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(共30張PPT)
（Story time）
Unit6 Keep our city clean
Free talk
How is our city
The sky is_______.
The trees are _______.
The buildings are _______.
The streets are __________________.
The river is _______.
blue
green
clean/long/broad (寬廣的)
tall
clean
Look and say
How was our city 20 years ago
It was messy and dirty.
(又臟又亂)
not clean
messy
We should keep（保持） our city clean!
Better city, better life!
Look and say
The ________ was(were) ___________.
What was dirty
Watch and say
Watch and answer
The ________ was(were) ___________.
air
dirty
river
dirty
streets
messy and dirty
What was dirty
Watch and say
1
What made the air dirty
2
What made _____ _____ messy and dirty
3
What made _____ _____ dirty
Can you ask the similar （相似的）questions
the
streets
the
river
What made the air dirty
1
（煙霧）
Miss Li: Look at these old pictures of our city. Was our city clean
Students: No, it wasn’t.
Miss Li: What made our city dirty
Su Hai: Smoke from cars made the air dirty.
Wang Bing: Black smoke from factories made the air dirty too.
Liu Tao: Rubbish made the streets messy and dirty.
Su Hai: The river was dirty.There was rubbish in the water, and the fish were dead.
Listen and underline
New enegry cars(新能源汽車)
What made the air dirty
1
Smoke from cars and factories made the air dirty.
（煙霧）
Miss Li: Look at these old pictures of our city. Was our city clean
Students: No, it wasn’t.
Miss Li: What made our city dirty
Su Hai: Smoke from cars made the air dirty.
Wang Bing: Black smoke from factories made the air dirty too.
Liu Tao: Rubbish made the streets messy and dirty.
Su Hai: The river was dirty.There was rubbish in the water, and the fish were dead.
factory
What made the streets messy and dirty
2
Miss Li: Look at these old pictures of our city. Was our city clean
Students: No, it wasn’t.
Miss Li: What made our city dirty
Su Hai: Smoke from cars made the air dirty.
Wang Bing: Black smoke from factories made the air dirty too.
Liu Tao: Rubbish made the streets messy and dirty.
Su Hai: The river was dirty.There was rubbish in the water, and the fish were dead.
Is it right
What made the river dirty
3
Miss Li: Look at these old pictures of our city. Was our city clean
Students: No, it wasn’t.
Miss Li: What made our city dirty
Su Hai: Smoke from cars made the air dirty.
Wang Bing: Black smoke from factories made the air dirty too.
Liu Tao: Rubbish made the streets messy and dirty.
Su Hai: The river was dirty.There was rubbish in the water, and the fish were dead.
_________and_________ made the river dirty.
（死的）
Rubbish
dead fish
Listen and repeat
Listen and repeat
air
A: Was the … clean
B: Yes, it was./No, it wasn’t.
A: What made the… dirty/messy
B: … made the… .
Work in pairs
park
river
streets
What can we do to keep our city clean
We can...
What can we do to keep our city clean
take the bus and the metro to school
walk to school
plant more trees
put rubbish in the bin
to keep the ___, the_____ and the ______ clean
to keep the ____ clean
Read and fill
（種植）
air
streets
river
air
What else can we do to keep our city clean
Try to say: We can/ can’t…
Work in groups
eg. We can walk to school.
We can’t litter anywhere.
New ways
plant trees on the Internet
put rubbish in the right bin
Waste Sorting (垃圾分類)
New ways
shared (electric)bikes (共享單車/電瓶車)
New ways
Let’s keep our city clean starting from little things!
Listen and repeat
Listen and repeat
My proposal(倡議書)
Dear friends,
Our city was not very clean 20 years ago.
________made the ________ dirty.
________made the ________ messy and dirty.
But it is clean now.
To keep our city clean,
we can________________.
We can ________________.
We can’t________________.
We love our city.
Let’s keep it clean.
Sign(簽名)________
Make a proposal
Homework
Read and recite the story.
Draw a mind map and share in the next class.

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