Unit 2 Saving the Earth Topic 1 Section A 课件 (共21张PPT) 仁爱科普版英语九年级上册

(共21张PPT)
Unit 2 Saving the Earth
Topic 1 Pollution has caused too many problems.
Section A
A: Where have you been/traveled
B: I have been/traveled to ...
Have you ever had a picnic
Kangkang, Jane, Maria and Michael are planning a picnic for Sunday.
They will go to the West Hill.
Oh, my goodness. What a mess!
There were several chemical factories pouring waste water into the stream.
Was it beautiful in the past
What happened there
What can you see there
We can see bees and butterflies dancing.
bee
butterfly
Is the West Hill
beautiful now
a place with
beautiful flowers
many hills
green trees
waste water
waste paper
Waste water. 浪费水。
Don’t waste paper. 不要浪费纸。
waste
adj.
v.
There were several chemical
factories pouring waste water
into the stream.有几家化工厂正在往小溪里排放废水。
There be…doing sth…
……有……在做某事
e.g. There are some people waiting for the bus at the bus stop.
倒出；倾泻
pour… into… 把……倒入……
e.g. Pour red wine into the glass.
1b Read 1a and mark the words with P (Past) or N (Now).
____ beautiful ____ butterflies
____ grass ____ factory
____ bees ____ fresh
____ clean ____waste water
P
N
N
P
N
N
N
N
1a View, look and say.
1c Read 1a and complete the sentences in the table. Then retell 1a to your partner.
Two years ago Now
1. It was a _______________.
2. There were several ________________ pouring _______________ into the stream.
1. The air is ________and the water is ___________.
2. You can see __________________ dancing.
3. _____________has changed.
mess
fresh
clean
bees and butterflies
chemical factories
waste water
Everything
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.
lake/fish
factory/
pollute
hill/ trees
farmers/cut down
village/flowers and grass
villagers/destroy
4 Work in groups and talk about pollution in a place you are familiar with. The following sentences may help you.
Oh, my goodness! …ago, it was…
Now, … have/has come back.
What has happened Everything has changed.
3 A. Read the sentences and number the pictures.
5
3
2
1
4
6
1. People ______ ______ ______ trees. Now I have enough leaves to eat.
2. I live in trees. People have stopped ______ ______ trees. So I have more family members.
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 clean 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.
B. Read again and complete the sentences.
have planted more
cutting down
disappeared
worry about food
have seen people’s effort
was too
dirty
单项选择
( ) 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
C
D
A
用所给动词的适当形式填空。
1. When I entered the room, I saw Maria ________ (read) a
Chinese book.
2. What a shame! The flowers and trees in the park _________
(go).
3. Everything _____________ (change) in the past few years.
4. Pandas don’t have enough bamboos ________ (eat) now
because of the pollution.
5. — Where have they been
— They __________ (be) to the Great Wall. They _______
(have) a good time there the day before yesterday.
reading
have gone
has changed
to eat
have been
had
1. Express exclamation:
What a mess! What a shame! Oh, my goodness!
2. Know the differences between Simple Past
and Present perfect.
It was a beautiful place.
Everything has changed.
1. Some words:
bee, butterfly, mess, shame, several, pour, waste,
destroy, pollute, goodness
2. Some phrases:
see sb. doing sth. pour…into..
3. Some sentences:
There are…doing…
Homework
1. Read 1a.
2. Write a passage according to Part 4.
3. Finish Section A in your workbook.
4. Preview Section B.
Thank you.