Unit 3 Online tours Welcome 课件 (共42张PPT)

(共42张PPT)
8上Unit 3 Online tours
Welcome to the unit
Learning about computers
screen
显示屏
main unit
主机
keyboard键盘
mouse
鼠标
复数: mouses
mice
menu
菜单
What else
CD – ROM 光驱
Hard disk 硬盘
USB drive U 盘
Speaker 扬声器
A Annie, Simon's cousin, wants to learn about the different parts of a computer. Look at the picture below and help her write the correct answers in the boxes.
Learning about computers
keyboard main unit mouse screen
screen
main unit
keyboard
mouse
Fill in the blanks.
1. A __________ is used for typing
information into computer.
2. A _______ is used for moving the
cursor (光标) on the screen.
3. A _________ of a computer looks like a big heavy box.
4. We can see words and pictures on the _______.
keyboard
mouse
main unit
screen
Complete the dialogue between Simon and Annie.
Simon : My new computer is much faster
than the old one. I can type very
easily, and the _________ is very
comfortable.
Annie : How do you know what you
should do when you look at the
_______
keyboard
screen
Simon: With the ______, you can choose
one icon in the ______ and click
on it for more details.
Annie: Oh. I see. How can your teacher
read your homework on the
computer
Simon: I can send him e-mails or print it
out.
Annie: Do you have a smart _________,
too
Simon: Yes, and it is the latest type.
mouse
menu
main unit
What can I use my computer for/ to do
I use it to (do) …/for (doing)…
draw and design
do word processing
write computer programs
go shopping online
chat with friends
search for information
read e-books
play games
send and receive e-mails
watch videos
---What do you use your computer to do/for
---I usually use it to (do)…
for (doing)…
draw and design/play games
search for information/
do word processing /listen to music/
send and receive e-mails/
go shopping online/
see a film/chat with friends online
…
What else can you do with a computer
Practice with your classmates using the
conversation between Daniel and Simon.
Tips:
search for information
How often…
搜索信息
表示频率，意为多久……
Simon and Daniel are talking about the different uses of computers. Listen to their conversation and answer the questions.
What does Simon use his computer for
How often does he use his computer to do this
To search for information.
Almost every day.
B Simon and Daniel are talking about the different uses of computers. Work in pairs and ask each other what you use a computer for. The ideas in the box may help you. Use the conversation below as a model.
chat with friends do word processing
play games search for information
send and receive emails watch videos
Model
Simon: Because it's fast and easy.
Daniel: How often do you use
your computer for this
Simon: Almost every day.
Daniel: What do you usually use your
computer for
Simon: I usually use it to search for information.
Daniel: Why
Do you often watch TV
What’s your favorite TV programme
What channel do you like best
What do you use to change the channel
Do you like playing online computer games
Free talk
Watch and act
Daniel found a good website for learning about places of interest around the world.
Task
Write an introduction to a country with the help of the Internet or libraries.
The world in computers
Listening
Questions
What do Eddie and Hobo think the
computer look like
2. Do they know anything about computers
3. What do they think the mouse is
4. What do they want to use the mouse to
do
They think it looks like a TV.
No, they don’t.
They think it is a remote control.
They want to use it to change the channel.
Fill in the blanks.
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
Language points
It looks like a TV.
look like 看起来像
He did not look like a evil person.
他看起来不像一个恶人。
回顾复习
look at 看一看 (七年级上)
look for 寻找 (七年级上)
look after 照顾 (七年级下)
look out 留神，当心 (七年级下)
I have just received his reply.
我刚刚收到他的回信。
send and receive emails
receive vt. 收到，接到
知识拓展：receive VS accept
accept用作动词，意为“接受”，指经过考虑，由主观意志来决定接受，动作者本身是主动的。例如：
We hope you can accept our invitation.
receive也是作动词，意为“接到”，指收到某物这一动作，本身有一定的被动性，不包含本身是否愿意接受的意思。
I received an invitation to the party yesterday, but I refused to accept it.
昨天我接到一份参加晚会的邀请，但我拒绝了接受。
I. 单项选择。
1. What’s the best present you have ever
______
A. received B. receives
C. receiving
2. His family are worried about him
because they haven't ______ letters
from him for a long time.
A. accepted B. received
C. written D. collected
Exercise
3. — Would you please see the film Iron
Man 3 with me tonight, Kate
— I’d love to, but I’ve ______ Linda’s
invitation to dinner.
A. suffered B. earned
C. received D. accepted
Reflection
1. look like
2. remote control
3. change the channel
4. What do you usually use … for
5. How often do you use …
Everything has two sides. We should make good use of the things around us, especially the computer.
写一句有关computer的警句送给同学：
(写在纸上，放投影，朗读，送给该同学)
***， don’t spend too much time on computer games.
***, you won’t be beautiful any more if you sit in front of the computer for a long time.
***, 作业帮 is useless, it can only give answers.
***, don’t believe in online friends too much.
……
Homework
Do you know how to name each part
of your computer Put tips on each part.
Thank you!