(共27张PPT)
Unit 2 Saving the Earth
Topic 1 Pollution has caused too many problems.
Section A
九年级上册 仁爱版
a chemical factory
There is a chemical factory pouring waste water into the river.
Have you ever had a picnic
Kangkang, Jane, Maria and Michael are planning a picnic for Sunday.
They will go to the West Hill.
What can you see there
We can see bees and butterflies dancing.
bee
butterfly
Was the West Hill beautiful
.
cry
play
jump rope
a place with
beautiful flowers
many hills
green trees
The flowers and grass have gone(消失)!
Oh, my goodness. What a mess!
There are several chemical factories pouring waste water into the stream.
= have disappeared.
It isn’t beautiful now.
What has happened there
There are 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 +sb/sth+ doing sth…
有某人或某物正在做某事
e.g. There are some people waiting for the bus at the bus stop.
play with
1b Listen to 1a and mark the words with P (Past) or N (Now).
____ beautiful ____ butterflies ____ dirty
____ grass ____ terrible ____ factory
____ bees ____ fresh ____ clean
____waste water
P
P
N
P
N
N
P
P
P
N
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 _______________________.
3. The air was _______________________ and you could see _______________________. 1. ___________________
have gone.
2. The water is ________and smells ___________.
3. There are several ________________ pouring _______________ into the stream.
4. _____________has changed.
beautiful place
lots of flowers and grass
fresh and the water was clean
bees and butterflies dancing
The flowers and grass
so dirty
terrible
chemical factories
waste water
Everything
A: There were lots of flowers and grass when
Kangkang visited the West Hill two years ago.
B: But now the flowers and grass have gone.
A: What has happened here
B: There are several chemical factories pouring
waste water into the stream.
A: There were lots of flowers and grass
when I visited the village last year.
B: But now the flowers and grass have gone.
A: What has happened here
B: The villagers have destroyed them.
villagers/destroy
village/flowers and grass
hill/trees
farmers/cut down
A: There were many trees when I visited the hill
last year.
B: But now the trees have gone.
A: What has happened here
B: The farmers have cut them down.
lake/fish
factory/pollute
A: There were lots of fish when I visited the
lake last year.
B: But now the fish have gone.
A: What has happened here
B: The factories have polluted the lake.
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
Thank you.