课件28张PPT。Unit3 Online tours
Welcome to the unit!travel around the world onlineStudying Aims:
1. To name the different parts of a computer.
2. To grasp and talk about the basic uses of computers.
3. To know the main topic of this unit.Remember the new words.Guide Onescreen
keyboard
unit
main unit
mouse
programme
channel
remote control 屏幕,显示器键盘机件; 单位主机鼠标节目频道遥控器Let's read!What do you usually do when you are free?Free talkAnnie, 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 computerskeyboard main unit mouse screenmain unit
主机mouse
鼠标screen 屏幕keyboard 键盘a computerWhat else can we do with a computer? Guide Two
Learn more about computers do word processing
文字处理What do you usually use your computer for?
I usually use it to …send and receive emails
收发电子邮件What do you usually use your computer for?
I usually use it to …watch programmes or videos
观看节目What do you usually use your computer for?
I usually use it to …search for information
搜寻信息 What do you usually use your computer for?
I usually use it to …chat with friends 和朋友聊天What do you usually use your computer for?
I usually use it to …play games 玩游戏What do you usually use your computer for?
I usually use it to …Listen and answer.What does Simon usually use his computer for? Why?He usually uses it to search for information. Because it’s fast and easy.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
sending and receive emails watch videosGuide Three
Let's practice!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: ...Guide Four
Let's think!Do Eddie and Hobo know well about computers?What do Eddie and Hobo think the computer look like?
Do you know what “the remote control” really is?Listen and answer the questions.They think it looks like a TV.It is a mouse.Read and act out the dialogue.Fill in the blanks
Hobo and Eddie 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
beganRead the dialogue and
act it out!看起来像
遥控器
换频道
了解电脑
(电脑)主机
与朋友聊天
做文字处理
搜索信息
收发电子邮件
观看视频
用…做… look like
the remote control
change the channel
learn about computers
main unit
chat with friends
do word processing
search for information
send and receive emails
watch videos
use…for..Practice用所给词的适当形式填空。
1. Daniel keeps two white _____ (mouse) as pets.
2. I ________ (receive) an email from my cousin two days ago.
3. I ________ (see) this movie before.micereceivedhave seenRevision4. They used a knife ______ (open) the door.
5. This old man can use a computer _____ (do) word processing.
6. I don’t like watching football games. Let’s ______ (change) a channel.to dochangeto openHomework1. Read the text book and learn the new
words and phrases by heart.
2. Do the exercises in the workbook.