Computers （ Listening）
1.go over the listening and writing on page 21 and get ready for the writing.step 6 the design of the writing on the blackboardunit 3 computers
period 4
type of it
advantages
disadvantages
tv
you can both listen and watch.
you can’t write to friends.
web
you can find information.
it’s very expensive.
radio
you can listen to english.
you can not watch.
book
you can get information.
sometimes it is out-of-date.
personal robot
information
size
35 cm
what it looks like
robot with five arms
what it can do
all homework
price
50 yuan a day
bird-like android
information
size
10 cm
what it looks like
bird-like android
what it can do
sings beautifully
price
600 yuan
lonely android
information
size
2 m
what it looks like
large，energetic robot
what it can do
climbs mountains；plays guitar；sings karaoke
telephone number
room-1234step 7 record after teaching