仁爱版英语九年级上册U2T2SC课件.ppt

最新仁爱版九年级英语
Unit 2 Topic 2
Section C
warming up:
sing a song together.

“ If You're Happy
In our daily life, we should face more environmental problems.
Can you say something about them?
cities, pollute, health problems
In our daily life, we should face more environmental problems.
Can you say something about them?
factories, the land and the air, dead
In our daily life, we should face more environmental problems.
Can you say something about them?
cut down, millions of,
take away the earth,
become desert
In our daily life, we should face more environmental problems.
Can you say something about them?
oxygen
a special kind of oxygen
called “ozone” (O3)
a very big hole in the ozone layer,
too much harmful radiation from the sun
In our daily life, we should face more environmental problems.
Can you say something about them?
CO2 carbon dioxide
increase a lot, form a “blanket”,
the heat from the sun can’t escape
cause the level of the sea to rise
called “the greenhouse effect”
or “globe warming”
What other kinds of environmental problems
can you think of?
Talk about them with your classmates.
fewer trees
factory pollution
traffic pollution
the ozone layer
more carbon dioxide
Can you match them?
Fewer trees
Factory
pollution
Traffic
pollution
The ozone layer
More carbon
dioxide
All these problems are very serious. What can we do
to solve them?