(共28张PPT)
Period 2
Oxford English
10
Air
Air has no ______ or _______.
Air has no _______ or _______.
We cannot ____ it, but we can ____ it.
Air is __________.
colour
shape
smell
taste
see
feel
everywhere
It is important to all ______.
It is also important to ______ and _____.
We all need it to keep us ____.
people
animals
plants
alive
Look at the _____ and the ______.
Look at the _____ and the _____.
They all need it too.
It keeps them _____ in the sky.
kite
balloon
plane
bird
high
Air, water and food keep us alive.
Air pollution
Air keeps us alive.
We get sick if the air is too dirty.
It's dirty.
It's clean.
What’s the matter, Kitty Are you crying
I’m not crying. My eyes hurt.
It’s the smoke.
Where is the smoke from
It’s from the cars and buses.
Look at the black smoke from the factory.
It makes the air dirty.
Let’s go to the park, Ben.
The air is clean there.
OK.
What’s the matter with Kitty
It’s the smoke.
It’s from cars, buses and the factory.
Her eyes hurt.
What hurts her eyes
Where is the smoke from
What’s the matter, Kitty Are you crying
I’m not crying. My eyes hurt.
It’s the smoke.
Where is the smoke from
It’s from the cars and buses.
Look at the black smoke from the factory.
It makes the air dirty.
Let’s go to the park, Ben.
The air is clean there.
OK.
The air is so fresh here.
Yes. There are a lot of trees in the park. Trees keep the air clean.
We should plant more trees and keep the air clean.
Yes! We should keep our city clean.
The air is so fresh here.
Yes. There are a lot of trees in the park. Trees keep the air clean.
We should plant more trees and keep the air clean.
Yes! We should keep our city clean.
The air on Earth is getting dirty.
We burn coal to make electricity(电).
Factories give out a lot of smoke.
factories
cars
buses
burning wood
fire crackers
Look at the pictures.
Talk about them with your classmates.
plant more trees
ride our bikes more often
take buses more often
dirve our cars less often
use both sides of the paper
tell factories not to pullute the air
Look at the pictures.
Talk about them with your classmates.
Our future
Which do you want
We only have one Earth!
We must keep it healthy!
API and Health Implications (Daily Targets)
API Air Pollution
Level:
0 - 50 Excellent
51 -100 Good
101-150 Slightly Polluted
151-200 Lightly Polluted
201-250 Moderately Polluted
251-300 Heavily Polluted
300+ Severely Polluted