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外研2003课标版《Listening and vocabulary》精品PPT课件优质课下载
constant temperature jackets
thinking quilt with a sensor
Task 1：Reading and Ticking
Task 2：Filling the Blanks
Amazing Inventions
Mr Xiao has invented some really useful things. His first invention is operated by a puter chip. Having put them on and turned the , people rise slightly from the ground and . Then people can move swiftly .
a pair of flying boots
hover
switch
in any direction
Invention 1
ZN: Mm! Can they ?
XF: Sorry. They do that yet. At the moment you can only travel about centimetres above the ground.
ZN: Well, it should save us buying so many
go up or down
can' t
fifteen
new shoes !
The second idea is a which thinks.
It can change its . This quilt has a tiny sensor and air pump inside.
The quilt will according to the changes in temperature. When the temperature is ,
quilt
thickness
make adjustments
higher