Unit 2 Saving the earth. Topic 3 What can we do to protect the environment SectionB课件30张

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What can we do at home to protect our environmrnt sectionB
北京仁爱版 九年级 上册
Topic 3 What can we do at home to protect the environment
Section B
Unit 2 Saving the Earth
But now
Our earth mother is
crying
What caused these problems
Pollution
what kinds of pollution do you know around us
........
There are many kinds of pollution around us,
including
air pollution
light pollution
litter
water pollution
soil pollution
noise pollution
Who made these pollution
Humans
How do humans made these pollution
cut down trees
throw away litter
kill animals
pruduce waste gas
Pour waste water into rivers
Use disposable(一次性的） plastic products
Waste resource
...........and so on
Pollution has caused too many problems for us.
Such as :
disease
greenhouse effect
endangered animanls
Land desertification(荒漠化）
acid rain
So how to protect our environment
Do you want to be a greener person
1c Read 1a and complete the table.
To be a greener person
1._______________________________when you leave the room.
2. If you travel a short __________, you shouldn’t _________________ , but ________________. So this helps to ___________ and ____________.
3. When you go shopping, you’d better _____________ instead of using _____________.
You ought to shut off the electricity
distance
take a bus or a taxi
walk or ride a bike
save energy
reduce air pollution
take a cloth bag
plastic bags
What should you do if you would like to be a greener person
You should sort the garbage.
=You ought to sort the garbage.
Language points
ought to 应该 情态动词
ought to +动词原形
ought not to + 动词原形
You should /ought to …
shut off the electricity
n.电，电能
关闭
e.g. You should / ought to shut off the electricity when you leave a room.
You should/ought to ride a bike to your school.
You should/ought to take a bus to school instead of taking a taxi.
You should/ought to take a cloth bag when you go shopping.
What else can we do to protect
our environment
We shouldn't leave rubbish here and there
We shouldn't spit anywhere in public
We ought not to walk on grass or pick flowers
We ought to care for wild animals and plant more trees
Can you Retell 1a like this:
I would like to be a greener person.
First I ought to shut off the electricity when I leave a room.
Second, I’d better walk or ride a bike instead of taking a bus or a taxi if I travel a short distance. I will save energy and reduce air pollution.
Third, I will take a cloth bag when I go shopping. I won’t use plastic bags.
It’s easy to be a greener person.
How to protect our environment
In recent years,our enviornment is becoming worse and worse.So how to protect our environment
First,.........
Second,......
Third,.........
Let's protect our environment together,our world will become more and more beautiful!
2 Choose the correct verbs or phrases to complete the statements. Then match them with the right pictures.
shut off reduce grow recycle ride cover use
______ waste. Don’t buy cups or boxes which can be used only once.
Save electricity. ________ the electricity when you are not using it.
________ boxes and plastic bottles.
________ fruit and vegetables yourself.
Try to ________ a bike when you travel.
_________ both sides of the paper.
__________ pans when you are cooking.
Reduce
Shut off
Recycle
Grow
ride
Use
Cover
You ______ ______(应该) throw the rubbish into the garbage.
You should ______ ______(关闭)the electricity when you leave a room.
You’d better walk or ride a bike ______ _____ (代替) taking a bus or a taxi if you travel a short distance.
It’s so ______(容易) to be a greener person.
_______ _____ _____ _____ ________.
(行动胜于言辞)
Exercises
ought to
shut off
instead of
easy
Actions speak louder than words
Read 1a.
Write a passage about how to protect our environment
Finish Section B in your workbook.
Preview Section C.
Assignment
Let's promise together!
From now on,I will protect our environment!
Thank you !
Let's to be a greener person!