仁爱科普版九年级上册 Unit 2 Topic 1 Pollution has caused too many problems. Section A 课件 (共19张PPT)

(共19张PPT)
Unit 2 Saving the Earth
Topic 1 Pollution has caused too many problems.
Section A
Review
Bee :n蜜蜂 butterfly: n 蝴蝶
chemical：adj 化学的
Mess：n混乱 factory：n 工厂
Shame：n羞愧
Several：adj几个 若干（few)
Pollute :v 污染 –pollution
Waste：v 浪费 adj 浪费的
Villager：n 村民
Pour…into：v 倒入…..
Welcome to
The West Hill
Two years ago
There were lots of flowers and grass.
We could see bees and butterflies dancing.
bee
butterfly
The West Hill was beautiful
The air was fresh and the water was clean.
Have you ever had a picnic
Kangkang, Jane, Maria and Michael are planning a picnic for Sunday.
They will go to the West Hill.
The flowers and grass have gone!
Oh,What a mess!
Look! There are several chemical factories pouring waste water into the stream.
= have disappeared.
1c Complete the sentences in the table.
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
Let’s talk!
Look at the pictures. Try to describe them.
Two years , it place. There .
The air and the water ,
and you
But now everything . The flowers and grass .The water
and smells . What here
Look, there are several chemical factories
the stream. Oh,
!
ago
was a beautiful
were lots of flowers and grass
was fresh
was clean
could see bees and butterflies dancing
has changed
have gone
is so dirty
pouring waste water into
What a shame
terrible
has happened
What a shame
Language points
What a shame!/what a mess!
You can see bees and butterflies dancing.
There are several factories pouring waste water into the stream.
感叹句
see sb doing 看见某人正在做…
Pour ….into把…倒入
多可惜啊！
一团糟！
see sb do 看见某人做了…
There be…doing sth… ……有……在做某事
e.g. _____ ____ some people _____ (wait) for the bus at the bus stop.
There
are
waiting
There are some chemical factories pouring waste water into the stream
There be…doing sth… ……有……在做某事
There is a boy swimming in the ocean
There are some butterflies
and bees dancing
Present perfect（现在完成时）
花和草都消失了！
这儿发生了什么
一切都变了。
结构：
Have/has +done（动词过去分词）常常与always，
yet, already, never, ever, just, before 搭配
E.g. I have found my pen already.
I haven’t found my pen yet.
I have been to the Great Wall .
He has done his homework.
Has he done his homework
.
The flowers and grass have gone !
What has happened here
Everything has changed.
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。
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!
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…
What have we done
No Clean water to drink
Dirty air
Green house effect
Melting融化 ice
Homeless animals
Save the earth ,
our only home
Thank you