(共32张PPT)
译林版·八年级下册
Unit 3 Onling tours
Welcome to the unit
学 习 目 标
1.掌握本课时新单词及短语：programme, keyboard, unit, main unit, mouse, screen, receive, look like, search for information, send and receive emails
1
3.能用英语谈论电脑的基本用途。
2.了解并掌握电脑主要部件的英文名称。
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.
4. 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.
mice
received
have seen
Revision
to open
to do
change
Free talk
1) What do you usually do when you are free
2) Do you have a computer at home
3) Do you like playing computer games
4) Do you only use your computer to play games
5) What do you use your computer for Why
7) How often do you use your computer to…
Listen and answer
Listen to the conversation between Eddie and Hobo and answer the following 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.
Q uestions
Read and act out the dialogue.
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
What are thess
Let’s watch this video clip. It’s about the different parts of a computer. After watching it, let’s talk about how these parts work together.
Talk
screenn.
屏幕,显示器
keyboardn. 键盘
main unitn.
(电脑)主机
Mouse n. 鼠标
(pl. mice或mouses)
send and receive e-mails
write computer programs
do word processing
search for information
go shopping online
make cards and homepages
play games
I use it to
draw and design
Do you know any other uses of computer
1. A __________ is used for typing information into
the computer.
2. A _______ is used for moving the cursor (光标) on the screen.
3. The __________ is the heart of the computer.
4. We can see words and pictures on the _______.
keyboard
mouse
main unit
screen
Test your memory
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
1.What does Simon usually use his computer for
2.Why
3.How often does he use his computer
Almost every day.
He usually uses his computer to search for information.
Because it’s fast and easy.
Simon and Daniel are talking about the different uses of computers. Listen to their conversation and answer the question.
Daniel : What do you usually use your computer for
Simon : I usually use it to search for information .
Daniel : Why
Simon : Because it’s fast and easy .
Daniel : How often do you use your computer for this
Simon : Almost every day .
Read and act out
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: ...
chat with friends do word processing
play games search for information
sending and receive emails watch videos
learn English listen to music
shop online ……
Have a discussion (2 minutes)
For fun
For study
For life
do word processing
chat with friends
search for information
watch videos
send and receive emails
play games
What else can you use a computer for
...
...
...
...
...
...
Language points
1. online adj. 在线的，联网的
网购/网上旅游 online shopping/travelling
Young people like to chat with online friends.
年轻人喜欢和网友聊天。
2. agree with sb. 同意某人 (意见,观点,看法)
agree to do sth. 同意做某事
She agrees with her parents.她同意她父母的观点。
Lucy agrees to wash her clothes tonight.
露西同意今天晚上洗衣服。
3. use sth. to do sth.= for doing sth. 使用某物做某事
It’s fast and easy to use computers , to search for/ for
searching for information. 用电脑搜索信息既快又容易。
4. mouse鼠标 复数 mouses / mice
There are many mouses/mice for you to choose in the shop.
在这家店里有很多鼠标供你选择。
5.It looks like a TV.它看起来像台电视。
look/ be like 看起来像
He did not look like an evil person.
他看起来不像一个恶人。
【拓展】look at 看一看 , look for 寻找
look after 照顾 , look out 留神，当心
look forward to sth / doing sth.
期盼着……某事/做某事
6. Let’s change the channel. 咱们换个频道吧。
change (vt. 换)
change (vi. / n改变，变化)
过去几年里我的家乡发生了巨大的变化。
My hometown has changed a lot in the last few years.
There have been a lot of changes in my hometown in the
last few years.
7. send and receive emails收发邮件
receive vt. 收到，接到
I have just received his reply.我刚刚收到他的回信。
辨析：receive VS accept
receive 动词，意为“接到”，指收到某物这一动作，不包含
本身是否愿意接受的意思。
accept 动词，意为“接受”，指经过考虑。
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，但我拒绝接受。
【注意】receive是短暂性动词，不能和由since / for引导的短语连用，必须转化成延续性动词。
I have received your email.
I have had your email for a few hours.
同样，hear from sb. = receive one’s letter也这样使用
He has just received your letter.
= He has just heard from you.
他上周收到了你的信。
He received your letter last week.
= He heard from you last week.
He has had your letter for a week.
= He has had your letter since last week.
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
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..
短语
1.网上旅行
2.你以前用过这个吗？
3.看起来像一个电视机
4. 这个节目
5. 遥控器
6. 换频道
7.主机
8.做文字处理
9.搜寻信息
10.收发邮件
11.看录像
online tours
Have you used this before
look like a TV
this programme
the remote control
change the channel
main unit
do word processing
search for information
send and receive emails
watch videos
pianos, photos, radios,
zoos, kilos
tomatoes, potatoes,
mangoes, heroes
短语翻译
Exercises
12.你通常用你的电脑
做什么？
13.用它搜寻信息
14.你多久用你的电脑
做一次这个？
15. 它在这里。
12. What do you usually use your computer for/ to do
13. use it to search for information
14. How often do you use your computer for this
15. Here it is.
Here you are. (部分倒装)
Here comes the bus!
（全部倒装）
选择 mouse，keyboard,screen或main unit 填空
A __________ is used for typing
information into computer.
2. A _______ is used for moving the
cursor（光标） on the screen.
3.The __________ is the heart of the computer.
4.We can see words and pictures on the
_______.
keyboard
mouse
main unit
screen
达标检测
完成下列句子。
1）We can use computers to ______________________ (查找信息).
3）We can use computers to______________________ (收发电子邮件).
4We can use computers to________________ (文字处理)
5）We can use computers for_____________(和朋友聊天)
6）We can use computers for_______________(观看录像).
7) It ______________ (看起来像) a television.
search for information
receive and send emails
do word processing
chat with friends
watching videos
looks like
Homework
Search for information about the development (发展) of computers.
2. Preview Reading.
谢谢
21世纪教育网（www.21cnjy.com)
中小学教育资源网站
兼职招聘：
https://www.21cnjy.com/recruitment/home/admin
