Unit 2 Topic 1Pollution has causes too many problems Section A课件(共22张PPT，含听力及内嵌视频)仁爱版九年级英语上册

(共22张PPT)
Unit 2 Saving the Earth
Topic 1 Pollution has caused too many problems.
Section A
How do you spend your weekends
watch TV
play games
sleep all day
Kangkang, Jane, Maria and Michael are planning for Sunday.
have a picnic
Where
What can you see in the picture
The flowers and grass have gone!
The water is so dirty.
several chemical factories
pouring waste water into the stream
What can you see in the picture
The air was fresh and the water was clean, and you could see bees and butterflies dancing...
1a Look, listen and say.
____beautiful ____ butterflies ____ grass ____ factory
____ bees ____ fresh ____ clean ____waste water
N
P
Listen to 1a and mark the words with P (Past) or N (Now).
1b
N
N
N
N
N
P
Read 1a and complete the sentences in the table.
1c
mess
fresh
clean
bees and
butterflies
chemical factories
waste water
Everything
(Kangkang, Jane,Maria and Michael are planning a picnic for Sunday.)
Jane and Maria: Kangkang, where shall we go
Kangkang: What about the West Hill
Jane:I went there two years ago. It was a mess.
There were several chemical factories pouring waste water into the stream.
Maria: What a shame!
Kangkang:I have heard it has become a beautiful place.
There are lots of flowers and grass.
Michael: Sounds great! Let's go there.
Read and understand.
There are several chemical factories pouring waste water into the stream.
There be + sth./sb. + doing sth. 有sth./sb. 正在做sth.
There are beautiful butterflies dancing.
There are bees flying.
There are some fish swimming in the stream.
练习：
1. There are some people __________ (pick) apples on the farm.
2. Look! There ______ a man _______ (sit) under the tree.
3. There is much waste gas ________ (pour) from the chemical factory.
4. Look！There is a kite ______ in the sky.
A. fly B. flies C. to fly D. flying
picking
is sitting
pouring
D
(Kangkang, Jane,Maria and Michael are planning a picnic for Sunday.)
Jane and Maria: Kangkang, where shall we go
Kangkang: What about the West Hill
Jane:I went there two years ago. It was a mess.
There were several chemical factories pouring waste water into the stream.
Maria: What a shame!
Kangkang:I have heard it has become a beautiful place.
There are lots of flowers and grass.
Michael: Sounds great! Let's go there.
Read and understand.
pour... into... 向...投入/倒入...
waste： n. 浪费 v. 浪费 adj. 废弃的
waste paper
废纸
waste water
废水
adj. 废弃的
Don’t waste water.
v. 浪费
(Kangkang, Jane,Maria and Michael are planning a picnic for Sunday.)
Jane and Maria: Kangkang, where shall we go
Kangkang: What about the West Hill
Jane:I went there two years ago. It was a mess.
There were several chemical factories pouring waste water into the stream.
Maria: What a shame!
Kangkang:I have heard it has become a beautiful place.
There are lots of flowers and grass.
Michael: Sounds great! Let's go there.
Read and understand.
真遗憾!多可惜!
(On Sunday, they come to the West Hill.)
Kangkang: Oh, what a beautiful place! The air is fresh and the water is clean,
and you can see bees and butterflies dancing
Kangkang: Everything has changed.
Michael: Do you want to have a picnic here
Jane: Of course .
Read and understand.
see
see sb do sth
see sb doing sth
看到sb做了sth (经常性、全过程)
看到sb正在做sth
eg : I often see the birds_________( sing ) in the tree near my home.
Yesterday I saw his car________( hit ) a boy when I walked along the road.
I heard him________( play )the piano when I got home yesterday.
I often heard ________( cry ) at home.
sing
hitting
playing
cry
(On Sunday, they come to the West Hill.)
Kangkang: Oh, what a beautiful place! The air is fresh and the water is clean,
and you can see bees and butterflies dancing
Kangkang: Everything has changed.
Michael: Do you want to have a picnic here
Jane: Of course .
Read and understand.
野餐
How do you feel about these two pictures
mess
beautiful
in the past
now
Everything has changed.
2
Work in pairs. Look at the pictures and make up conversations similar to the example with your partner.
Example:
A: The villagers destroyed the flowers and grass when I
visited the village last year.
B: But now the flowers and grass have come back.
A: What has happened here
B: The villagers have learned that they were wrong. And
they have done a lot to make the village a better place.
village/flowers and grass
villagers/destroy
2
Work in pairs. Look at the pictures and make up conversations similar to the example with your partner.
hill/trees
farmers/cut down
A: The farmers cut down many trees when I visited the hill last year.
B: But now__________________
A: What has happened here
B: _______________________________
the trees have come back.
The farmers have planted many trees on the hill.
2
Work in pairs. Look at the pictures and make up conversations similar to the example with your partner.
A: The factory polluted the lake and lots of fishes died when I visited the city last year.
B: But now________________________
A: What has happened here
B: _______________
there are lots of fishes in the lake.
The factory has gone.
city/lake/fish
factory/pollute
A. Listen to the sentences and number the pictures.
5
3
2
1
4
6
3
Listen again and complete the sentences.
1. People ________________ trees. Now I have enough leaves to eat.
2. I live in trees. People have stopped____________trees.
So I have more family menbers.
3. Leaves and grass___________many years ago.
But now they have come back. I can have enough food.
4. I have found more bamboo on the mountain.
I don’t have to ________________any more.
5. In recent years, I _____________________ to make the sea claen again.
6. I couldn’t live in the river because it___________ for me to live in.
Now it has become clean again, so I am safe.
have planted more
cutting down
disappeared
worry about food
have seen people’s effort
is too dirty
3
Exercises
( ) 1. Look! There are some boys ________ on the playground.
A. play football B. are playing football
C. playing football D. plays football
( ) 2. — I’m sorry I can’t go shopping with you. I am ill.
— ________
A. What a mess! B. What a shame!
C. What a pity! D. B and C
( ) 3. — Don’t ________ water. We must save every drop of it.
— Sorry, I won’t do it again.
A. waste B. throw C. play D. leave
( ) 4. The new factory is waster water into it.
A. throwing B. wounding C. cleaning D. pouring