree to do sth
4. 换台
change the channel
5. 做文字处理
do word processing