江苏省苏州市高新区第三中学校八年级英语下册 Unit 3 Online tours Welcome to the Unit课件 .ppt

scree n
main unit
keyboard
mic me ous e
CD-ROM drive 光驱
['məʊdem]
modem 调制解调器
printer
USB drive
speaker
menu （菜单）
program (程序)
icons (图标)
Fill in the blanks. 1. A _k_e_y_b_o_a_r_d__ is used for typing information into computer.
However, ……
I think ……
chat with friends watch videos/TV programmes
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.
It is a mouse.
Fill in the blanks
Eddie and Hobo know 1. nothing (everything, nothing) about computers. Hobo thinks the
computer looks like a 2. TV . Ehinks the mouse is the 3. r emote c ontrol . They want to use the mouse to 4. change the channel because the
2. A __m__o_u_s_eis used for moving the cursor(光标) on the screen.
3.A __p_r_in_t_e_r is used for putting the words and pictures onto paper.
4. Programmers(程序员) design ___p__ro_g_r_a_m__s____ to control computers.
It’s time for your turn!
Work in pairs.
Use Daniel and Simon’s conversation as a model.
Pair work:
A: What do you use your computer to do/for ?
B: I usually use it to/for …. A: Why?
No, they haven’t. 2. What do Eddie and Hobo think the computer looks like?
They think it looks like a TV. 3. Do you know what ‘the remote control’ really is?
pictures)
(click on icons for more mouse details)
printer
A: What’s this? B: It’s a keyboard. A: What can we use it for?
B: We can use it for typing.
(print words and pictures
out)
Practice: Different uses of computers
draw and design
do word processing
search for information
play games
send and receive e-mails write computer programs
Unit 3 Online Tours
Period 1 Welcome to the unit
computers
Free talk
Do you have a computer at home? What can you do with the computer?
How many parts are there in a computer? What is each part called? Does it have more uses(用途)? What can we use it for?
B: ….(interesting/ fast/ easy/ funny / safe/cheap…)
A: How often…? B:….
Do Eddie and Hobo know well about computers?
Listen, read and answer:
1. Have Hobo and Eddie ever seen a computer？
programme began an hour 5.a go .
Discussi
It’s harmful on
to our eyes, health, study..
It costs too much money..
We should make good use of (合理 利用) computers.
Do not spend too much time on computers, especially the online games!!!
Writing
Write about advantages and disadvantages of using computers.
Computers are widely used in our modern life. It can help us a lot in many ways. ……
5. We can see words and pictures on the _s_c_re_e_n__.
6. _M__e_n_u__ shows a list of information and lets you choose what to do.
keyboard (type) screen (see words and